Datasheet

ManualsBrandsTEXAS INSTRUMENTS ManualsPMICsPTH08T240FAD

FOR 3-GHz DSP SYSTEMS

FEATURES

APPLICATIONS

DESCRIPTION

PTH08T240F

www.ti.com

............................................................................................................................................... SLTS277D – DECEMBER 2006 – REVISED MARCH 2009

10-A, 4.5-V to 14-V INPUT, NON-ISOLATED POWER MODULE

• Up to 10-A Output Current • TurboTrans™ Technology

• 4.5-V to 14-V Input Voltage • Designed to meet Ultra-Fast Transient

Requirements for 3-GHz DSP Systems

• Wide-Output Voltage Adjust (0.69 V to 2.0 V)

• 15 mV Output Voltage Deviation

• ± 1.5% Total Output Voltage Variation

= 2000 µ F, Δ I = 3 A)

• Efficiencies up to 93%

• Output Overcurrent Protection

(Nonlatching, Auto-Reset)

• Wireless Infrastructure Base Stations

• Operating Temperature: – 40 ° C to 85 ° C

• Safety Agency Approvals:

– UL/IEC/CSA-C22.2 60950-1

• Prebias Startup

• On/Off Inhibit

• Differential Output Voltage Remote Sense

• Adjustable Undervoltage Lockout

• Auto-Track™ Sequencing

• SmartSync Technology

• POLA™ Compatible

The PTH08T240F is a high-performance 10-A rated, non-isolated power module designed to meet ultra-fast

transient requirements for 3-GHz DSP systems like Texas Instrument ' s TMS320TCI6488. This module is an

addition to the 2nd generation of the popular PTH series power modules which include a reduced footprint and

additional features.

Operating from an input voltage range of 4.5 V to 14 V, the PTH08T240F requires a single resistor to set the

output voltage to any value over the range, 0.69 V to 2.0 V. The output voltage range makes the PTH08T240F

particularly suitable for the 3-GHz DSP ' s core voltage requirements.

The module incorporates a comprehensive list of features. Output over-current and over-temperature shutdown

protects against most load faults. A differential remote sense ensures tight load regulation. An adjustable

under-voltage lockout allows the turn-on voltage threshold to be customized. Auto-Track™sequencing is a

popular feature that greatly simplifies the simultaneous power-up and power-down of multiple modules in a

power system.

Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas

Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.

2 Auto-Track, TurboTrans, TMS320 are trademarks of Texas Instruments.

PRODUCTION DATA information is current as of publication date.

Products conform to specifications per the terms of the Texas

Instruments standard warranty. Production processing does not

necessarily include testing of all parameters.

Summary of content (39 pages)

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PTH08T240F www.ti.com ............................................................................................................................................... SLTS277D – DECEMBER 2006 – REVISED MARCH 2009 10-A, 4.5-V to 14-V INPUT, NON-ISOLATED POWER MODULE FOR 3-GHz DSP SYSTEMS FEATURES 1 • • • • • • 2 • • • • • • • • • Up to 10-A Output Current 4.5-V to 14-V Input Voltage Wide-Output Voltage Adjust (0.69 V to 2.0 V) ±1.
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PTH08T240F SLTS277D – DECEMBER 2006 – REVISED MARCH 2009 ............................................................................................................................................... www.ti.com The PTH08T240F includes new patented technologies, TurboTrans™ and SmartSync. The TurboTrans feature optimizes the transient response of the regulator while simultaneously reducing the quantity of external output capacitors required to meet a target voltage deviation specification.
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PTH08T240F www.ti.com ............................................................................................................................................... SLTS277D – DECEMBER 2006 – REVISED MARCH 2009 These devices have limited built-in ESD protection. The leads should be shorted together or the device placed in conductive foam during storage or handling to prevent electrostatic damage to the MOS gates.
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PTH08T240F SLTS277D – DECEMBER 2006 – REVISED MARCH 2009 ............................................................................................................................................... www.ti.com ORDERING INFORMATION For the most current package and ordering information, see the Package Option Addendum at the end of this datasheet, or see the TI website at www.ti.com.
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PTH08T240F www.ti.com ............................................................................................................................................... SLTS277D – DECEMBER 2006 – REVISED MARCH 2009 ELECTRICAL CHARACTERISTICS PTH08T240F TA = 25°C, VI = 5 V, VO = 1.
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PTH08T240F SLTS277D – DECEMBER 2006 – REVISED MARCH 2009 ............................................................................................................................................... www.ti.com TERMINAL FUNCTIONS TERMINAL NAME NO. DESCRIPTION VI 2 The positive input voltage power node to the module, which is referenced to common GND. VO 5 The regulated positive power output with respect to GND.
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PTH08T240F www.ti.com ............................................................................................................................................... SLTS277D – DECEMBER 2006 – REVISED MARCH 2009 TYPICAL CHARACTERISTICS (1) (2) CHARACTERISTIC DATA (VI = 5 V) EFFICIENCY vs LOAD CURRENT OUTPUT RIPPLE vs LOAD CURRENT 2.5 12 100 85 1.1 V 75 0.9 V 70 65 VO(V) 60 2.0 1.1 0.9 55 10 2.0 1.
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PTH08T240F SLTS277D – DECEMBER 2006 – REVISED MARCH 2009 ............................................................................................................................................... www.ti.com TYPICAL CHARACTERISTICS (1) (2) CHARACTERISTIC DATA (VI = 8 V) EFFICIENCY vs LOAD CURRENT OUTPUT RIPPLE vs LOAD CURRENT 10 100 3.0 VI = 8 V VI = 8 V VO – Output Voltage Ripple – VPP(mV) 2.0 V 90 85 80 0.9 V 75 1.1 V 70 65 VO(V) 60 2.0 1.1 0.9 55 VI = 8 V 2.5 8 2.
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PTH08T240F www.ti.com ............................................................................................................................................... SLTS277D – DECEMBER 2006 – REVISED MARCH 2009 TYPICAL CHARACTERISTICS (1) (2) (3) CHARACTERISTIC DATA (VI = 12 V) EFFICIENCY vs OUTPUT CURRENT OUTPUT RIPPLE vs OUTPUT CURRENT 100 3.0 16 VI = 12 V 2.0 V 90 85 80 1.1 V 75 0.9 V 70 65 VO(V) 60 2.0 1.1 0.9 55 VI = 12 V 14 2.
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PTH08T240F SLTS277D – DECEMBER 2006 – REVISED MARCH 2009 ............................................................................................................................................... www.ti.com APPLICATION INFORMATION ADJUSTING THE OUTPUT VOLTAGE The VOAdjust control (pin 8) sets the output voltage of the PTH08T240F. The adjustment range is 0.69 V to 2.0 V.
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PTH08T240F www.ti.com ............................................................................................................................................... SLTS277D – DECEMBER 2006 – REVISED MARCH 2009 Table 2. Output Voltage Set-Point Resistor Values (Standard Values) VO Required (V) (1) RSET (kΩ) 0.70 (1) 681 0.75 (1) 113 0.80 (1) 61.9 0.85 (1) 41.2 0.90 (1) 31.6 0.95 (1) 24.9 1.00 (1) 20.5 1.05 (1) 17.8 1.10 (1) 15.4 1.15 (1) 13.3 1.20 (1) 12.1 1.25 (1) 10.
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PTH08T240F SLTS277D – DECEMBER 2006 – REVISED MARCH 2009 ............................................................................................................................................... www.ti.com CAPACITOR RECOMMENDATIONS FOR THE PTH08T240F POWER MODULE Capacitor Technologies Electrolytic Capacitors When using electrolytic capacitors, high quality, computer-grade electrolytic capacitors are recommended.
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PTH08T240F www.ti.com ............................................................................................................................................... SLTS277D – DECEMBER 2006 – REVISED MARCH 2009 Output Capacitor (Required) The PTH08T240F requires a minimum output capacitance of 1000 µF of aluminum, polymer-aluminum, tantulum, or polymer-tantalum type. The required capacitance above the minimum is determined by actual transient deviation requirements.
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PTH08T240F SLTS277D – DECEMBER 2006 – REVISED MARCH 2009 ............................................................................................................................................... www.ti.com Table 3.
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PTH08T240F www.ti.com ............................................................................................................................................... SLTS277D – DECEMBER 2006 – REVISED MARCH 2009 Table 3.
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PTH08T240F SLTS277D – DECEMBER 2006 – REVISED MARCH 2009 ............................................................................................................................................... www.ti.com TurboTrans™ Technology TurboTrans technology is a feature introduced in the T2 generation of the PTH/PTV family of power modules. TurboTrans optimizes the transient response of the regulator with added external capacitance using a single external resistor.
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PTH08T240F www.ti.com ............................................................................................................................................... SLTS277D – DECEMBER 2006 – REVISED MARCH 2009 PTH08T240F Type B Capacitors 5-V Input 10 9 8 7 6 6 5 5 C - Capacitance - mF C - Capacitance - mF Figure 14. Capacitor Type B, 1000 < C(µF)×ESR(mΩ) ≤ 5000 (e.g. Polymer-Tantalum) Figure 15. Capacitor Type B, 1000 < C(µF)×ESR(mΩ) ≤ 5000 (e.g.
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PTH08T240F SLTS277D – DECEMBER 2006 – REVISED MARCH 2009 ............................................................................................................................................... www.ti.com PTH08T240F Type B Capacitors (12-V) 12-V INPUT; VO < (VI ÷ 11) 10 9 8 7 6 6 5 5 C - Capacitance - mF C - Capacitance - mF Figure 16. (VO ≥ VI ÷ 11) Capacitor Type B Figure 17.
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PTH08T240F www.ti.com ............................................................................................................................................... SLTS277D – DECEMBER 2006 – REVISED MARCH 2009 PTH08T240F Type C Capacitors 5-V Input 10 9 8 7 6 6 5 5 C - Capacitance - mF C - Capacitance - mF Figure 18. Capacitor Type C, 5000 < C(µF)×ESR(mΩ) ≤ 10,000 (e.g. OS-CON) Figure 19. Capacitor Type C, 5000 < C(µF)×ESR(mΩ) ≤ 10,000 (e.g.
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PTH08T240F SLTS277D – DECEMBER 2006 – REVISED MARCH 2009 ............................................................................................................................................... www.ti.com PTH08T240F Type C Capacitors (12-V) 12-V INPUT; VO < (VI ÷ 11) 10 9 8 7 6 6 5 5 C - Capacitance - mF C - Capacitance - mF Figure 20. VO ≥ (VI ÷ 11) Capacitor Type C Figure 21.
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PTH08T240F www.ti.com ............................................................................................................................................... SLTS277D – DECEMBER 2006 – REVISED MARCH 2009 Application Diagram and Waveforms TurboTrans VI 1 Track SmartSync 2 VI TT +Sense 3 CI 220 mF 22 mF 4 +Sense VO VO -Sense GND 6 5 PTH08T240F 11 INH/UVLO + RTT 24.3 kW 9 10 7 VOAdj + 8 RSET 1% 0.05 W L O A D CO 2000 mF Type B -Sense GND GND UDG-07126 Figure 22.
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PTH08T240F SLTS277D – DECEMBER 2006 – REVISED MARCH 2009 ............................................................................................................................................... www.ti.com UNDERVOLTAGE LOCKOUT (UVLO) The PTH08T240F power modules incorporate an input undervoltage lockout (UVLO). The UVLO feature prevents the operation of the module until there is sufficient input voltage to produce a valid output voltage.
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PTH08T240F www.ti.com ............................................................................................................................................... SLTS277D – DECEMBER 2006 – REVISED MARCH 2009 Soft-Start Power Up The Auto-Track feature allows the power-up of multiple PTH/PTV modules to be directly controlled from the Track pin.
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PTH08T240F SLTS277D – DECEMBER 2006 – REVISED MARCH 2009 ............................................................................................................................................... www.ti.com On/Off Inhibit For applications requiring output voltage on/off control, the PTH08T240F incorporates an Inhibit control pin. The inhibit feature can be used wherever there is a requirement for the output voltage from the regulator to be turned off.
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PTH08T240F www.ti.com ............................................................................................................................................... SLTS277D – DECEMBER 2006 – REVISED MARCH 2009 Overcurrent Protection For protection against load faults, all modules incorporate output overcurrent protection. Applying a load that exceeds the regulator's overcurrent threshold causes the regulated output to shut down.
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PTH08T240F SLTS277D – DECEMBER 2006 – REVISED MARCH 2009 ............................................................................................................................................... www.ti.com Smart Sync Smart Sync is a feature that allows multiple power modules to be synchronized to a common frequency. Driving the Smart Sync pins with an external oscillator set to the desired frequency, synchronizes all connected modules to the selected frequency.
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PTH08T240F www.ti.com ............................................................................................................................................... SLTS277D – DECEMBER 2006 – REVISED MARCH 2009 To achieve the output voltage ripple specified in the electrical characteristics table, the maximum input voltage for a given output voltage is limited. The input voltage to output voltage ratio limit is 11 to 1 for the PTH08T240F.
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PTH08T240F SLTS277D – DECEMBER 2006 – REVISED MARCH 2009 ............................................................................................................................................... www.ti.com When under Auto-Track control, the regulated output from the module follows the voltage at its Track pin on a volt-for-volt basis. By connecting the Track pin of a number of these modules together, the output voltages follow a common signal during power up and power down.
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PTH08T240F www.ti.com ............................................................................................................................................... SLTS277D – DECEMBER 2006 – REVISED MARCH 2009 RTT1 VI 12 V AutoTrack TurboTrans VI SmartSync 8 VCC 7 2 3 CT -Sense Inhibit/UVLO U3 TL7712A REF RESET VO1 3.3 V + CI 1 5 RESIN 1 VO U1 PTH08T240W + SENSE RESET +Sense CO1 VOAdj GND RRESET 10 kW RSET1 6 1.62 kW GND GND 4 CREF 0.1 mF CT 2.
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PTH08T240F SLTS277D – DECEMBER 2006 – REVISED MARCH 2009 ............................................................................................................................................... www.ti.com Prebias Startup Capability A prebias startup condition occurs as a result of an external voltage being present at the output of a power module prior to its output becoming active.
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PTH08T240F www.ti.com ............................................................................................................................................... SLTS277D – DECEMBER 2006 – REVISED MARCH 2009 VIN (1 V/div) VO (1 V/div) IO (2 A/div) t - Time - 4 ms/div Figure 35.
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PTH08T240F SLTS277D – DECEMBER 2006 – REVISED MARCH 2009 ............................................................................................................................................... www.ti.
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PTH08T240F www.ti.com ...............................................................................................................................................
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PACKAGE OPTION ADDENDUM www.ti.
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PACKAGE OPTION ADDENDUM www.ti.
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IMPORTANT NOTICE Texas Instruments Incorporated and its subsidiaries (TI) reserve the right to make corrections, modifications, enhancements, improvements, and other changes to its products and services at any time and to discontinue any product or service without notice. Customers should obtain the latest relevant information before placing orders and should verify that such information is current and complete.