Datasheet

ManualsBrandsDELTA ELECTRONICS ManualsPSU ComponentsDC/DC converter (SMD) 0.75 Vdc, 3.63 Vdc 3 A 10 W No. of outputs: 1 x

DATASHEET

DS_DNT04SIP03_03292013

FEATURES

 High Efficiency: 94%@ 5Vin, 3.3V/3A out

 Small size and low profile:

0.80” x 0.45” x 0.27” (SMD)

0.90” x 0.40” x 0.25” (SIP)

 Standard footprint and pinout

 Resistor-based trim

 Output voltage programmable from

0.75V to 3.63V via external resistors

 Pre-bias startup

 No minimum load required

 Fixed frequency operation

 Input UVLO, OCP

 Remote ON/OFF

 ISO 9001, TL 9000, ISO 14001, QS 9000,

OHSAS 18001 certified manufacturing

facility

 UL/cUL 60950 (US & Canada) Recognized,

APPLICATIONS

 Telecom/DataCom

 Distributed power architectures

 Servers and workstations

 LAN/WAN applications

 Data processing applications

OPTIONS

 Positive On/Off logic

 SMD or SIP package

Delphi DNT04, Non-Isolated Point of Load

DC/DC Power Modules: 2.4~5.5Vin, 0.75~3.63Vo, 3A out

The Delphi Series DNT04, 2.4-5.5V input, single output,

non-isolated Point of Load DC/DC converters are the latest offering

from a world leader in power systems technology and manufacturing —

Delta Electronics, Inc. The DNT04 series provides a programmable

output voltage from 0.75V to 3.63V via external resistors. This product

family is available in surface mount or SIP package and provides up to

3A of output current in an industry standard footprint. With creative

design technology and optimization of component placement, these

converters possess outstanding electrical and thermal performance, as

well as extremely high reliability under highly stressful operating

conditions.

The DNT04, 3A modules have excellent thermal

performance and can provide full output current at up to 85℃ ambient

temperature with no airflow.

Summary of content (13 pages)

PAGE 1
FEATURES High Efficiency: 94%@ 5Vin, 3.3V/3A out Small size and low profile: 0.80” x 0.45” x 0.27” (SMD) 0.90” x 0.40” x 0.25” (SIP) Standard footprint and pinout Resistor-based trim Output voltage programmable from 0.75V to 3.
PAGE 2
TECHNICAL SPECIFICATIONS (TA = 25°C, airflow rate = 300 LFM, Vin = 2.4Vdc and 5.5Vdc, nominal Vout unless otherwise noted.) PARAMETER NOTES and CONDITIONS DNT04S0A0R03NFA Min.
PAGE 3
ELECTRICAL CHARACTERISTICS CURVES Figure 1: Converter efficiency vs. output current (5Vin/3.3Vout) Figure 2: Converter efficiency vs. output current (5Vin/2.5Vout) Figure 3: Converter efficiency vs. output current (5Vin/1.8Vout) Figure 4: Converter efficiency vs. output current (5Vin/1.5Vout) Figure 5: Converter efficiency vs. output current (5Vin/1.2Vout) DS_DNT04SIP3A_03292013 Figure 6: Converter efficiency vs. output current (5Vin/0.
PAGE 4
ELECTRICAL CHARACTERISTICS CURVES (CON.) Figure 7: Output ripple & noise at 5Vin, 3.3V/3A out, 50mV/div Figure 8: Output ripple & noise at 5Vin, 2.5V/3A out, 50mV/div Figure 9: Output ripple & noise at 5Vin, 1.8V/3A out, 50mV/div Figure 10: Output ripple & noise at 5Vin, 1.5V/3A out, 50mV/div Figure 11: Output ripple & noise at 5Vin, 1.2V/3A out, 50mV/div Figure 12: Output ripple & noise at 5Vin, 0.
PAGE 5
ELECTRICAL CHARACTERISTICS CURVES (CON.) Figure 13: Turn on delay time at 5Vin, 3.3V/3A out Top: Vout, 2V/div, Bottom: Vin, 5V/div; 2mS/div Figure 14: Turn on delay time at 5Vin, 2.5V/3A out Figure 15: Turn on delay time at 5Vin, 1.8V/3A out Figure 16: Turn on delay time at 5Vin, 1.5V/3A out Top: Vout, 1V/div, Bottom: Vin, 5V/div; 2mS/div Figure 17: Turn on delay time at 5Vin, 1.
PAGE 6
ELECTRICAL CHARACTERISTICS CURVES Figure 19: Typical transient response to step load change at 2.5A/µS from 100% to 50% of Io, max at 5Vin, 3.3Vout (Cout = 1uF ceramic, 10µF tantalum), 0.1V/div Figure 20: Typical transient response to step load change at 2.5A/µS from 50% to 100% of Io, max at 5Vin, 3.3Vout (Cout =1uF ceramic, 10µF tantalum), 0.1V/div Vbias=1V Figure 21: Output short circuit current 5Vin, 0.75Vout 20A/div, 10mS/div DS_DNT04SIP3A_03292013 Figure 22:Turn on with Prebias 5Vin, 3.
PAGE 7
DESIGN CONSIDERATIONS TEST CONFIGURATIONS Input Source Impedance TO OSCILLOSCOPE L VI(+) 2 100uF Tantalum BATTERY VI(-) Note: Input reflected-ripple current is measured with a simulated source inductance. Current is measured at the input of the module. Safety Considerations For safety-agency approval the power module must be installed in compliance with the spacing and separation requirements of the end-use safety agency standards.
PAGE 8
FEATURES DESCRIPTIONS FEATURES DESCRIPTIONS (CON.) Remote On/Off Output Voltage Programming The DNT series power modules have an On/Off pin for remote On/Off operation. Both positive and negative On/Off logic options are available in the DNT series power modules. The output voltage of the DNT can be programmed to any voltage between 0.75Vdc and 3.63Vdc by connecting one resistor (shown as Rtrim in Figure 28) between the TRIM and GND pins of the module.
PAGE 9
FEATURE DESCRIPTIONS (CON.) Vo Vtrim RLoad TRIM GND + _ Figure 29: Circuit Configuration for programming output voltage using external voltage source The amount of power delivered by the module is the voltage at the output terminals multiplied by the output current. When using the trim feature, the output voltage of the module can be increased, which at the same output current would increase the power output of the module.
PAGE 10
THERMAL CONSIDERATIONS THERMAL CURVES Thermal management is an important part of the system design. To ensure proper, reliable operation, sufficient cooling of the power module is needed over the entire temperature range of the module. Convection cooling is usually the dominant mode of heat transfer. Hence, the choice of equipment to characterize the thermal performance of the power module is a wind tunnel.
PAGE 11
PICK AND PLACE LOCATION SURFACE- MOUNT TAPE & REEL LEAD (Sn/Pb) PROCESS RECOMMEND TEMP. PROFILE Temperature (°C ) 250 200 150 Ramp-up temp. 0.5~3.0°C /sec. Peak temp. 2nd Ramp-up temp. 1.0~3.0°C /sec. 210~230°C 5sec. Pre-heat temp. 140~180°C 60~120 sec. Cooling down rate <3°C /sec. 100 Over 200°C 40~50sec. 50 0 60 120 Time ( sec. ) 180 240 300 LEAD FREE (SAC) PROCESS RECOMMEND TEMP. PROFILE Temp. Peak Temp. 240 ~ 245 ℃ 220℃ Ramp down max. 4℃ /sec. 200℃ 150℃ Preheat time 90~120 sec.
PAGE 12
MECHANICAL DRAWING SMD PACKAGE (OPTIONAL) SIP PACKAGE Note: All pins are copper alloy with matte tin(Pb free) plated over Nickel under-plating.
PAGE 13
PART NUMBERING SYSTEM DNT 04 S 0A0 R 03 N Product Series Input Voltage Numbers of Outputs Output Voltage Package Type Output Current On/Off logic DNT- 3A/5A 04 - 2.4V~5.5V S - Single 0A0 Programmable R - SIP 03 - 3A S- SMD F A Option Code N- negative F- RoHS 6/6 (Default) (Lead Free) A - Standard Function P- positive MODEL LIST Model Name Package Input Voltage Output Voltage Efficiency Output Current 5Vin, 3.3Vdc full load DNT04S0A0S03NFA SMD 2.4V ~ 5.5Vdc 0.75V ~ 3.