Datasheet

ManualsBrandsMicrochip ManualsDriversNon-Inverting Low Side MOSFET Driver 1.2A SOT-143

 2018 Microchip Technology Inc. DS20006077A-page 1

MIC4416/7

Features

• +4.5V to +18V Operation

• Low Steady-State Supply Current

-50μA Typical, Control Input Low

- 370 μA Typical, Control Input High

• 1.2A Nominal Peak Output

-3.5Ω Typical Output Resistance at 18V

Supply

-7.8Ω Typical Output Resistance at 5V Supply

• 25 mV Maximum Output Offset from Supply or

Ground

• Operates in Low-Side Switch Circuits

• TTL-Compatible Input Withstands –20V

• ESD Protection

• Inverting and Non-Inverting Versions

Applications

• Battery Conservation

• Solenoid and Motion Control

• Lamp Control

• Switch-Mode Power Supplies

General Description

The MIC4416 and MIC4417 IttyBitty low-side MOSFET

drivers are designed to switch an N-channel

enhancement-type MOSFET from a TTL-compatible

control signal in low-side switch applications. The

MIC4416 is non-inverting and the MIC4417 is inverting.

These drivers feature short delays and high peak

current to produce precise edges and rapid rise and fall

times. Their tiny 4-lead SOT-143 package uses

minimal space.

The MIC4416/7 are powered from a +4.5V to +18

supply voltage. The on-state drive output voltage is

approximately equal to the supply voltage (no internal

regulators or clamps). High supply voltages, such as

10V, are appropriate for use with standard N-channel

MOSFETs. Low supply voltages, such as 5V, are

appropriate for use with logic-level N-channel

MOSFETs.

In a low-side configuration, the drive can control a

MOSFET that switches any voltage up to the rating of

the MOSFET. The MIC4416/7 are available in the

SOT-143 package and are rated for the –40°C to

+85°C ambient temperature range.

Package Type

MIC4416/7

4-Lead SOT-143 (M4)

(Top View)

GND

CTLVS

Dxx

Part

Identification

IttyBitty Low-Side MOSFET Driver

Summary of content (22 pages)

PAGE 1
MIC4416/7 IttyBitty Low-Side MOSFET Driver Features General Description • +4.5V to +18V Operation • Low Steady-State Supply Current - 50 μA Typical, Control Input Low - 370 μA Typical, Control Input High • 1.2A Nominal Peak Output - 3.5Ω Typical Output Resistance at 18V Supply - 7.
PAGE 2
MIC4416/7 Typical Application Circuit Load Voltage† * Siliconix 30m: , 7A max. † Load voltage limited only by MOSFET drain-to-source rating Load +12V 4.7μF MIC4416 0.1μF 3 4 On Off VS G C T L GND 2 1 Si9410DY* N-channel MOSFET Functional Block Diagram VS U P P L Y VS W I T C H E D VS D1 CTL Logic-Level Input DS20006077A-page 2 Q2 D4 Load 0.6mA 0.3mA MIC4417 INVERTING Q3 R1 Nȍ G Q1 D2 D3 35V D5 MIC4416 NON-INVERTING Q4 GND  2018 Microchip Technology Inc.
PAGE 3
MIC4416/7 1.0 ELECTRICAL CHARACTERISTICS Absolute Maximum Ratings † Supply Voltage (VS) ..................................................................................................................................................+20V Control Voltage (VCTL) ................................................................................................................................ –20V to +20V Gate Voltage (VG) ........................................................................................
PAGE 4
MIC4416/7 ELECTRICAL CHARACTERISTICS Electrical Characteristics: Typical values at TA = +25°C. Minimum and maximum values indicate performance at –40°C ≤ TA ≤ +85°C. Parts production tested at +25°C. Devices are ESD protected, however handling precautions are recommended. Note 1 Parameter Supply Current Sym. IS Control Input Voltage VCTL Control Input Current ICTL Delay Time, VCTL Rising tD Delay Time, VCTL Falling tD Output Rise Time tr Output Fall Time tf Gate Output Offset Voltage Min.
PAGE 5
MIC4416/7 TEMPERATURE SPECIFICATIONS Parameters Sym. Min. Typ. Max. Units Conditions Junction Temperature Range TJ –40 — +125 °C — Ambient Storage Temperature TS –65 — +150 °C — JA — 60 — °C/W — Temperature Ranges Package Thermal Resistances Thermal Resistance, 3x3 DFN 12-Ld Note 1: The maximum allowable power dissipation is a function of ambient temperature, the maximum allowable junction temperature and the thermal resistance from junction to air (i.e., TA, TJ, JA).
PAGE 6
MIC4416/7 2.0 TYPICAL PERFORMANCE CURVES The graphs and tables provided following this note are a statistical summary based on a limited number of samples and are provided for informational purposes only. The performance characteristics listed herein are not tested or guaranteed. In some graphs or tables, the data presented may be outside the specified operating range (e.g., outside specified power supply range) and therefore outside the warranted range.
PAGE 7
MIC4416/7 60 10 V SUPPLY = 18V fCTL = 50kHz 50 TIME (ns) TIME (μs) V CTL RISE 40 1 FALL RISE 0.1 30 20 V CTL FALL 10 0.01 1 10 CAPACITANCE (nF) V SUPPLY = 18V 0 -60 -30 0 30 60 90 120 150 TEMPERATURE (°C) 100 FIGURE 2-7: Output Rise and Fall Time vs. Load Capacitance. FIGURE 2-10: Temperature. 60 50 50 40 Delay Time vs. fCTL = 1MHz V CTL RISE TIME (ns) TIME (ns) 40 30 20 V CTL FALL 10 0 FIGURE 2-8: Voltage.
PAGE 8
MIC4416/7 600 50 V SUPPLY = 18V fCTL = 1MHz 500 HYSTERESIS (mV) TIME (ns) 40 30 FALL 20 RISE 10 0 -60 -30 FIGURE 2-13: Temperature. 200 0 0 30 60 90 120 150 TEMPERATURE (°C) Rise and Fall Time vs. 0 FIGURE 2-16: Supply Voltage. 3 6 9 12 15 SUPPLY VOLTAGE (V) 18 Control Input Hysteresis vs.
PAGE 9
MIC4416/7 800 2.0 V SUPPLY = 18V 400 5V CURRENT (A) HYSTERESIS (mV) 600 2.5 200 FIGURE 2-19: Temperature. 0 0 30 60 90 120 150 TEMPERATURE (°C) Control Input Hysteresis vs. 10 8 6 4 V SUPPLY = 18V I OUT ≈ 3mA 2 FIGURE 2-20: vs. Temperature. SUPPLY CURRENT (mA) ON-RESISTANCE (Ω) 3 6 9 12 15 SUPPLY VOLTAGE (V) 18 V SUPPLY = 5V V SUPPLY = 5V I OUT ≈ 3mA 0 -60 -30 Output Source Resistance C L = 10,000pF 10 5,000pF 2,000pF 1,000pF 1 0pF 0.
PAGE 10
MIC4416/7 3.0 PIN DESCRIPTIONS The descriptions of the pins are listed in Table 3-1. TABLE 3-1: PIN FUNCTION TABLE Pin Number Pin Name 1 GND Description Ground. Power return. 2 G Gate (output): Gate connection to external MOSFET. 3 VS Supply (input): +4.5V to +18V supply. CTL Control (input): TTL-compatible on/off control input. MIC4416 only: Logic high forces the gate output to the supply voltage. Logic low forces the gate output to ground.
PAGE 11
MIC4416/7 4.0 FUNCTIONAL DESCRIPTION Refer to the Functional Block Diagram. The MIC4416 is a non-inverting driver. A logic high on the CTL (control) input produces gate drive output. The MIC4417 is an inverting driver. A logic low on the CTL (control) input produces gate drive output. The G (gate) output is used to turn on an external N-channel MOSFET. 4.1 4.6 ESD Protection D1 protects VS from negative ESD voltages. D2 and D3 clamp positive and negative ESD voltages applied to CTL.
PAGE 12
MIC4416/7 The MIC4416/7 is designed to provide high peak current for charging and discharging capacitive loads. The 1.2A peak value is a nominal value determined under specific conditions. This nominal value is used to compare its relative size to other low-side MOSFET drivers. The MIC4416/7 is not designed to directly switch 1.2A continuous loads. 5.1 Supply Bypass 5.3 MOSFET Selection 5.3.1 The MIC4416/7’s on-state output is approximately equal to the supply voltage.
PAGE 13
MIC4416/7 At low voltages, the MIC4416/7’s internal P- and N-channel MOSFET’s on-resistance will increase and slow the output rise time. Refer to the Typical Performance Curves graphs. 5.4 Supply current is a function of supply voltage, switching frequency, and load capacitance. Determine this value from Figure 2-23 and Figure 2-24 or measure it in the actual application. Do not allow PD to exceed PD(MAX).
PAGE 14
MIC4416/7 +5V Slower rise time observed at MOSFET’s drain Compare 47 : , 5W to 1k : , 1/4W loads +4.5V to 18V 4.7μF MIC4416 0.1μF 3 Logic Input 4 VS CTL D G GND 2 1 G S Logic-Level MOSFET IRL3103* * International Rectifier 14m: , 30V MOSFET, logic-level, VG S = –20V max. FIGURE 5-5: MOSFET Capacitance Effect at High Switching Frequency. When the MOSFET is driven off, the slower rise occurs because the MOSFET’s output capacitance recharges through the load resistance (RC circuit).
PAGE 15
MIC4416/7 6.0 PACKAGING INFORMATION 6.1 Package Marking Information Legend: XX...X Y YY WW NNN e3 * 4-Lead SOT-143* Example XXX NNN D10 287 Product code or customer-specific information Year code (last digit of calendar year) Year code (last 2 digits of calendar year) Week code (week of January 1 is week ‘01’) Alphanumeric traceability code Pb-free JEDEC® designator for Matte Tin (Sn) This package is Pb-free. The Pb-free JEDEC designator ( e3 ) can be found on the outer packaging for this package.
PAGE 16
MIC4416/7 4-Lead SOT-143 Package Outline & Recommended Land Pattern Note: For the most current package drawings, please see the Microchip Packaging Specification located at http://www.microchip.com/packaging. DS20006077A-page 16  2018 Microchip Technology Inc.
PAGE 17
MIC4416/7 APPENDIX A: REVISION HISTORY Revision A (October 2018) • Converted Micrel document MIC4416/7 to Microchip data sheet template DS20006077A. • Minor grammatical text changes throughout.  2018 Microchip Technology Inc.
PAGE 18
MIC4416/7 NOTES: DS20006077A-page 18  2018 Microchip Technology Inc.
PAGE 19
MIC4416/7 PRODUCT IDENTIFICATION SYSTEM To order or obtain information, e.g., on pricing or delivery, contact your local Microchip representative or sales office. Examples: Device X XX -XX Part No. Junction Temp.
PAGE 20
MIC4416/7 NOTES: DS20006077A-page 20  2018 Microchip Technology Inc.
PAGE 21
Note the following details of the code protection feature on Microchip devices: • Microchip products meet the specification contained in their particular Microchip Data Sheet. • Microchip believes that its family of products is one of the most secure families of its kind on the market today, when used in the intended manner and under normal conditions. • There are dishonest and possibly illegal methods used to breach the code protection feature.
PAGE 22
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