The MIC4604 is an 85 V Half Bridge MOSFET gate driver. The MIC4604 features fast 39 ns propagation delay times and 20 ns driver rise/fall times for a 1 nF capacitive load. The low-side and high-side gate drivers are independently controlled. The MIC4604 has TTL input thresholds. It includes a high-voltage internal diode that helps charge the high-side gate drive bootstrap capacitor. A robust, high-speed, and low-power level shifter provides clean level transitions to the high-side output. The robust operation of the MIC4604 ensures that the outputs are not affected by supply glitches, HS ringing below ground, or HS slewing with high-speed voltage transitions. Under voltage protection is provided on both the low-side and high-side drivers. The MIC4604 is available in an 8-pin SOIC package and a tiny 10-pin 2.5 × 2.5 mm TDFN package. Both packages have an operating junction temperature range of -40°C to +125°C.
|5.5 V to 16 V gate drive supply voltage range|
|Drives high-side and low-side N-Channel MOSFETs with independent inputs|
|TTL input thresholds|
|On chip bootstrap diode|
|Fast 39 ns propagation times|
|Drives 1,000 pF load with 20 ns rise and fall times|
|Low power consumption|
|Supplies undervoltage protection|
|–40°C to +125°C junction temperature range|
|MOSFET Driver Type||Synchronous|
|Driver Type||Half Bridge Driver|
|Peak Output Current (source, A)||1|
|Peak Output Current (sink, A)||1|
|Output Resistance (source, Ω)||4.4|
|Output Resistance (sink, Ω)||4|
|Propagation Delay tD1 (ns)||33|
|Propagation Delay tD2 (ns)||34|
|Maximum Supply Voltage (V)||16|
|Rise/Fall Time (tR/tF, ns)||20 / 20|
|Capacitive Load Drive||1,000 pF in 31 ns|
|Features||Small 2.5 x 2.5mm DFN|
|MIC4604 Data Sheet|
|Micrel AN 15 - Practical Switching Regulator Circuits - Practical Switching Regulator Circuits|
|Device Weight (g)||0.075|
|Shipping Weight (kg)||0.25|
|Package Width or Size||3.90mm(.150in)|
|MOSFET DRVR 1.5A Dual Hi/Lo Side Non-Inv 10-Pin TQFN T/R | Avnet America|
|IC, MOSFET DRIVER, HALF BRIDGE, SOIC-8 | Farnell|
|Mosfet Driver, -40 To 125Deg C | Newark Electronics|
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Yes. This part has been flagged as RoHS Compliant by Microchip Technology.
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