Product Summary

The MIC4576BT is a 200kHz Simple 3A Buck Regulator. The MIC4576BT duplicates the pinout and function of the 52kHz LM2576. The higher switching frequency may allow up to a 2:1 reduction in output filter inductor size.The MIC4576BT applications are: (1)Simple high-efficiency step-down (buck)regulator; (2)Efficient preregulator for linear regulators; (3)On-card switching regulators; (4)Positive-to-negative converter (inverting buck-boost); (5)Battery Charger; (6)Negative boost converter.

Parametrics

MIC4576BT absolute maximum ratings: (1)Supply Voltage (VIN): +40V; (2)Shutdown Voltage (VSHDN): －0.3V to +36V; (3)Output Switch (VSW), Steady State : －1V; (4)Feedback Voltage (VFB)[Adjustable] : +3.8V; (5)Storage Temperature : －65℃ to +150℃.

Features

MIC4576BT features: (1)Guaranteed 3A switch current; (2)Wide 4V to 36V input voltage range; (3)Wide 1.23V to 33V output voltage range; (4)Requires minimum external components; (5)< 200uA typical shutdown mode; (6)75% efficiency (adjustable version > 75% typical); (7)Standard inductors are 25% of typical LM2576 values; (8)Thermal shutdown; (9)Overcurrent protection; (10)100% electrical thermal limit burn-in.

Diagrams

MIC4576BT pin connection

Image Part No Mfg Description Data Sheet Download Pricing
(USD)		 Quantity
MIC4576BT
MIC4576BT

IC REG BUCK ADJ 3A TO220-5
Data Sheet
Negotiable 
MIC4576BT_1137808
MIC4576BT_1137808
Other

Data Sheet
Negotiable