MIC4576 Datasheet, PDF (4/7 Pages) Micrel Semiconductor – 200kHz Simple 3A Buck Voltage Regulator

MIC4576
Parameter
MIC4576 / -3.3 / -5.0
Oscillator Frequency
Saturation Voltage
Condition
I_OUT = 3A
Current Limit
peak current, t_ON ≤ 3µs; V_FB = 0V
Standby Quiescent Current
SHDN Input Logic Level
V_SHDN = 5V (regulator off), V_FB = 0V
V_OUT = 0V (regulator off)
V_OUT = 3.3V or 5V (regulator on)
SHDN Input Current
V_SHDN = 5V (regulator off)
V_SHDN = 0V (regulator on)
General Note: Devices are ESD protected, however, handling precautions are recommended.
Note 1: V_OUT = 5V
Micrel
Min Typ Max Units
180 200 220 kHz
1.7
2.3
V
2.5
V
4.2
5.2
6.9
A
3.5
7.5
A
50
200
µA
2.2
1.4
V
2.4
V
1.2
1.0
V
0.8
V
4
30
µA
–10 0.01 10
µA
April 1998•
4-131
MIC4576