MIC5254_07 Datasheet, PDF (8/11 Pages) Micrel Semiconductor – Dual 150mA μCap LDO with Error Flag Outputs

Micrel, Inc.
Functional Diagram
INA
ENA
Reference
Voltage
Startup/
Shutdown
Control
Quickstart
Thermal
Sensor
Under-
voltage
Lockout
Overcurrent
Dropout
Detection
FAULT
Error
Amplifier
Current
Amplifier
ACTIVE SHUTDOWN
Out of
Regulation
Detection
INB
ENB
Reference
Voltage
Startup/
Shutdown
Control
Quickstart
Thermal
Sensor
Under-
voltage
Lockout
Overcurrent
Dropout
Detection
FAULT
Error
Amplifier
Current
Amplier
ACTIVE SHUTDOWN
Out of
Regulation
Detection
GNDB
OUTA
FLGA
GNDA
OUTB
FLGB
MIC5254
December 2007
8
M9999-121107