ML4890
PIN CONNECTION
ML4890-5/-3/-T
8-Pin SOIC (S08)
VIN
VREF
GND
VOUT
1
8
2
7
3
6
4
5
TOP VIEW
PWR GND
SHDN
VL
VBOOST
PIN DESCRIPTION
PIN
NO. NAME
1 VIN
2 VREF
3 GND
4 VOUT
FUNCTION
Battery input voltage
200mV reference output
Analog signal ground
LDO linear regulator output
PIN
NO. NAME
FUNCTION
5 VBOOST Boost regulator output for connection
of an output filter capacitor
6 VL
7 SHDN
Boost inductor connection
Pulling this pin high shuts down the
regulator, isolating the load from the
input
8 PWR GND Return for the NMOS boost transistor
2