MAX15009 Datasheet, PDF (12/23 Pages) Maxim Integrated Products – Automotive 300mA LDO Regulators with Switched Output and Overvoltage Protector

Automotive 300mA LDO Regulators with
Switched Output and Overvoltage Protector
VIN
ENABLE LDO
HOLD
IN
IN
EN_LDO
HOLD
LDO
BIAS AND VOLTAGE
REFERENCE
VREF 1.235V
CONTROL
LOGIC
Functional Diagram
OUT_LDO
M
U
X
FB_LDO
5V LDO
OUTPUT
2μA
0.925 x VREF
VREF
0.124V
CT
RESET
RESET
OUTPUT
OUT_LDO
ILIM
SWITCH
16μA
OUT_SW
VGATE
ENABLE SWITCH
ENABLE
PROTECTOR
EN_SW
OC_DELAY
VREF
0.1V
1μA
S
Q
R
EN_PROT
IN
4.75V
VREF
GATE UVLO
OVERVOLTAGE PROTECTOR
(MAX15009 ONLY)
EP
SGND
PGND
OUT_SW
SWITCH
OUTPUT
GATE
SOURCE
FB_PROT
VIN
PROTECTOR
OUTPUT
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