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Functional diagram – Rainbow Electronics MAX15011 User Manual

Page 12

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MAX15009/MAX15011

Functional Diagram

BIAS AND VOLTAGE

REFERENCE

CONTROL

LOGIC

V

REF

1.235V

OUT_LDO

FB_LDO

CT

OUT_SW

OUT_LDO

RESET

GATE

V

IN

SOURCE

M

U
X

0.124V

5V LDO
OUTPUT

PROTECTOR
OUTPUT

RESET
OUTPUT

IN

LDO

IN

V

IN

EN_PROT

EP

SGND

PGND

ENABLE

PROTECTOR

EN_LDO

ENABLE LDO

EN_SW

OC_DELAY

ENABLE SWITCH

HOLD

HOLD

2

μA

0.925 x V

REF

4.75V

IN

GATE UVLO

VGATE

V

REF

V

REF

ILIM

16

μA

OUT_SW

SWITCH

1

μA

V

REF

S

R

Q

0.1V

OVERVOLTAGE PROTECTOR

(MAX15009 ONLY)

SWITCH
OUTPUT

FB_PROT

Automotive 300mA LDO Regulators with
Switched Output and Overvoltage Protector

12

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