TPS61000, TPS61001, TPS61002, TPS61003, TPS61004, TPS61005, TPS61006, TPS61007

SINGLE- AND DUAL-CELL BOOST CONVERTER WITH START-UP INTO FULL LOAD

SLVS279C – MARCH 2000 – REVISED APRIL 2003

3

POST OFFICE BOX 655303

functional block diagram

fixed output-voltage option

VREF

VBAT

Control Logic

Oscillator

Gate Drive

UVLO

Current Sense

Current Limit

Slope Compensation

Bandgap

Reference

EN

LBI

LBO

GND

COMP

L1

D1

VOUT

CO

CI

SW

Comparator

LBI/LBO

Comparator

Error

Amplifier

Antiringing

Comparator

and Switch

adjustable output-voltage option (TPS61000 only)

VREF

VBAT

Control Logic

Oscillator

Gate Drive

UVLO

Current Sense

Current Limit

Slope Compensation

Bandgap

Reference

EN

LBI

LBO

GND

COMP

L1

D1

VOUT

CO

CI

SW

Comparator

LBI/LBO

Comparator

Error

Amplifier

Antiringing

Comparator

and Switch

FB