TPS62100, TPS62101, TPS62102, TPS62103

MULTIMODE LOW POWER BUCK CONVERTER

SLUS446B – MAY 2000 – REVISED DECEMBER 2000

2

POST OFFICE BOX 655303

AVAILABLE OPTIONS{

TA

OPERATING FREQUENCY

PACKAGED DEVICES

TA

OPERATING FREQUENCY

SOIC (D)

300 kHz

TPS62100D

TA

40

°Cto85°C

600 kHz

TPS62101D

TA = –40°C to 85°C

1 MHz

TPS62102D

2 MHz

TPS62103D

† The D package is available taped and reeled. Add R suffix to device type (e.g. TPS62100DTR) to order

quantities of 3000 devices per reel.

functional block diagram

UDG–00049

3

6

1

MODE

+

+

600mV

VREF

+

+

+

815mV

785mV

770mV

FB

SQ

Q

R

SQ

Q

R

+

800mV

SQ

Q

R

SQ

Q

R

+

DUTY CYCLE

MEMORY

SOFTSTART

VIN

OSCILLATOR

5

SOFT–START

SOFTSTART

SQ

Q

R

DRIVER

DRIVER

2

VREF

4

COMP

AGND

1.38V

SHUTDOWN

20

µS DELAY

SD/SYNC

8SW

7

PGND

IZERO

200mA

1A

1.2A

300mV

SOFT–START

MODE FF

–

–

–

–

–

–

–