LT3071MPUFD View Datasheet(PDF) - Linear Technology

Part Name

Description

Manufacturer

LT3071MPUFD

5A, Low Noise, Programmable Output, 85mV Dropout Linear Regulator with Analog Margining

Linear Technology 

LT3071

BLOCK DIAGRAM

27 BIAS

IN

5-8

UVLO AND

THERMAL

SHUTDOWN

REF/BYP +

EAMP

–

BUF

LDO CORE

ISENSE

+

–

DETECT

IMON 21

OUT

15-18

SENSE

19

PWRGD

2

VIOC

1

GND

4,9-14,20,26,29

28 EN

500k

VOUT(NOM) + 300mV

VREF

PROGRAM CONTROL

EN

28

VO2

25

VO1

24

VO0

23

REF/BYP

3

600mV

MARGA

22

TO INTERNAL ENABLE

(SEE ENABLE

THRESHOLD CURVE)

LOGIC HIGH STATE

–

VBIAS – 0.25V

+

VO2, VO1, VO0

VBIAS

LOGIC HIGH STATE

100k VBIAS – 0.9V

+

–

+

100k

0.75V –

LOGIC LOW STATE

–

0.25V

+

HIGH IF IN > VBIAS – 0.25V

HIGH IF IN < VBIAS – 0.9V

AND IN > 0.75V

TO LOGIC

HIGH IF IN < 0.25V

3070 BD

3071fc

14

For more information www.linear.com/LT3071

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