LTC2970CUFD-1-PBF Ver la hoja de datos (PDF) - Linear Technology

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Fabricante

LTC2970CUFD-1-PBF

Dual I2C Power Supply Monitor and Margining Controller

Linear Technology 

LTC2970/LTC2970-1

TYPICAL APPLICATIO

R50

VIN IN

OUT

I+

I–

DC/DC

CONVERTER 0

RUN/SS FB

PGND SGND

R30

R20

LOAD

R10

R51

VIN IN

OUT

8V TO 15V

10

12VIN

9

VDD

10k

4

VIN0_BM

3

VIN0_BP

11

VOUT0

1

VIN0_AP

GPIO_CFG

20

0.1μF

0.1μF

14

IOUT0

R40

2 VIN0_AM

16

GPIO_0

17

ALERT

18

SCL

19

SDA

I2C BUS

( ) SMBUS

COMPATIBLE

LTC2970

I+

I–

DC/DC

CONVERTER 1

RUN/SS FB

PGND SGND

R31

R21

LOAD

R11

8

VIN1_BM

7

VIN1_BP

12

VOUT1

5

VIN1_AP

13

IOUT1

R41

6 VIN1_AM

15 GPIO_1

23

REF

RGND 24

0.1μF

GND ASEL0 ASEL1

25 22 21

29701 TA01

Figure 8. Typical LTC2970 Application Circuit for

DC/DC Converters with External Feedback Resistors

RELATED PARTS

PART NUMBER

LTC2920-1/LTC2920-2

LTC2921/LTC2922

LTC2923

LTC2924

LTC2925

LTC2926

LTC2927

DESCRIPTION

Single/Dual Power Supply Margining Controllers

Power Supply Trackers with Input Monitors

Power Supply Tracking Controller

Quad Power Supply Sequencer

Multiple Power Supply Tracking Controller

MOSFET Controller Power Supply Tracker

Single Power Supply Tracker

36 Linear Technology Corporation

1630 McCarthy Blvd., Milpitas, CA 95035-7417

(408) 432-1900 ● FAX: (408) 434-0507 ● www.linear.com

COMMENTS

Symmetric/Asymmetric High and Low Voltage Margining

3 (LTC2921) or 5 (LTC2922) Remote Sense Switches

Up to 3 Supplies

Voltage Monitoring and Sequence Error Detection and Reporting

Power Good Timer, Remote Sense Switch

Up to 3 Modules

Point of Load Applications

29701fc

0308 REV C • PRINTED IN USA

© LINEAR TECHNOLOGY CORPORATION 2006

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