LTC2954 데이터 시트보기 (PDF) - Linear Technology

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LTC2954

Pushbutton On/Off Controller with µP Interrupt

Linear Technology 

LTC2954

TYPICAL APPLICATION

9V

R8

R5

BATTERY

1k

910k

C4

0.1μF

VIN

EN

LTC2954-1 INT

PB

KILL

GND ONT

PDT

VIN

VOUT

LT1761-1.8

SHDN

1.8V

R1

10k

INT

μP

KILL

CONT*

0.033μF

CPDT*

1μF

*OPTIONAL

2954 TA02

Figure 10. Reverse Battery Protection

RELATED PARTS

PART NUMBER

LTC2900

LTC2904/LTC2905

LTC2909

LTC2910

LTC2914

LTC2950/LTC2951

LTC4411

LTC4412HV

LTC4055

LT4351

LTC2952

LTC2953

DESCRIPTION

Programmable Quad Supply Monitor

Pin-Programmable Dual Supply Monitors

Precision Triple/Dual Input UV, OV and Negative

Voltage Monitor

Octal Positive/Negative Voltage Monitor

Quad UV/OV Positive/Negative Voltage Monitor

Pushbutton On/Off Controllers

2.6A Low Loss Ideal Diode in ThinSOT

Power Path Controller in ThinSOT

USB Power Controller and Li-Ion Charger

MOSFET Diode-OR Controller

Pushbutton PowerPath™ Controller with

Supervisor

Pushbutton ON/OFF Controller with Voltage

Monitoring

COMMENTS

Adjustable RESET, 10-Lead MSOP and 3mm × 3mm DFN Packages

Adjustable RESET and Tolerance, 8-Lead SOT-23 and

3mm × 2mm DFN Packages

6.5V Shunt Regulator for High Voltage Operation

Eight Adjustable Inputs (0.5V)

Adjustable UV and OV Trip Values

High Voltage, Low Power Pushbutton Controller with

Power-Down Fault Detect KILL Timer

No External MOSFET, Automatic Switching Between DC Sources

Efficient Diode-ORing, Automatic Switching Between DC Sources, 3V to 36V

Automatic Switchover, Charges 1-Cell Li-Ion Batteries

Wide Input Range: 1.2V to 18V

Automatic Low Loss Switchover Between DC Sources

High Voltage Pushbutton Controller with 200ms Voltage Reset Monitor

18 Linear Technology Corporation

1630 McCarthy Blvd., Milpitas, CA 95035-7417

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

2954fb

LT 0211 REV B • PRINTED IN USA

© LINEAR TECHNOLOGY CORPORATION 2006

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