LTC2960_15 datasheet, PDF - EEWORLD Datasheet

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LTC2960_15: Description36V Nano-Current Two-Input Voltage Monitor; File Size311KB，18 Pages; ManufacturerLinear ( ADI ); Websitehttp://www.analog.com/cn/index.html

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LTC2960_15 Overview

36V Nano-Current Two-Input Voltage Monitor

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LTC2960

36V Nano-Current

Two-Input Voltage Monitor

FeaTures

DescripTion

The

LTC

2960

is a nano-current, high voltage two-input

voltage monitor, ideally suited for multicell battery ap-

plications. External resistive dividers configure custom

comparator thresholds. The supervisory circuit monitors

the ADJ input and pulls the

RST

output low when the input

drops below threshold. A reset timeout period delays the

return of the

RST

output to a high state when the input

rises above the threshold. The spare comparator allows

voltage conditions to be detected with either a non-inverting

input, IN

(LTC2960-1/LTC2960-3) or an inverting input,

–

(LTC2960-2/LTC2960-4). A manual reset (MR) input

is provided for external activation of the reset output.

Other options provided on the LTC2960-1/LTC2960-2 in-

clude a reset timeout period select pin, RT, to select between

15ms or 200ms reset timeout periods. The LTC2960-3/

LTC2960-4 have a fixed 200ms reset timeout period. The

RST

and OUT outputs are available with active pull-up cir-

cuits to an output logic supply pin (LTC2960-3/LTC2960-4)

or 36V open-drain outputs (LTC2960-1/LTC2960-2).

LT, LTC, LTM, Linear Technology and the Linear logo are registered trademarks and

ThinSOT is a trademark of Linear Technology Corporation. All other trademarks are the property

of their respective owners.

850nA Quiescent Current

Operating Range: 2.5V < V

< 36V

1.5% (Max) Accuracy Over Temperature

Adjustable Reset Threshold

Wide Temperature Range (–40°C to 125°C)

Adjustable IN

/IN

–

Threshold

Manual Reset Input

Compact 2mm

2mm 8-lead DFN and

TSOT-23 (ThinSOT™) Packages

applicaTions

Portable Equipment

Battery Powered Equipment

Security Systems

Automotive Systems

Inputs

ADJ/IN

–

ADJ/IN

–

Reset Timeout Period

15ms/200ms

200ms

Output Type

36V Open-Drain

Active Pull-Up

LTC2960 Option Table

Option

LTC2960-1

LTC2960-2

LTC2960-3

LTC2960-4

Typical applicaTion

Battery and Regulator Monitor

6V < V

< 8.4V

Li-Ion

4.2V

1200

LTC3632

DC/DC

GND

LTC2960-3

Li-Ion

4.2V

RST

OUT

ADJ

RESET

LOW BATTERY

402k

2960 TA01

Supply Current vs Supply Voltage

OUT

1.8V

1.3M

(nA)

1µF

900

MR=5V,

27C

0.1µF

50V

6.04M

600

402k

GND

300

POWER-FAIL FALLING THRESHOLD = 6.410V

RESET FALLING THRESHOLD = 1.693V

(V)

2960 TA01a

2960fa

For more information

www.linear.com/LTC2960

LTC2960_15 Related Products

	LTC2960_15	LTC2960
Description	36V Nano-Current Two-Input Voltage Monitor	36V Nano-Current Two-Input Voltage Monitor

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