LTC2966

20

2966fc

For more information www.linear.com/LTC2966



LINEAR TECHNOLOGY CORPORATION 2015

LT 0817 REV C • PRINTED IN USA

www.linear.com/LTC2966

RELATED PARTS

TYPICAL APPLICATION

PART NUMBER

DESCRIPTION

COMMENTS

LTC1326

Micropower Triple Supply Monitor for 5V/2.5V, 3.3V and ADJ

4.725V, 3.118V, 1V Threshold (±0.75%) and ADJ

LTC1440/LTC1441/

LTC1442

Ultralow Power Single/Dual Comparator with Reference

Adjustable Hysteresis, 3mm × 3mm × 0.75mm DFN Package

LTC1726/LTC1727/

LTC1728

Micropower Triple Supply Monitor

Adjustable Reset and Watchdog Timeouts

LTC1985

Micropower Triple Supply Monitor with Push-Pull Reset Output

5-Lead SOT-23 Package

LTC2900/LTC2901/

LTC2902

Programmable Quad Supply Monitor

Adjustable Reset, Watchdog Timer and Tolerance,

10-Lead MSOP and DFN Packages

LTC2903

Precision Quad Supply Monitor

6-Lead SOT-23 and DFN Packages

LTC2904/LTC2905/

LTC2906/LTC2907

Three-State Programmable Precision Dual Supply Monitor

8-Lead SOT-23 and DFN Packages

LTC2908

Precision Six-Supply Monitor (Four Fixed and Two Adjustable)

8-Lead TSOT-23 and DFN Packages

LTC2909/LTC2919 Precision Triple/Dual Input UV, OV and Negative Voltage Monitor

LTC2910

Octal Positive/Negative Voltage Monitor

Adjustable Reset Timer, 16-Lead SSOP and DFN Packages

LTC2912/LTC2913/

LTC2914

Single/Dual/Quad UV and OV Voltage Monitors

LTC2915/LTC2916/

LTC2917/LTC2918

Single Voltage Supervisors with 27 Pin-Selectable Thresholds

Manual Reset and Watchdog Functions, 8- and 10-Lead

TSOT-23, MSOP and DFN Packages

LTC2965

100V Micropower Single Voltage Monitor

3.5V to 98V Monitoring Range, 3.5V to 100V Operating Range,

7µA Quiescent Current

LTC2960

36V Nano-Current Two Input Voltage Monitor

36V, 850nA Quiescent Current, 2mm × 2mm 8-Lead DFN and

TSOT-23 Packages

LT6700

Micropower Dual Comparator with 400mV Reference

SOT-23, 2mm × 3mm DFN Package

Figure 12. Monitoring Negative Voltage with Isolation

R5

10k

R6

1k

2966 F12

REF

–48V

RTN

INHA

INLA

INHB

INLB

OUTA

OUTB

LTC2966

R9

100k

R10

100k

R4

66.5k

C1

1000pF

10V

R3

33.2k

R2

66.5k

R1

232k

4N25

4.2mA

AT –48V

4.2mA

AT –48V

5V

UV

OV

5V

SYS

R7

10k

R8

1k

4N25

–48V UV/OV MONITOR

CHANNEL

RISING THRESHOLD

FALLING THRESHOLD

HYSTERESIS

RANGE

A

–40.0V

–36.0V

–4.0V

20x

B

–72.0V

–56.0V

–16.0V

40x

GND

PSA RS1A RS2A PSB RS1B RS2B