2910 データシートの表示（PDF） - Linear Technology

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2910

Octal Positive/Negative Voltage Monitor

Linear Technology 

LTC2910

PIN FUNCTIONS

to Table 1). When the monitored input is configured as a

positive voltage, a reset condition is triggered when the

pin is below 0.5V. When the monitored input is config-

ured as a negative voltage, a reset condition is triggered

when the pin is above 0.5V. Tie pin to VCC if unused and

configured as a positive supply. Tie pin to GND if unused

and configured as a negative supply.

VCC (Pin 16): Supply Voltage. Bypass this pin to GND with

a 0.1µF (or greater) capacitor. Operates as a direct supply

input for voltages up to 6V. Operates as a shunt regulator for

supply voltages greater than 6V and must have a resistance

between the pin and the supply to limit input current to no

greater than 10mA. When used without a current-limiting

resistance, pin voltage must not exceed 6V.

BLOCK DIAGRAM

V1

1

–

+

V2

2

–

+

V3

3

–

+

V4

4

–

+

V5

5

–

+

V6

6

–

+

V7

7

–

+

V8

8

–

+

REF

10

0.5V

1V

BUFFER

VCC

16

UVLO

TMR

15

OSCILLATOR

RESET DELAY

TIMER

DISABLE

2V

VCC

VCC

400k

RST

12

VCC

400k

RST 11

THREE-STATE

POLARITY

DECODER

14

SEL

DIS

13

1V

2µA

GND

9

2910 BD

2910fb

7

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