LTC2912 datasheet(4/12 Pages) LINER

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LTC2912

2912fa

TYPICAL PERFORMANCE CHARACTERISTICS

Input Threshold Voltage

vs Temperature

Supply Current vs Temperature

VCC Shunt Voltage

vs Temperature

VCC Shunt Voltage vs ICC

UV Output Voltage vs VCC

Typical Transient Duration vs

Comparator Overdrive

TIMING DIAGRAMS

VH Monitor Timing

VH Monitor Timing (TMR Pin Strapped to VCC)

VL Monitor Timing

VL Monitor Timing (TMR Pin Strapped to VCC)

VUOT

tUOD

tUOTO

2912 TD01

VUOT

tUOD

tUOTO

2912 TD02

VUOT

tUOD

2912 TD03

VUOT

tUOD

2912 TD04

TEMPERATURE (°C)

–50

0.495

0.497

0.499

0.501

–25

2912 G01

0.503

0.505

0.496

0.498

0.500

0.502

0.504

100

TEMPERATURE (°C)

–50

–25

2912 G02

100

VCC = 5V

VCC = 3.3V

VCC = 2.3V

TEMPERATURE (°C)

–50

6.2

6.3

6.4

6.5

6.6

6.8

–25

025

2912 G03

100

6.7

200μA

1mA

2mA

5mA

10mA

ICC (mA)

–2

6.25

6.45

6.75

85°C

25°C

2912 G04

6.35

6.65

6.55

–40°C

COMPARATOR OVERDRIVE PAST THRESHOLD (%)

0.1

400

500

600

700

100

2912 G05

300

200

100

VCC = 2.3V

VCC = 6V

RESET OCCURS

ABOVE CURVE

SUPPLY VOLTAGE, VCC (V)

0.4

0.6

VCC

0.8

2912 G06

0.2

0.4

0.6

0.8

UV WITH

10k PULL-UP

UV WITHOUT

PULL-UP

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