SP791 データシートの表示（PDF） - Signal Processing Technologies

部品番号

コンポーネント説明

メーカー

SP791

Low Power Microprocessor Supervisory with Battery Switch-Over

Signal Processing Technologies 

TYPICAL CHARACTERISTICS (25oC, unless otherwise noted)

VCC Supply Current vs.

Temperature (Normal Mode)

57

VCC=5V

53

VBATT=2.8V

49

45

41

37

33

29

25

-60 -30 0 30 60 90 120 150

Temperature Deg. C

Battery Supply Current vs.

Temperature (Backup Mode)

2.9

2.4

VCC=0V

VBATT=2.8V

1.9

1.4

0.9

0.4

-0.1

-60 -40 -20 0 20 40 60 80 100 120 140

Temperature Deg. C

Chip Enable On

Resistance vs. Temperature

120

110

VCC=4.75V

V =2.8V

BATT

100

CE IN=VCC/2

90

80

70

60

50

40

-60 -30 0 30 60 90 120 150 180

Temperature Deg. C

VBATT to VOUT ON

Resistance vs. Temperature

15

VCC=0V

VBATT=2V

10

VBATT=2.8V

5

VBATT=4.5V

0

-60 -30 0 30 60 90 120 150

Temperature Deg. C

VCC to VOUT On

Resistance vs. Temperature

0.9

V =5V

0.8

CC

V =0V

BATT

0.7

0.6

0.5

0.4

0.3

-60 -30 0 30 60 90 120 150

Temperature Deg. C

PFI Threshold

vs. Temperature

1.256

1.254

VCC=5V

VBATT=0

NO LOAD ON PFO

1.252

1.250

1.248

1.246

-60 -30 0 30 60 90 120 150

Temperature Deg. C

4.70

4.69

4.68

4.67

4.66

4.65

4.64

4.63

4.62

4.61

4.60

-60

Reset Threshold

vs. Temperature

VBATT=0V

Power Down

-30 0 30 60 90 120 150

Temperature Deg. C

Reset Output Resistance

vs. Temperature

600

V =5V,V =2.8V

500

CC

BATT

Soucing Current

400

300

200

100

0

-60

VCC=0V,VBATT=2.8V

Sink Current

-30 0 30 60 90 120 150

Temperature Deg. C

Reset Delay

vs. Temperature

212

VCC=0V to 5V Step,

210

VBATT=2.8V

208

206

204

202

200

-60 -30 0 30 60 90 120 150

Temperature Deg. C

SP791DS/08

SP791 Low Power Microprocessor Supervisory with Battery Switch-Over

6

© Copyright 2000 Sipex Corporation

Share Link: