M51945A 查看數據表（PDF） - Renesas Electronics

零件编号

产品描述 (功能)

比赛名单

M51945A

Voltage Detecting, System Resetting IC Series

Renesas Electronics 

M51945A,B/M51946A,B

Typical Characteristics

Thermal Derating

(Maximum Rating)

500

5-pin SIP

400

8-pin SOP

(PRSP0008DE-C)

: recommend

8-pin SOP

300

(PRSP0008DA-A)

: not recommend

200

100

0

0

25 50 75 85 100 125

Ambient Temperature Ta (°C)

Detection Voltage vs. Supply Voltage

(Input voltage detection series)

1.28

1.27

1.26

VSH

1.25

VSL

1.24

1.23

1.22

0

4

8 12 16 20

Supply Voltage VCC (V)

Threshold Operating Voltage

([L] reset type)

1.0

Ta = 25°C

0.8

0.6

RL = 2.2kΩ

0.4

RL = 22kΩ

RL = 100kΩ

0.2

0

0 0.2 0.4 0.6 0.8 1.0

Supply Voltage VCC (V)

Detection Voltage vs. Ambient Temperature

(Input voltage detection series)

1.28

1.27

VSH

1.26

1.25

VSL

1.24

1.23

1.22

–40 –20 0 20 40 60 80 100

Ambient Temperature Ta (°C)

Input Current vs. Supply Voltage

(Input voltage detection series)

250

VIN = 1.25V

200

150

Ta = –30°C

100

Ta = 25°C

50

Ta = 85°C

0

0

4

8 12 16 20

Supply Voltage VCC (V)

Output Saturation Voltage vs. Output Sink Current

0.3

Supply voltage detecting "L" reset type

: VCC = 4V

Except above mentioned

: VCC = 5V

0.2

0.1

0

0123456

Output Sink Current Isink (mA)

REJ03D0774-0200 Rev.2.00 Aug 20, 2007

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