R3111D501B-TR-F 데이터 시트보기 (PDF) - RICOH Co.,Ltd.

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R3111D501B-TR-F

LOW VOLTAGE DETECTOR

RICOH Co.,Ltd. 

R3111x

TIMING CHART

Supply

Voltage Released Voltage +VDET

(VDD) Detector Threshold -VDET

Minimum Operating Voltage VDDL

GND

Output

Voltage

(VOUT)

Pull-up Voltage

GND

Detector Threshold

Hysteresis

tPLH

R3111xxxxA

Detector Threshold

Hysteresis

tPLH

R3111xxxxB

Detector Threshold

Hysteresis

tPLH

R3111xxxxC

DEFINITION OF OUTPUT DELAY TIME

Output Delay Time (tPLH) is defined as follows:

1. In the case of Nch Open Drain Output:(R3111xxxxA/B)

Under the condition of the output pin (OUT) is pulled up through a resistor of 470kΩ to 5V, the time interval

between the rising edge of VDD pulse from 0.7V to (+VDET)+2.0V and becoming of the output voltage to 2.5V.

2. In the case of CMOS Output:(R3111xxxxC)

The time interval between the rising edge of VDD pulse from 0.7V to (+VDET)+2.0V and becoming of the output

voltage to ((+VDET)+2.0V)/2.

+VDET+2.0V

Supply

Voltage

(VDD)

0.7V

GND

5.0V

Output

Voltage

(VOUT)

2.5V

GND

tPHL

tPLH

Nch Open Drain Output

(R3111xxxxA)

+VDET+2.0V

Supply

Voltage

(VDD)

0.7V

GND

5.0V

+VDET+2.0V

Supply

Voltage

(VDD)

0.7V

GND

+VDET+2.0V

Output

Voltage

(VOUT)

2.5V

GND

tPHL tPLH

+VDET+2.0V

Output 2

Voltage

(VOUT)

GND

tPHL tPLH

Nch Open Drain Output

(R3111xxxxB)

CMOS Output

(R3111xxxxC)

10

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