S19110AXXA datasheet(13/49 Pages) SII

Part #	S19110AXXA

Description	FOR AUTOMOTIVE 125째C OPERATION HIGH-WITHSTAND VOLTAGE BUILT-IN DELAY CIRCUIT (EXTERNAL DELAY TIME SETTING) VOLTAGE DETECTOR

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Manufacturer	SII [Seiko Instruments Inc]

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FOR AUTOMOTIVE 125°C OPERATION HIGH-WITHSTAND VOLTAGE BUILT-IN DELAY CIRCUIT (EXTERNAL DELAY TIME SETTING) VOLTAGE DETECTOR

Rev.1.3_00

S-19110AxxA to S-19110HxxA Series

13

Detection voltage

range

VDD

−VDET min.

−VDET max.

VOUT

tRESET

VDD

+VDET min.

+VDET max.

VOUT

Release voltage

range

tDELAY

Figure 19 Detection Voltage (VDD Detection Product)

Figure 20 Release Voltage (VDD Detection Product)

Detection voltage

VSENSE

−VDET min.

−VDET max.

VOUT

tRESET

Detection voltage

range

VSENSE

+VDET min.

+VDET max.

VOUT

tDELAY

Release voltage

range

Figure 21 Detection Voltage

Figure 22 Release Voltage

(SENSE Detection Product)

VDD

VSS

OUT

R

100 k

Ω

V

+

CP

CN

VDD

VSS

OUT

R

100 k

Ω

V

+

CP

CN

VSENSE

SENSE

Figure 23 Test Circuit of Detection Voltage

Figure 24 Test Circuit of Detection Voltage

and Release Voltage

(VDD Detection Product)

(SENSE Detection Product)

3. Hysteresis width (VHYS)

The hysteresis width is the voltage difference between the detection voltage and the release voltage (the voltage at

point B

− the voltage at point A = VHYS in Figure 26, Figure 28, Figure 34 and Figure 36). Setting the hysteresis

width between the detection voltage and the release voltage, prevents malfunction caused by noise on the input

voltage.

4. Feed-through current

The feed-through current is a current that flows instantaneously to the VDD pin at the time of detection and release

of a voltage detector.

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S19110AXXA Datasheet(PDF) 13 Page - Seiko Instruments Inc

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