S-19311BFQA-V5T2U4 datasheet(8/39 Pages) SII

Part #	S-19311BFQA-V5T2U4

Description	CMOS VOLTAGE REGULATOR WITH RESET FUNCTION

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Manufacturer	SII [Seiko Instruments Inc]

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FOR AUTOMOTIVE 125°C OPERATION HIGH-WITHSTAND VOLTAGE CMOS VOLTAGE REGULATOR WITH RESET FUNCTION

S-19311 Series

Rev.1.0_02

8

2. Detector block

Table 8

(VIN = 13.5 V, Tj =

−40°C to +150°C unless otherwise specified)

Item

Symbol

Condition

Min.

Typ.

Max.

Unit

Test

Circuit

Detection voltage*1

−VDET

−

−VDET(S)

− 0.1

−VDET(S)

+ 0.1

V

4

Hysteresis width

VHYS

−

120

150

−

mV

4

Reset output voltage "H" VROH

−

VOUT(S)

× 0.9

−

V

4

Reset output voltage "L" VROL

VOUT

≥ 1.0 V, Rext ≥ 3 kΩ,

Connect to VOUT pin

−

0.2

0.4

V

4

Reset pull-up resistance RRO

VOUT pin internal resistance

20

30

45

k

Ω

−

Reset output current

IRO

VRO = 0.4 V, VOUT =

−VDET(S) − 0.1 V

3.0

−

mA

5

Lower reset timing

threshold voltage

VDRL

−

0.2

0.3

0.4

V

6

Upper timing threshold

voltage

VDU

−

1.5

1.9

2.3

V

6

Charge current

ID,cha

VDLY = 1.0 V

2.0

5.0

8.0

μA

6

Release delay time*2

trd

CDLY = 47 nF

11

18

25

ms

4

Reset reaction time*3

trr

CDLY = 47 nF

−

50

μs

4

*1.

−VDET: Actual detection voltage, −VDET(S): Set detection voltage

*2.

The time period from when VOUT changes to

−VDET(S) − 0.15 V → VOUT(S) to when VRO reaches VOUT / 2.

*3.

The time period from when VOUT changes to VOUT(S)

→ −VDET(S) − 0.15 V to when VRO reaches VOUT / 2.

3. Overall

Table 9

(VIN = 13.5 V, Tj =

−40°C to +150°C unless otherwise specified)

Item

Symbol

Condition

Min.

Typ.

Max.

Unit

Test

Circuit

Current consumption

during operation

ISS1

VIN = 13.5 V, IOUT = 0 mA

−

60

95

μA

7

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S-19311BFQA-V5T2U4 Datasheet(PDF) 8 Page - Seiko Instruments Inc

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