S-19212B50H-V5T2U datasheet(9/58 Pages) SII

Part #	S-19212B50H-V5T2U

Description	CMOS VOLTAGE REGULATOR

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Manufacturer	SII [Seiko Instruments Inc]

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FOR AUTOMOTIVE 105

°C OPERATION HIGH-WITHSTAND VOLTAGE LOW DROPOUT CMOS VOLTAGE REGULATOR

Rev.3.0_00

S-19212B/DxxH Series

9



Electrical Characteristics

Table 13

(Tj =

−40°C to +105°C unless otherwise specified)

Item

Symbol

Condition

Min.

Typ.

Max.

Unit

Test

Circuit

Output voltage

*1

VOUT(E)

VIN = VOUT(S)

+ 2.0 V, IOUT = 10 mA

VOUT(S)

× 0.980

VOUT(S)

× 1.020

V

1

Output current

*2

IOUT

VIN

≥ VOUT(S) + 2.0 V

250

*4

−

mA

3

Dropout voltage

*3

Vdrop

IOUT = 125 mA, Ta =

+25°C

−

0.35

−

V

1

IOUT = 250 mA, Ta =

+25°C

−

0.80

−

V

1

Line regulation

ΔVOUT1

ΔVIN • VOUT

VOUT(S)

+ 0.5 V ≤ VIN ≤ 36 V, IOUT = 10 mA

−

0.01

0.03

%/V

1

Load regulation

ΔVOUT2

VIN = VOUT(S)

+ 2.0 V,

2.5 V

≤ VOUT(S) < 5.1 V, 0.1 mA ≤ IOUT ≤ 40 mA

−

16

30

mV

1

VIN = VOUT(S)

+ 2.0 V,

5.1 V

≤ VOUT(S) < 12.1 V, 0.1 mA ≤ IOUT ≤ 40 mA

−

16

35

mV

1

VIN = VOUT(S)

+ 2.0 V,

12.1 V

≤ VOUT(S) ≤ 16.0 V, 0.1 mA ≤ IOUT ≤ 40 mA

−

16

40

mV

1

Current consumption

during operation

ISS1

VIN = 18.0 V,

VON / OFF = VIN, IOUT = 0.01 mA

−

6.5

8.5

μA

2

Current consumption

during power-off

ISS2

VIN = 18.0 V,

VON / OFF = 0 V, no load

−

0.1

3.5

μA

2

Input voltage

VIN

−

3.0

−

36

V

−

ON / OFF pin

input voltage "H"

VSH

VIN = 18.0 V, RL = 1.0 k

Ω,

determined by VOUT output

level

B type

(ON / OFF logic active "H")

1.5

−

V

4

Dtype

(ON / OFF logic active "H")

2.0

−

V

4

ON / OFF pin

input voltage "L"

VSL

VIN = 18.0 V, RL = 1.0 k

Ω,

determined by VOUT output

level

B type

(ON / OFF logic active "H")

−

0.25

V

4

Dtype

(ON / OFF logic active "H")

−

0.8

V

4

ON / OFF pin

input current "H"

ISH

VIN = 18.0 V, VON / OFF = VIN

−0.1

−

0.1

μA

4

ON / OFF pin

input current "L"

ISL

VIN = 18.0 V, VON / OFF = 0 V

−0.1

−

0.1

μA

4

Ripple rejection

|RR|

VIN = VOUT(S)

+ 2.0 V,

f = 100 Hz,

ΔVrip = 0.5 Vrms,

IOUT = 10 mA,

Ta =

+25°C

2.5 V

≤ VOUT(S) < 3.6 V

−

45

−

dB

5

3.6 V

≤ VOUT(S) < 6.1 V

−

40

−

dB

5

6.1 V

≤ VOUT(S) < 10.1 V

−

35

−

dB

5

10.1 V

≤ VOUT(S) ≤ 16.0 V

−

30

−

dB

5

Short-circuit current

Ishort

VIN = VOUT(S)

+ 2.0 V,

VON / OFF = VIN, VOUT = 0 V, Ta =

+25°C

−

120

−

mA

3

Thermal shutdown

detection temperature

TSD

Junction temperature

−

165

−

°C

−

Thermal shutdown

release temperature

TSR

Junction temperature

−

140

−

°C

−

Discharge shunt

resistance during

power-off

RLOW

VIN = 18.0 V, VON / OFF = 0 V, VOUT = 2.0 V

−

70

−

k

Ω

6

*1. VOUT(S): Set output voltage

VOUT(E): Actual output voltage

The output voltage when VIN = VOUT(S)

+ 2.0 V, IOUT = 10 mA

*2. The output current at which the output voltage becomes 95% of VOUT(E) after gradually increasing the output current.

*3. Vdrop = VIN1

− (VOUT3 × 0.98)

VIN1 is the input voltage at which the output voltage becomes 98% of VOUT3 after gradually decreasing the input voltage.

VOUT3 is the output voltage when VIN = VOUT(S)

+ 2.0 V, and IOUT = 125 mA or 250 mA.

*4. Due to limitation of the power dissipation, this value may not be satisfied. Attention should be paid to the power

dissipation when the output current is large.

This specification is guaranteed by design.

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