S1711 datasheet(32/44 Pages) SII

32 / 44 page

SUPER-SMALL PACKAGE 2-CIRCUIT HIGH RIPPLE-REJECTION LOW DROPOUT CMOS VOLTAGE REGULATOR

S-1711 Series

Rev.3.1_00

Seiko Instruments Inc.

3. ON / OFF Pin Transient Response Characteristics (Ta = 25°C)

VOUT = 1.5 V

VIN = 2.5 V, CLn = 1.0

μF, CIN = 1.0 μF, IOUT = 100 mA

VOUT = 3.0 V

VIN = 4.0 V, CLn = 1.0

μF, CIN = 1.0 μF, IOUT = 100 mA

-50

2.5

2.0

1.5

1.0

0.5

-0.5

t [

μs]

100

150

200

VOUT

VON/OFF

3.0

3.5

-1

-5

-4

-3

-2

-50

-1

t [

μs]

100

150

200

VOUT

VON/OFF

-2

-10

-8

-6

-4

VOUT = 5.0 V

VIN = 6.0 V, CLn = 1.0

μF, CIN = 1.0 μF, IOUT = 100 mA

-50

12.5

10.0

7.5

5.0

2.5

-2.5

t [

μs]

100

150

200

VOUT

VON/OFF

15.0

17.5

-8

-6

-4

-2

4. Output Capacitance vs. Discharge Time Characteristics (Ta = 25°C)

S-1711 Series A / B type (with discharge shunt function)

VIN = VOUT + 1.0 V, IOUT = no load,

VON/OFF = VOUT + 1.0 V

→ VSS, tf = 1 μs

2.5

2.0

1.5

1.0

0.5

CLn [

μF]

3.0

3.5

VOUT(S) = 5.0 V

VOUT(S) = 1.5 V

VOUT(S) = 3.0 V

VOUT

VON/OFF

μs

tDSC

VOUT

× 10%

VSS

VIN = VOUT + 1.0 V

VON/OFF = VOUT + 1.0 V

→ VSS

Figure 27

Figure 28 Measurement Condition of Discharge Time

Remark CLn: Output capacitor set to the VOUTn pin externally (n = 1, 2)

S1711 Datasheet(PDF) 32 Page - Seiko Instruments Inc

S1711 Datasheet(HTML) 32 Page - Seiko Instruments Inc

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