S13D1 datasheet(23/45 Pages) SII

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SUPER-SMALL PACKAGE 2-CIRCUIT BUILT-IN DELAY FUNCTION HIGH RIPPLE-REJECTION LOW DROPOUT CMOS VOLTAGE REGULATOR

Rev.1.3_00

S-13D1 Series

Seiko Instruments Inc.

8. Delay function (S-13D1 Series C / F type)

C / F type in the S-13D1 Series has a built-in delay function that sets the difference of rising time between

channels. If the ON / OFF1 pin and the ON / OFF2 pin are set to ON simultaneously, VOUT2 pin voltage rises after

the delay time (tDELAY = 100

μs typ.).

tDELAY =

100

μs typ.

50% of the set output voltage

ON / OFF1, ON / OFF2

VOUT1

VOUT2

50% of the set output voltage

Figure 28

8. 1 In case ON / OFF2 pin is set to ON later

The VOUT1 pin voltage rises simultaneously when the ON / OFF1 pin is set to ON. After the ON / OFF2 pin is

set to ON, VOUT2 pin voltage rises in 100

μs typ.

100

μs typ.

ON / OFF2

VOUT1

VOUT2

ON / OFF1

Figure 29

8. 2 In case ON / OFF2 pin is set to ON previously

VOUT2 pin voltage does no rise even if the ON / OFF2 pin is set to ON. VOUT1 pin voltage rises if the ON /

OFF1 pin is set to ON. After VOUT1 pin voltage rises, VOUT2 pin voltage rises in 100

μs typ.

100

μs typ.

ON / OFF1

VOUT1

VOUT2

ON / OFF2

Current comsumption

< 10 μA

Figure 30

Caution

Note that the current consumption of less than 10

μA flows during the time period from when

the ON / OFF2 pin is set to ON until the ON / OFF1 pin is set to ON.

S13D1 Datasheet(PDF) 23 Page - Seiko Instruments Inc

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