S-1122 Seiko Instruments, S-1122 Datasheet - Page 11

• Manufacturer Part Number: S-1122
• Description: 9S-1112 / S-1122) HIGH RIPPLE-REJECTION AND LOW DROPOUT CMOS VOLTAGE REGULATOR
• Manufacturer: Seiko Instruments

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Rev.5.1
Standard Circuit
Application Conditions
Caution The above connection diagram and constant will not guarantee successful operation.
Input capacitor (C
Output capacitor (C
ESR of output capacitor:
Caution A general series regulator may oscillate, depending on the external components selected.
HIGH RIPPLE-REJECTION AND LOW DROPOUT CMOS VOLTAGE REGULATOR
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Perform thorough evaluation using the actual application to set the constant.
Check that no oscillation occurs with the application using the above capacitor.
IN
):
L
):
Input
1.0 µ F or more
0.47 µ F or more
10 Ω or less
*1. C
*2. A ceramic capacitor of 0.47 µ F or more can be used for C
C
IN
IN
*1
is a capacitor for stabilizing the input.
Single GND
Seiko Instruments Inc.
ON/OFF
VIN
Figure 10
VSS
VOUT
GND
C
L
*2
Output
S-1112/1122 Series
L
.
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