S-1121 Seiko Instruments, S-1121 Datasheet - Page 11

• Manufacturer Part Number: S-1121
• Description: (S-1111 / S-1121) HIGH RIPPLE-REJECTION LOW DROPOUT
• Manufacturer: Seiko Instruments

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Rev.4.1
Standard Circuit
Application Conditions
Caution The above connection diagram and constant will not guarantee successful operation.
Input capacitor (C
Output capacitor (C
Caution A general series regulator may oscillate, depending on the external components selected.
_00
Perform thorough evaluation using the actual application to set the constant.
Check that no oscillation occurs with the application using the above capacitor.
HIGH RIPPLE-REJECTION LOW DROPOUT CMOS VOLTAGE REGULATOR
IN
):
L
):
1.0 μF or more
2.2 μF or more (tantalum capacitor)
Input
*1. C
*2. A tantalum capacitor (2.2 μF or more) can be used.
C
IN
IN
*1
is a capacitor for stabilizing the input.
Single GND
Seiko Instruments Inc.
VIN
ON/OFF
Figure 9
VSS
VOUT
GND
C
L
*2
Output
S-1111/1121 Series
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