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High Ripple Rejection Low Dropout Middle Output Current CMOS Voltage Regulator - Seiko Instruments

Número de pieza S-1132
Descripción High Ripple Rejection Low Dropout Middle Output Current CMOS Voltage Regulator
Fabricantes Seiko Instruments 
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S-1132 datasheet

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S-1132 pdf
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HIGH RIPPLE-REJECTION LOW DROPOUT MIDDLE OUTPUT CURRENT CMOS VOLTAGE REGULATOR
Rev.2.0_00
S-1132 Series
„ Pin Configuration
SOT-23-5
Top view
54
123
Table 2
Pin No.
1
2
3
4
5
Symbol
VIN
VSS
ON/OFF
NC*1
VOUT
Description
Input voltage pin
GND pin
Shutdown pin
No connection
Output voltage pin
*1. The NC pin is electrically open.
The NC pin can be connected to VIN or VSS.
Figure 2
et4U.com
SOT-89-5
Top view
54
1 23
Figure 3
Table 3
Pin No.
Symbol
1 VOUT
2 VSS
3 NC*1
4 DataShOeNe/tO4UFF.com
5 VIN
Description
Output voltage pin
GND pin
No connection
Shutdown pin
Input voltage pin
*1. The NC pin is electrically open.
The NC pin can be connected to VIN or VSS.
DataShee
SNT-6A(H)
Top view
16
25
34
Figure 4
Table 4
Pin No.
1
2
3
4
5
6
Symbol
VOUT
VSS
NC*1
ON/OFF
VSS
VIN
Description
Output voltage pin
GND pin
No connection
Shutdown pin
GND pin
Input voltage pin
*1. The NC pin is electrically open.
The NC pin can be connected to VIN or VSS.
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D a t a 4SU .h ce oe mt
Seiko Instruments Inc.
5

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S-1132 arduino
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HIGH RIPPLE-REJECTION LOW DROPOUT MIDDLE OUTPUT CURRENT CMOS VOLTAGE REGULATOR
S-1132 Series
Rev.2.0_00
„ Standard Circuit
INPUT
CIN*1
VIN VOUT
ON/OFF
VSS
OUTPUT
CL*2
Single GND
GND
*1. CIN is a capacitor for stabilizing the input.
*2. A ceramic capacitor of 0.1 µF or more can be used for CL.
Figure 11
Caution The above connection diagram and constant will not guarantee successful operation. Perform
thorough evaluation using the actual application to set the constant.
„ Application Conditions
et4U.com
Input capacitor (CIN):
Output capacitor (CL):
ESR of output capacitor:
0.1 µF or moreDataSheet4U.com
0.1 µF or more
2.0 or less
Caution A general series regulator may oscillate, depending on the external components selected. Check
that no oscillation occurs with the application using the above capacitor.
DataShee
„ Selection of Input and Output Capacitors (CIN, CL)
The S-1132 Series requires an output capacitor between the VOUT and VSS pins for phase compensation. Operation is
stabilized by a ceramic capacitor with an output capacitance of 0.1 µF or more in the entire temperature range. However,
when using an OS capacitor, tantalum capacitor, or aluminum electrolytic capacitor, a ceramic capacitor with a capacitance
of 0.1 µF or more and an ESR of 2.0 or less is required.
The value of the output overshoot or undershoot transient response varies depending on the value of the output capacitor.
The required capacitance of the input capacitor differs depending on the application.
The recommended value for an application is 0.1 µF or more for CIN and 0.1 µF or more for CL; however, when selecting the
output capacitor, perform sufficient evaluation, including evaluation of temperature characteristics, on the actual device.
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