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R1131D081A Datasheet, PDF (7/30 Pages) RICOH electronics devices division – Low Voltage 300mA LDO REGULATOR | |||
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TEST CIRCUIT
VDD
OUT
R1131x
C1
Series
C2
IOUT VOUT
GND
V
CE â
CE
â C1=C2=Tantalum VOUT <1.0V)
C1=C2=Ceramic1.0µF (VOUT >= 1.0V)
Standard Test Circuit
R1131x
ISS
A
C1
VDD
OUT
OUT
R1131x
Series
C2
GND
CE â
CE
â C1=C2=Tantalum VOUT <1.0V)
C1=C2=Ceramic1.0µF (VOUT >= 1.0V)
Supply Current Test Circuit
Pulse
Generator
P.G
VDD
OUT
R1131x
Series
GND
C2
IOUT
Pulse
Generator
P.G
VDD
OUT
R1131x
Series
GND
C2
IOUT
CE â
CE
â C2=Tantalum VOUT <1.0V)
C2=Ceramic1.0µF (VOUT >= 1.0V)
Ripple Rejection, Line Transient Response
Test Circuit
CE â
CE
â C2=Tantalum VOUT <1.0V)
C2=Ceramic1.0µF (VOUT >= 1.0V)
Load Transient Response Test Circuit
VDD
OUT
R1131x
C1
Series
C2
GND
Pulse
Generato
CE â
CE
IOUT
â Input signal waveform
to CE pin is shown below.
Set VOUT
+10V
0V
â C1=C2=Tantalum VOUT <1.0V)
C1=C2=Ceramic1.0µF (VOUT >= 1.0V)
Turn on Speed vifh CE pin Test Circuit
7
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