RN5RT RICOH electronics devices division, RN5RT Datasheet - Page 11
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RN5RT
Manufacturer Part Number
RN5RT
Description
LOW DROPOUT VOLTAGE REGULATOR
Manufacturer
RICOH electronics devices division
Datasheet
1.RN5RT.pdf
(17 pages)
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10
RN5RT
OPERATION
compared with a reference voltage by Error Amplifier, so that a constant voltage is output.
TEST CIRCUITS
In these ICs, Output Voltage V
A current limit circuit working for Short Protect and a chip enable circuit for standby function are included.
V
IN
Fig.3 Line Transient Response Test Circuit
V
IN
C1
P.G.
Fig.1 Standard Test Circuit
2
5
2
5
V
CE
V
CE
DD
DD
GND
V
GND
1
DD
1
V
V
OUT
OUT
2
OUT
3
3
Vref
is detected by Feed-back Registers R1, R2, and the detected Output Voltage is
C1=1 F
C1, C2=1µF
C1
C2
I
I
OUT
OUT
+
–
CE
5
Current Limit
R2
R1
A
I
SS
Fig.2 Supply Current Test Circuit
C1
3
1
2
5
V
GND
OUT
V
CE
DD
GND
1
V
OUT
3
C1=1µF