RN5RZ RICOH electronics devices division, RN5RZ Datasheet - Page 9

• Manufacturer Part Number: RN5RZ
• Description: LOW DROP-OUT AND LOW NOISE VOLTAGE REGULATOR
• Manufacturer: RICOH electronics devices division

6
RN5RZ
OPERATION
compared with a reference voltage by an Error Amplifier, so that a constant voltage is output.
TEST CIRCUITS
V
CE
DD
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
V
IN
IN
2
5
P .G.
Fig.3 Line Transient Response Test Circuit
C1
Error Amp.
Fig.1 Standard Test Circuit
Vref
2
5
Current Limit
2
5
RN5RZ
RN5RZ SERIES
V
CE
RN5RZ SERIES
V
CE
DD
DD
–
+
GND
GND
1
V
1
V
A
OUT
OUT
OUT
is detected by Feed-back Registers R1, R2, and the detected Output Voltage is
C1 : 10 F
3
C1 : 1 F
C2 : 10 F
3
R1
R2
I
C1
OUT
I
C2
OUT
3
1
V
GND
OUT
V
CE
DD
V
2
5
IN
A
Fig.2 Supply Current Test Circuit
C1
Error Amp.
Vref
Current Limit
RN5RZ
2
5
RN5RZ SERIES
V
CE
–
+
DD
GND
B
1
V
OUT
C1 : 1 F
C2 : 10 F
3
R1
R2
3
1
C2
V
GND
OUT