RQ5RW RICOH electronics devices division, RQ5RW Datasheet - Page 11

• Manufacturer Part Number: RQ5RW
• Description: SMALL PACKAGE VOLTAGE REGULATOR
• Manufacturer: RICOH electronics devices division

ELECTRICAL CHARACTERISTICS BY OUTPUT VOLTAGE
(common characteristics)
OPERATION
In these ICs, Output Voltage V
with a reference voltage by Error Amplifier, so that a constant voltage is output.
A current limit circuit working for Short Protect and a chip enable circuit are included.
V
R
Istandby
CE
Symbol
DD
PU
V
V
V
V
V
Topt
I
I
V
CEH
CEL
lim
SS
/R
OUT
IN
OUT
IN
2
4
PD
Supply Current
Standby Current
Line Regulation
Input Voltage
Output Voltage
Temperature Coefficient
Short Current Limit
CE Pull-up / CE Pull-down Resistance
CE/CE Input Voltage “H”
CE/CE Input Voltage “L”
Error Amp.
Vref
Current Limit
RQ5RW
Item
–
+
OUT
is detected by Feed-back Registers R1, R2, and the detected Output Voltage is compare
A
R1
R2
3
1
V
V
GND
V
setV
OUT
CE
CE
V
V
–40˚C≤Topt≤85˚C
=GND(RQ5RW
=V
IN
IN
OUT
=setV
=setV
I
Conditions
V
IN
I
OUT
CE
OUT
DD
(RQ5RW
+0.5V≤ V
=10mA
=1mA
OUT
OUT
2
4
+2.0V
+2.0V
IN
≤8V
Error Amp.
A),
B)
Vref
Current Limit
RQ5RW
MIN.
1.5
1.5
–
+
0
B
TYP.
± 100
0.05
1.5
0.1
4.0
40
MAX.
0.20
12.0
0.25
3.0
1.0
8.0
R1
R2
RQ5RW
3
1
Topt=25˚C
ppm/ ˚C
Unit
%/V
MΩ
mA
V
GND
µA
µA
V
V
V
OUT
7