Rx5RW
ELECTRICAL CHARACTERISTICS BY OUTPUT VOLTAGE
(common characteristics)
Topt=25°C
Symbol
I
SS
Istandby
∆V
OUT
/∆V
IN
V
IN
∆V
OUT
/∆Topt
I
LIM
R
PU
/R
PD
V
CEH
V
CEL
Item
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”
Conditions
V
IN
=setV
OUT
+2.0
V
IN
=setV
OUT
+2.0V
V
CE
=V
IN
(Rx5RWxxA),
V
CE
=GND
(Rx5RWxxB)
I
OUT
=1mA
setV
OUT
+0.5V
I
OUT
=10mA
−40°C
<
Topt
=
V
OUT
=0V
applied to A/B version
applied to A/B version
applied to A/B version
<
=
Min.
Typ.
1.5
0.1
Max.
3.0
1.0
0.20
8.0
Unit
µA
µA
%/V
V
ppm/
°C
mA
V
IN
<
=
8V
0.00
0.05
<
=
85°C
±100
40
1.5
1.5
0.25
4.0
12.0
MΩ
V
V
OPERATION
Rx5RWxxB
V
DD
2
-
+
Vref
Current Limit
CE 4
R2
R1
3 V
OUT
1 GND
In these ICs, output voltage V
OUT
is detected by Feedback Registers R1, R2, and the detected output voltage
is compare with a reference voltage by the error amplifier, so that a constant voltage is output.
A current limit circuit working for short protect, and a chip enable circuit are included.
7
RICOH [ RICOH ELECTRONICS DEVICES DIVISION ]
