RQ5RW
ELECTRICAL CHARACTERISTICS BY OUTPUT VOLTAGE
(common characteristics)
Topt=25˚C
Symbol
Item
Conditions
MIN. TYP. MAX. Unit
ISS
Supply Current
VIN=setVOUT+2.0V
1.5
3.0
µA
Istandby Standby Current
VIN=setVOUT+2.0V
VCE=VIN(RQ5RW××A),
VCE=GND(RQ5RW××B)
0.1
1.0
µA
∆VOUT
∆VIN
Line Regulation
IOUT=1mA
setVOUT+0.5V≤ VIN≤ 8V
0
0.05 0.20 %/V
VIN
Input Voltage
8.0
V
∆VOUT
∆Topt
Output Voltage
Temperature Coefficient
IOUT=10mA
–40˚C≤ Topt≤ 85˚C
±100
ppm/˚C
Ilim
Short Current Limit
40
mA
RPU/RPD CE Pull-up / CE Pull-down Resistance
1.5
4.0 12.0 MΩ
VCEH CE/CE Input Voltage “H”
1.5
V
VCEL CE/CE Input Voltage “L”
0.25
V
OPERATION
RQ5RW××A
RQ5RW××B
VDD 2
CE 4
–
Error Amp. +
Vref
Current Limit
3 VOUT VDD 2
R1
R2
1 GND CE 4
–
Error Amp. +
Vref
Current Limit
3 VOUT
R1
R2
1 GND
In these ICs, Output Voltage VOUT is detected by Feed-back Registers R1, R2, and the detected Output Voltage is compare
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.
7