R1131D081A Datasheet, PDF (5/30 Pages) RICOH electronics devices division – Low Voltage 300mA LDO REGULATOR

R1131x
• R1131xxxxB/D
Topt=25°C
Symbol
Item
VOUT Output Voltage
IOUT
∆VOUT/
∆IOUT
VDIF
Output Current
Load Regulation
Dropout Voltage
Conditions
Min. Typ. Max. Unit
VIN=Set VOUT+1V
1µA ^<= IOUT ^<= 30mA
VIN−VOUT=1.0V
VOUT < 1.8V
VOUT ^<= 1.8V
×0.98
−30
300
×1.02 V
+30 mV
mA
VIN=Set VOUT+1V
1mA ^<= IOUT ^<= 300mA
40 70 mV
Refer to the ELECTRICAL CHARACTERISTICS by OUTPUT VOLTAGE
ISS1 Supply Current
VIN=Set VOUT+1V,VOUT < 1.8V
VIN=Set VOUT+1V,VOUT ^>= 1.8V
Istandby Supply Current (Standby) VIN=Set VOUT+1V, VCE=GND
∆VOUT/
∆VIN
Line Regulation
IOUT=30mA
VOUT+0.5V ^<= VIN ^<= 6.0V(VOUT > 0.9V)
1.4V ^<= VIN ^<= 6.0V(VOUT ^<= 0.9V)
RR Ripple Rejection
f=1kHz, Ripple 0.2Vp-p
VIN=Set VOUT+1V,IOUT=30mA
VIN Input Voltage
∆VOUT/ Output Voltage
∆Topt Temperature Coefficient
IOUT=30mA
−40°C ^<= Topt ^<= 85°C
Ilim Short Current Limit
VOUT=0V
RPD CE Pull-down Resistance
VCEH CE Input Voltage “H”
VCEL CE Input Voltage “L”
en Output Noise
BW=10Hz to 100kHz
RLOW
Nch On Resistance for auto
discharge
VCE=0V
(applied to D version only)
1.4
1.87
1.0
0.0
80 111 µA
60 90 µA
0.1 1.0 µA
0.01 0.15 %/V
65
dB
±100
50
5.0
30
6.0
12.0
VIN
0.3
V
ppm
/°C
mA
MΩ
V
V
µVrms
60
Ω
• Electrical Characteristics by Output Voltage
Output Voltage
VOUT (V)
0.8=VOUT
0.9=VOUT
1.0 ^<= VOUT < 1.5
1.5 ^<= VOUT < 2.6
2.6 ^<= VOUT ^<= 3.3
Dropout Voltage VDIF (mV)
Condition
Typ.
620
550
IOUT=300mA
480
310
230
Max.
850
780
700
450
350
5