R1171S151A Datasheet, PDF (6/36 Pages) RICOH electronics devices division – 2.0A/1.5A LDO REGULATOR

R1172x
• R1172xxx1B/D
Symbol
Item
VIN Input Voltage
ISS Supply Current
Istandby Standby Current
VOUT Output Voltage
IOUT Output Current
∆VOUT/
∆IOUT
Load Regulation
VDIF Dropout Voltage
∆VOUT/
∆VIN
Line Regulation
RR Ripple Rejection
∆VOUT/
∆Topt
Ilim
RPD
VCEH
VCEL
TTSD
TTSR
en
Output Voltage
Temperature Coefficient
Short Current Limit
Pull-down Resistance for CE
pin
CE Input Voltage "H"
CE Input Voltage "L"
Thermal Shutdown
Temperature
Thermal Shutdown
Released Temperature
Output Noise
Topt=25°C
Conditions
Min. Typ. Max. Unit
1.4
6.0
V
VIN−VOUT=1.0V, VIN=VCE,
IOUT=0A
60 100 µA
VIN= 6.0V, VCE=0V
0.1
1.0
µA
VIN−VOUT=1.0V ^{VOUT > 1.5V}
IOUT=100mA
VOUT ^<= 1.5V
×0.98
−30
×1.02 V
+30 mV
VIN−VOUT=1.0V
1
A
VIN−VOUT=0.3V
1mA ^<= IOUT ^<= 300mA
−15 15
If VOUT ^<= 1.1V, then VIN=1.4V
VIN−VOUT=0.3V
1mA ^<= IOUT ^<= 1A
50
If VOUT ^<= 1.1V, then VIN=1.7V
30
mV
Refer to Dropout Voltage Table
IOUT=100mA
VOUT+0.5V ^<= VIN ^<= 6.0V
If VOUT ^<= 0.9V,
1.4V ^<= VIN ^<= 6.0V
f=1kHz (VOUT ^<= 4.0V)
f=1kHz (VOUT > 4.0V)
Ripple 0.5Vp-p, VIN−VOUT=1.0V
IOUT=100mA
If VOUT ^<= 1.2V, VIN−VOUT=1.5V,
IOUT=100mA
0.05 0.20 %/V
70
60
dB
IOUT=100mA
−40°C ^<= Topt ^<= 85°C
±100
ppm/°C
VOUT=0V
250
mA
1.9 5.0 15.0 MΩ
1.0
6.0
V
0
0.4
V
Junction Temperature
150
°C
Junction Temperature
BW=10Hz to 100kHz
120
°C
30
µVrms
6