R1171 Datasheet, PDF (5/24 Pages) RICOH electronics devices division – 2.0A/1.5A LDO REGULATOR

R1171x
ELECTRICAL CHARACTERISTICS
• R1171Sxx1A
Topt=25°C
Symbol
VOUT
ΔVOUT/
ΔIOUT
Item
Output Voltage
Load Regulation
VDIF
Dropout Voltage
ISS
Istandby
ΔVOUT/ΔVIN
RR
Supply Current
Standby Current
Line Regulation
Ripple Rejection
Conditions
Min. Typ. Max. Unit
VIN−VOUT=1.0V, IOUT=200mA ×0.98
×1.02 V
VIN−VOUT=1.0V
1mA ^<= IOUT ^<= 300mA
1.5 ^<= VOUT<1.6
1.6 ^<= VOUT<1.7
IOUT=300mA ^{1.7 <= VOUT<1.8}
1.8 ^<= VOUT<2.0
2.0 ^<= VOUT<2.5
2.5 ^<= VOUT ^<= 5.0
10
60 mV
0.16 0.35
0.14 0.32
0.13 0.28
V
0.12 0.24
0.10 0.21
0.09 0.18
VIN−VOUT =1.0V, VCE=0V
130 320 μA
VIN−VOUT=1.0V, VIN=VCE
0.1 2.0 μA
IOUT=200mA
f=1kHz, Ripple 0.5Vp-p
Refer to the following table
VIN
ΔVOUT/
ΔTopt
ILIM
ISC
RPU
VCEH
VCEL
TTSD
TTSR
Input Voltage
Output Voltage
Temperature Coefficient
Output Current
Short Current Limit
IOUT=10mA
−40°C ^<= Topt ^<= 85°C
VIN−VOUT=1.0V
VOUT=0V
Pull-up resistance for CE pin
CE Input Voltage "H"
CE Input Voltage "L"
Thermal Shutdown
Detector Threshold Temperature
Thermal Shutdown
Released Temperature
Junction Temperature
Junction Temperature
2.1
6.0
V
±100
ppm/°C
1.5
A
200
mA
2.5 5.0 10.0 MΩ
1.2
VIN
V
0
0.25 V
150
°C
120
°C
• Line Regulation by Output Voltage
Output Voltage
VOUT (V)
1.5 ^<= VOUT < 1.6
1.6 ^<= VOUT ^<= 5.0
Line Regulation ΔVOUT/ΔVIN (%/V)
Condition
Typ.
IOUT=200mA, 2.1V ^<= VIN ^<= 6.0V
IOUT=200mA, VOUT+0.5V ^<= VIN ^<= 6.0V
0.05
Topt=25°C
Max.
0.30
• Ripple Rejection by Output Voltage
Output Voltage
VOUT (V)
1.5 ^<= VOUT < 4.7
4.7 ^<= VOUT ^<= 5.0
Ripple Rejection RR (dB)
Condition
f=1kHz, Ripple 0.5Vp-p, VIN−VOUT=1.0V
f=1kHz, Ripple 0.5Vp-p, VIN=5.75V
Topt=25°C
Typ.
50
5