R1173 Datasheet, PDF (6/26 Pages) RICOH electronics devices division – Super low on resistance/Low voltage LDO

R1173x
ELECTRICAL CHARACTERISTICS
• R1173xxxxB/D (Fixed Output Voltage Type)
Topt=25°C
Symbol
Item
Conditions
Min. Typ. Max. Unit
VIN Input Voltage
1.4
6.0 V
ISS Supply Current
Istandby Standby Current
VOUT Output voltage
ΔVOUT/
ΔIOUT
Load regulation
VDIF Dropout Voltage
ΔVOUT/
ΔVIN
Line regulation
RR Ripple Rejection
ΔVOUT/ Output Voltage
ΔTopt Temperature Coefficient
ILIM Output Current
ISC Short Current Limit
RPD
Pull-down resistance
for CE pin
VCEH CE Input Voltage "H"
VIN−VOUT=1.0V, VCE=VIN, IOUT=0A
VIN= 6.0V, VCE=0V
VIN−VOUT=1.0V
IOUT=100mA
VOUT>1.5V
VOUT ^<= 1.5V
×0.98
−30
VIN−VOUT=0.3V, 1mA ^<= IOUT ^<= 300mA
If VOUT ^<= 1.1V, then VIN=1.4V
−15
VIN−VOUT=0.3V, 1mA ^<= IOUT ^<= 1A
If VOUT ^<= 1.1V, then VIN=1.7V
Refer to the following 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
IOUT=100mA,
−40°C ^<= Topt ^<= 85°C
VIN−VOUT=1.0V
1
VOUT=0V
60 100 μA
0.1 1.0 μA
×1.02 V
+30 mV
−2 15
mV
−3
0.05 0.20 %/V
70
60
dB
±100
250
ppm/
°C
A
mA
1.9 5.0 15.0 MΩ
1.0
6.0 V
VCEL CE Input Voltage "L"
TTSD
Thermal Shutdown Detector
Threshold Temperature
Junction
Temperature
TTSR
Thermal Shutdown
Released Temperature
Junction Temperature
en Output Noise
BW=10Hz to 100kHz
0
0.4 V
150
°C
120
°C
30
μVrms
• Dropout Voltage by Output Voltage
Output Voltage
VOUT (V)
0.8 ^<= VOUT < 0.9
0.9 ^<= VOUT < 1.0
1.0 ^<= VOUT < 1.5
1.5 ^<= VOUT < 2.6
2.6 ^<= VOUT
Typ.
0.33
0.22
0.18
0.10
0.05
Dropout Voltage VDIF (V)
IOUT=300mA
Max.
0.57
0.47
0.32
0.15
0.10
Topt=25°C
IOUT=1A
Typ.
0.72
0.64
0.56
0.32
0.18
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