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R1190 Datasheet, PDF (6/27 Pages) RICOH electronics devices division – 1A VOLTAGE REGULATOR (Operating Voltage up to 16V)
R1190x
The specification in
is checked and guaranteed by design engineering at −40°C ≤ Topt ≤ 85°C.
• Output Current by Output Voltage
Output Voltage VOUT
Output Current ILIM (mA)
Condition
Min.
2.0V ≤ VOUT < 2.5V
2.5V ≤ VOUT < 3.3V
3.3V ≤ VOUT ≤ 12.0V
VIN=VOUT+2.3V
600
700
1000
• Load Regulation by Output Voltage
Output Voltage VOUT
2.0V ≤ VOUT < 5.0V
5.0V ≤ VOUT ≤ 12.0V
2.0V ≤ VOUT < 2.5V
2.5V ≤ VOUT < 3.3V
3.3V ≤ VOUT < 5.0V
5.0V ≤ VOUT ≤ 12.0V
Load Regulation ∆VOUT/∆IOUT (mV)
Condition
VIN=VOUT+2.3V, 1mA ≤ IOUT ≤ 200mA
VIN=VOUT+2.3V, 1mA ≤ IOUT ≤ 600mA
VIN=VOUT+2.3V, 1mA ≤ IOUT ≤ 700mA
VIN=VOUT+2.3V, 1mA ≤ IOUT ≤ 1A
Typ.
20
40
80
90
120
130
Topt=25°C
Max.
60
100
180
200
230
250
• Dropout Voltage by Output Voltage
Topt=25°C
Output Voltage
VOUT
2.0V
Condition
Typ.
Dropout Voltage VDIF (V)
Max.
Condition
1.5
Typ.
Max.
2.1V
1.4
2.2V
2.3V
1.3
IOUT=600mA
1.6
2.2
1.2
2.4V
1.1
2.5V
1.0
2.6V
2.7V
2.8V ≤ VOUT < 3.1V
3.1V ≤ VOUT < 3.3V
3.3V ≤ VOUT < 4.0V
4.0V ≤ VOUT < 5.0V
5.0V ≤ VOUT < 9.0V
9.0V ≤ VOUT ≤ 12.0V
IOUT=200mA
0.4
0.3
0.25
0.19
0.1
0.9
0.8
IOUT=700mA
1.5
0.7
0.7
0.53
1.6
0.42
1.4
IOUT=1A
0.31
1.1
0.18
0.8
2.15
2.3
2.1
1.85
1.30
All of units are tested and specified under pulse load conditions such that Tj≈Topt=25°C except for Ripple
Rejection, Output Voltage Temperature Coefficient, Thermal Shutdown, Load Regulation at 600mA (2.0V ≤ VOUT
< 2.5V) and at 700mA (2.5V≤ VOUT < 3.3V) and at 1000mA (3.3V ≤ VOUT ≤ 12.0V), Dropout Voltage at 600mA
(2.0V ≤ VOUT < 2.5V) and at 700mA (2.5V ≤ VOUT < 3.3V) and at 1000mA (3.3V ≤ VOUT ≤ 12.0V).
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