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RP112K281D Datasheet(PDF) 5 Page - RICOH electronics devices division

Part # RP112K281D
Description  Low Noise 150mA LDO REGULATOR
Download  32 Pages
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Manufacturer  RICOH [RICOH electronics devices division]
Direct Link  http://www.ricoh.com
Logo RICOH - RICOH electronics devices division

RP112K281D Datasheet(HTML) 5 Page - RICOH electronics devices division

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RP112x
NO.EA-258-131024
5
ELECTRICAL CHARACTERISTICS
Unless otherwise noted, VIN
=5.25V(VOUT ≥ 4.1V), VIN=Set VOUT+1.0V(1.5V < VOUT < 4.1V),
VIN
=2.5V(VOUT ≤ 1.5V), IOUT=1mA, CIN=COUT=1.0μF.
The specifications surrounded by
are guaranteed by Design Engineering at - 40
°C ≤ Ta ≤85°C.
RP112xxxxB/D
Ta
=25°C
Symbol
Item
Conditions
Min.
Typ.
Max.
Unit
VOUT
≥ 2.0V
×0.99
×1.01
V
Ta=25
°C
VOUT < 2.0V
−20
+20
mV
VOUT
≥ 2.0V
×0.985
×1.015
V
VOUT
Output Voltage
−40°C ≤ Ta ≤ 85°C
VOUT < 2.0V
−30
+30
mV
IOUT
Output Current
150
mA
ΔVOUT/ΔIOUT Load Regulation
1mA
≤ IOUT ≤ 150mA
-14
0
14
mV
VDIF
Dropout Voltage
Please refer to “Dropout Voltage”.
VOUT
≥ 4.1V
80
ISS
Supply Current
IOUT
=0mA
VOUT < 4.1V
75
100
μA
Istandby
Standby Current
VCE
=0V
0.1
1.0
μA
Set VOUT
+0.3 ≤
VIN
≤ 5.25V
VOUT
≥ 4.1V
Set VOUT
+0.5V ≤
VIN
≤ 5.0V
1.7V
≤ VOUT ≤ 4.1V
ΔVOUT/ΔVIN Line Regulation
2.2V
≤ VIN ≤ 5.0V VOUT < 1.7V
0.02
0.10
%/V
f
=1kHz
80
f
=10kHz
75
RR
Ripple Rejection
Ripple 0.2Vp-p,
IOUT
=30mA,
VIN
=5.25V
(VOUT
≥ 4.1V),
VIN
=Set VOUT+1.0V
(VOUT < 4.1V)
f
=100kHz
65
dB
VIN
Input Voltage
2.0
5.25
V
ΔVOUT/ΔTopt
Output Voltage
Temperature Coefficient
−40°C ≤ Ta ≤ 85°C
±30
ppm
/
°C
ISC
Short Current Limit
VOUT
=0V
40
mA
IPD
CE Pull-down Current
0.3
0.6
μA
VCEH
CE Input Voltage "H"
1.0
V
VCEL
CE Input Voltage "L"
0.4
V
en
Output Noise
BW
=10Hz~100kHz,
IOUT
=30mA
10
μVrms
RLOW
Auto-discharge Nch Tr.
ON Resistance
(D version)
VIN
=4.0V, VCE=0V
60
Ω
All test categories were tested on the products under the pulse load condition (Tj
≈Ta=25ºC) except Output
Noise, Ripple Rejection, and Output Voltage Temperature Coefficient.
*1) The maximum input voltage (Electrical Characteristics) is 5.25V. If, for any reason the maximum input voltage
exceeds 5.25V, it has to be no more than 5.5V with 500hrs of the total operating time.


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