R1122N Datasheet, PDF (5/22 Pages) RICOH electronics devices division – LOW NOISE 150mA LDO REGULATOR

l R1122NXX1B
Symbol
VOUT
Item
Output Voltage
IOUT
Output Current
DVOUT/DIOUT
Load Regulation
VDIF
ISS
Istandby
Dropout Voltage
Supply Current
Supply Current (Standby)
DVOUT/DVIN
Line Regulation
RR
VIN
DVOUT/DT
Ilim
RPD
VCEH
VCEL
en
Ripple Rejection
Input Voltage
Output Voltage
Temperature Coefficient
Short Current Limit
CE Pull-down Resistance
CE Input Voltage “H”
CE Input Voltage “L”
Output Noise
Topt=25°C
Conditions
MIN. TYP. MAX. Unit
VIN = Set VOUT+1V
1mA £ IOUT £ 30mA
VOUT
´0.98
VOUT
´1.02
V
VIN = Set VOUT+1V
When VOUT = Set VOUT-0.1V
150
mA
VIN = Set VOUT+1V
1mA £ IOUT £ 80mA
12
40
mV
refer to the ELECTICAL CHARACTERISTICS by OUTPUT
VOLTAGE
VIN = Set VOUT+1V
100
170
mA
VIN = Set VOUT+1V
VCE = GND
0.1
1.0
mA
Set VOUT+0.5V £ VIN £ 8V
IOUT = 30mA
0.05 0.20 %/V
f = 1KHz, Ripple 0.5Vp-p
VIN = Set VOUT+1V
80
dB
2.0
6.0
V
IOUT = 30mA
-40°C £ Topt £ 85°C
±100
ppm
/°C
VOUT = 0V
30
mA
2.5
5
10
MW
1.5
VIN
V
0
0.25
V
BW = 10Hz ~ 100kHz
30
mVrms
l ELECTRICAL CHARACTERISTICS by OUTPUT VOLTAGE
Topt = 25°C
Output Voltage
VOUT (V)
Dropout Voltage
VDIF (V)
Conditions
TYP.
MAX.
1.5 £ VOUT £ 1.6
0.32 0.55
1.7 £ VOUT £ 1.8
0.28 0.47
1.9 £ VOUT £ 2.3
IOUT = 100mA
0.25 0.35
2.4 £ VOUT £ 2.7
0.20 0.29
2.8 £ VOUT £ 5.0
0.19 0.26
Rev. 1.10
-5-