R1122N Datasheet, PDF (4/22 Pages) RICOH electronics devices division – LOW NOISE 150mA LDO REGULATOR

n ABSOLUTE MAXIMUM RATINGS
Symbol
Item
Rating
Unit
VIN Input Voltage
7.0
V
VCE Input Voltage (CE or CE Pin) -0.3 ~ VIN+0.3
V
VOUT Output Voltage
-0.3~ VIN+0.3
V
IOUT Output Current
200
mA
PD
Power Dissipation
250
mW
Topt
Operating Temperature
Range
-40 ~ 85
°C
Tstg Storage Temperature Range
-55 ~ 125
°C
n ELECTRICAL CHARACTERISTICS
l R1122NXX1A
Symbol
Item
VOUT
Output Voltage
IOUT
Output Current
DVOUT/DIOUT Load Regulation
VDIF
ISS
Istandby
DVOUT/DVIN
Dropout Voltage
Supply Current
Supply Current (Standby)
Line Regulation
RR
VIN
DVOUT/DT
Ilim
RPU
VCEH
VCEL
en
Ripple Rejection
Input Voltage
Output Voltage
Temperature Coefficient
Short Current Limit
CE Pull-up 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
VIN = Set VOUT+1V
When VOUT = Set VOUT-0.1V
VOUT
´0.98
150
VOUT
´1.02
V
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 = VCE = Set VOUT+1V
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
2.0
dB
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
Rev. 1.10
-4-