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R1155 Datasheet, PDF (6/26 Pages) RICOH electronics devices division – 150 mA 24 V Input High Voltage Regulator
R1155x
NO.EA-270-150702
ELECTRICAL CHARACTERISTICS
VIN = VCE = VSET + 3.0 V, COUT = 4.7 μF, IOUT = 1 mA, unless otherwise noted.
The specifications surrounded by
are guaranteed by Design Engineering at −40°C ≤ Ta ≤ 105°C.
R1155xxxxB, R1155x001C Electrical Characteristics
Symbol
Item
Conditions
Min.
Typ.
(Ta = 25C)
Max. Unit
ILIM Output Current
VIN = VSET + 4 V
150
mA
VOUT
Output Voltage
(Low Power Mode)
IOUT = 1 mA
Ta = 25ºC
x0.98
−40°C ≤ Ta ≤ 105°C x0.955
x1.02 V
x1.03 V
ISS1
Supply Current
(Low Power Mode)
IOUT = 0 mA
2.5 ≤ VSET ≤ 4.2 V
4.2 < VSET ≤ 8.4 V
8.4 < VSET ≤ 12 V
7.5
22
A
8.6
22
A
9.5
22
A
ISS2 Supply Current (Fast Mode)
IOUT = 10 mA
65
125
A
Istandby Standby Current
∆VOUT
Output Voltage Deviation
When Switching Mode
∆VOUT
/∆IOUT
Load Regulation (Fast Mode)
VIN = 24 V, VCE = 0 V
1 mA ≤ IOUT ≤ 6 mA
6 mA ≤ IOUT ≤ 150 mA
2.5 ≤ VSET ≤ 5 V
5 < VSET ≤ 12 V
0.1
1.0
A
-1.5
0
1.5
%
30
90
mV
30
100 mV
∆VOUT
/∆VIN
Line Regulation (Low Power Mode)
Line Regulation (Fast Mode)
VSET + 0.2 V ≤ VIN ≤ 24 V
VSET + 0.2 V ≤ VIN ≤ 24 V
IOUT = 1 mA
IOUT = 10 mA
0.3
1.3
%
1.2
2.4
%
2.5V ≤ VSET < 3.3 V
1.6
2.6
V
VDIF Dropout Voltage
IOUT = 150 mA
3.3 V ≤ VSET < 5 V
0.96 2.1
V
5 ≤ VSET ≤ 12 V
0.55 1.7
V
RR Ripple Rejection (Fast Mode)
∆VOUT
/∆Ta
IOUTH
Output Voltage
Temperature Coefficient
Fast Mode Switching Current
f = 1 kHz, 0.5 Vp-p,
IOUT = 10 mA
2.5 ≤ VSET < 5 V
5 ≤ VSET ≤ 12 V
IOUT = 1 mA, −40°C ≤ Ta ≤ 105°C
IOUT = Light Load → Heavy Load
60
dB
50
dB
±100
ppm
/°C
2.4
4.5
6.5 mA
IOUTL Low Power Mode Switching Current IOUT = Heavy Load → Light Load
0.6
1.5
2.4 mA
ISC Short Current Limit
VOUT = 0 V
30
mA
VCEH CE Input Voltage “H”
1.35
VIN
V
VCEL CE Input Voltage “L”
0
0.5
V
TTSD Thermal Shutdown Temperature Junction Temperature
TTSR
Thermal Shutdown
Released Temperature
Junction Temperature
145
°C
120
°C
All test items listed under ELECTRICAL CHARACTERISTICS are done under the pulse load condition (Tj ≈Ta = 25°C) except
for Ripple Rejection and Output Voltage Temperature Coefficient.
6