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Electrical Characteristics (TA=25°C, VIN=5.0V unless otherwise specified)
Symbol
VIN
Parameter
Input Voltage
Conditions
Min. Typ. Max.
Unit
V
-
2.4
-
7.0
-2%
+2%
V
VIN=VOUT+1.0V, IOUT=1mA, VOUT≧1.8V
VIN=VOUT+1.0V, IOUT=1mA, VOUT＜1.8V, VIN
＞2.4V
Fixed
Type
-35
-2%
-50
+35
+2%
+50
mV
V
VOUT
Output Voltage
VOUT
VIN=VOUT+1.2V, IOUT=1mA, VOUT≧1.8V
VIN=VOUT+1.2V, IOUT=1mA, VOUT＜1.8V, VIN
＞2.4V
ADJ
Type
mV
A
IMAX
Output Current (see NOTE)
Dropout Voltage
1.0
-
50
700
0.2
-
-
-
V
OUT+1.0V≦VIN≦7.0V, VOUT≧2.4V
IOUT=100mA, VOUT>3.0V
IOUT=1000mA, VOUT>3.0V
OUT+1.0V≦VIN≦7V, IOUT=1mA
VIN=VOUT+1V, 1mA≦IOUT≦100mA
-
-
-
-
-
VDROP
mV
ΔVLINE
ΔVLOAD
IQ
Line Regulation
Load Regulation
Ground Pin Current
Shutdown Current
0.3
%/V
V
0.01 0.02 %/mA
ILOAD=0mA to 1.0A, VIN=VOUT+1.0V
VIN=VOUT+1V, EN=0V, No Load
60
0.7
600
55
40
-
-
-
-
-
uA
uA
mA
dB
uV(rms)
V
V
Ω
us
ISD
ISC
PSRR
eN
Short Circuit Current
Ripple Rejection
-
-
-
-
IOUT=30mA, F=1KHz, COUT=10uF
IOUT=100mA , F=1KHz, COUT=10uF
Output Noise
-
VIH
VIL
RDIS
TDIS
TSS
EN Pin Input Voltage “H”
EN Pin Input Voltage “L”
Discharge Resistor
Discharge Time
VIN≦5.0V
VIN≦5.0V
1.6
-
0.3
100
100
-
-
-
-
-
-
-
-
VEN=0V, For Fixed Voltage Type
VOUT=3.3V to 0V, COUT=1uF, For Fixed Voltage Type
VOUT=3.3V, CSS=0.1uF, CIN=COUT=1uF
30
70
20
150
20
Soft-Start Time
ms
TSD
Thermal Shutdown Temperature
-
-
-
-
oC
THYS
Thermal Shutdown Hysteresis
oC
NOTE：Measured using a double sided board with 1” x 2” square inches of copper area connected to the GND pins for “heat spreading”.
DS-RS7225-02
September, 2009
www.Orister.com
ORISTER [ ORISTER CORPORATION ]
