1A LOW DROPOUT LINEAR REGULATOR
Electrical Characteristics (Continued)
Operating Conditions: IVN≤10V,TJ =25oC unless otherwise specified.
Parameter
Conditions
Dropout Voltage
VREF = 1%, IOUT = 0.1Α
VREF = 1%, IOUT = 0.5Α
VREF = 1%, IOUT = 1.0Α
Current Limit
VIN -VOUT = 2V
Adjust Pin Current
Adjust Pin Current Change 1.4V≤VIN-VOUT ≤10V, 10mA≤IOUT ≤1A
Minimum Load Current (ADJ) 1.5V≤VIN-VOUT ≤10V (ADJ only)
Quiescent Current
VIN =VOUT +1.25V
Ripple Rejection
f =120Hz, COUT =22µF Tantalum,
VIN -VOUT = 3V, IOUT =1A
Temperature Stability
Long -Term Stability
TA=125oC, 1000hrs
RMS Output Noise
(% of VOUT)
TA=25oC, 10Hz≤f ≤ 01kHz
Thermal Resistance,
Junction to Case
SOT-223
TO-252
TO-220
TO-263
Thermal Shutdown
Junction Temperature
Thermal Shutdown Hysteresis
Data Sheet
EC48117
Min Typ Max Unit
1.00 1.1 V
1.08 1.18 V
1.15 1.25 V
1.25 1.35
A
60 120 µA
0.2 5 µA
1.7 5 mA
5
10 mA
60
75
dB
0.5
%
0.3
%
0.003
%
15
oC/W
10
4.5
4
150
oC
25
oC
Dec. 2003Rev. 1. 2
7