8181
LOW-DROPOUT,
5 V REGULATOR
ELECTRICAL CHARACTERISTICS at TA +25°C (unless otherwise noted).
Limits
Characteristic
Symbol Test Conditions
Min.
Typ.
Max.
Output Voltage
Output Volt. Temp. Coeff.
Line Regulation
Load Regulation
Dropout Voltage
Quiescent Current
(GND terminal current)
VO
TA = 25°C, 5.5 V ≤ VI ≤ 10 V,
0 mA ≤ IO ≤ 500 mA†
TA = 85°C, 5.5 V ≤ VI ≤ 10 V,
0 mA ≤ IO ≤ 500 mA*†
αVO
IO = 0
∆VO(∆VI) 5.5 V ≤ VI ≤ 10 V, Output open
∆VO(∆IO) 0 mA ≤ IO ≤ 500 mA†, VI = 6 V
VImin - VO IO = 500 mA†
IQ
VI = 10 V, IO = 500 mA†
VI = 10 V, Output open
4.90
5.00
5.10
4.85
—
5.15
—
±100
—
—
10
30
—
40
100
—
—
300
—
87
120
—
86
120
IQ(off)
VI = 10 V, Output open, VE = 0.4 V
—
ENABLE Input Voltage
VEH
Output ON, VI = 10 V
2.4
VEL
Output OFF, VI = 10 V
—
ENABLE Input Current
IE
VE = VI = 10 V
—
Thermal Shutdown Temp.
TJ
—
Thermal Resistance
RθJA
Mounted on 2.24" x 2.24" solder-coated
—
copper-clad board in still air
—
20
—
—
—
0.4
—
±0.1
165
—
67
—
RθJT
—
6.0
—
Typical values are given for circuit design information only.
* This parameter is tested to a lot sample plan only.
† Pulse test (<20 ms).
Units
V
V
µV/°C
mV
mV
mV
µA
µA
µA
V
V
µA
°C
°C/W
°C/W