Datasheet

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SBVS001D − OCTOBER 1992 − REVISED JULY 2004
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4
ELECTRICAL CHARACTERISTICS
At T
J
= +25°C, unless otherwise noted.
REG1117, REG1117A
PARAMETER CONDITION MIN TYP MAX UNIT
OUTPUT VOLTAGE
REG1117-2.85 I
O
= 10mA, V
IN
= 4.85V 2.820 2.85 2.880 V
See Note 1 I
O
= 0 to 800mA, V
IN
= 4.05V to 10V 2.790 2.85 2.910 V
REG1117-3.3 I
O
= 10mA, V
IN
= 5.3V 3.270 3.30 3.330 V
See Note 1 I
O
= 0 to 800mA, V
IN
= 4.8V to 10V 3.240 3.30 3.360 V
REG1117-5 I
O
= 10mA, V
IN
= 7V 4.950 5.00 5.050 V
See Note 1 I
O
= 0 to 800mA, V
IN
= 6.5V to 10V 4.900 5.00 5.100 V
REG1117A-1.8 I
O
= 10mA, V
IN
= 3.8V 1.782 1.8 1.818 V
See Note 1 I
O
= 0 to 1A, V
IN
= 3.8V to 10V 1.764 1.8 1.836 V
REG1117A-2.5 I
O
= 10mA, V
IN
= 4.5V 2.475 2.5 2.525 V
See Note 1 I
O
= 0 to 1A, V
IN
= 4.5V to 10V 2.450 2.5 2.550 V
REG1117A-5 I
O
= 10mA, V
IN
= 7V 4.950 5.0 5.050 V
See Note 1 I
O
= 0 to 1A, V
IN
= 7V to 10V 4.900 5.0 5.100 V
REFERENCE VOLTAGE
REG1117 (Adjustable) I
O
= 10mA, V
IN
− V
O
= 2V 1.238 1.250 1.262 V
See Note 1 I
O
= 10 to 800mA, V
IN
− V
O
= 1.4 to 10V 1.225 1.250 1.280 V
REG1117A (Adjustable) I
O
= 10mA, V
IN
− V
O
= 2V 1.238 1.250 1.262 V
See Note 1 I
O
= 10mA to 1A, V
IN
− V
O
= 1.4 to 10V 1.225 1.250 1.280 V
LINE REGULATION
REG1117-2.85
(1)
I
O
= 0, V
IN
= 4.25 to 10V 1 7 mV
REG1117-3.3
(1)
I
O
= 0, V
IN
= 4.8 to 10V 2 7 mV
REG1117-5
(1)
I
O
= 0, V
IN
= 6.5 to 15V 3 10 mV
REG1117 (Adjustable)
(1)
I
O
= 10mA, V
IN
− V
O
= 1.5 to 13.75V 0.1 0.4 %
REG1117A (Adjustable)
(1)
I
O
= 10mA, V
IN
− V
O
= 1.5 to 13.75V 0.1 0.4 %
REG1117A-1.8
(1)
I
O
= 0, V
IN
= 3.8V to 10V 1 7 mV
REG1117A-2.5
(1)
I
O
= 0, V
IN
= 4.5V to 10V 1 7 mV
REG1117A-5.0
(1)
I
O
= 0, V
IN
= 7V to 15V 3 10 mV
LOAD REGULATION
REG1117-2.85
(1)
I
O
= 0 to 800mA, V
IN
= 4.25V 2 10 mV
REG1117-3.3
(1)
I
O
= 0 to 800mA, V
IN
= 4.8V 3 12 mV
REG1117-5
(1)
I
O
= 0 to 800mA, V
IN
= 6.5V 3 15 mV
REG1117 (Adjustable)
(1)(2)
I
O
= 10 to 800mA, V
IN
− V
O
= 3V 0.1 0.4 %
REG1117A (Adjustable)
(1)(2)
I
O
= 10mA to 1A, V
IN
− V
O
= 3V 0.1 0.4 %
REG1117A-1.8
(1)
I
O
= 0 to 1A, V
IN
= 3.8V 2 10 mV
REG1117A-2.5 I
O
= 0 to 1A, V
IN
= 4.5V 2 10 mV
REG1117A-5 I
O
= 0 to 1A, V
IN
= 7.0V 3 15 mV
DROPOUT VOLTAGE
(3)
All Models
(1)
I
O
= 100mA 1.00 1.10 V
See Note 1 I
O
= 500mA 1.05 1.15 V
REG1117 Models
(1)
I
O
= 800mA 1.10 1.20 V
REG1117A I
O
= 1A 1.2 1.30 V
See Note 1 I
O
= 1A 1.2 1.55 V
(1)
Specification applies over the full specified junction temperature range, 0°C to +125°C.
(2)
REG1117 and REG1117A adjustable versions require a minimum load current for ±3% regulation.
(3)
Dropout voltage is the input voltage minus output voltage that produces a 1% decrease in output voltage.
(4)
Percentage change in unloaded output voltage before versus after a 30ms power pulse of I
O
= 800mA (REG1117 models), I
O
= 1A (REG1117A),
V
IN
− V
O
= 1.4V (reading taken 10ms after pulse).