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REG1117 Fiches technique(PDF) 5 Page - Burr-Brown (TI)

[Old version datasheet] Texas Instruments acquired Burr-Brown Corporation. Click here to check the latest version.
No de pièce REG1117
Description  800mA and 1A Low Dropout Positive Regulator 1.8V, 2.5V, 2.85, 3.3V, 5V, and Adjustable
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Fabricant  BURR-BROWN [Burr-Brown (TI)]
Site Internet  http://www.burr-brown.com
Logo BURR-BROWN - Burr-Brown (TI)

REG1117 Fiches technique(HTML) 5 Page - Burr-Brown (TI)

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REG1117
REG1117A
SBVS001D − OCTOBER 1992 − REVISED JULY 2004
www.ti.com
5
ELECTRICAL CHARACTERISTICS (continued)
At TJ = +25°C, unless otherwise noted.
REG1117, REG1117A
PARAMETER
UNIT
MAX
TYP
MIN
CONDITION
CURRENT LIMIT
REG1117 Models
VIN − VO = 5V
800
950
1200
mA
REG1117A
VIN − VO = 5V
1000
1250
1600
mA
MINIMUM LOAD CURRENT
Adjustable Models(1)(2)
VIN − VO = 13.75V
1.7
5
mA
QUIESCENT CURRENT
Fixed-Voltage Models(1)
VIN − VO = 5V
4
10
mA
ADJUSTABLE PIN CURRENT(1)(2)
IO = 10mA, VIN − VO = 1.4 to 10V
50
120
µA
vs Load Current, REG1117(1)
IO = 10mA to 800mA, VIN − VO = 1.4 to 10V
0.5
5
µA
vs Load Current, REG1117A(1)
IO = 10mA to 1A, VIN − VO = 1.4 to 10V
0.5
5
µA
THERMAL REGULATION
All Models(4)
30ms Pulse
0.01
0.1
%/W
RIPPLE REJECTION
All Models
f = 120Hz, VIN − VOUT = 3V + 1VPP Ripple
62
dB
TEMPERATURE DRIFT
Fixed-Voltage Models
TJ = 0
°C to +125°C
0.5
%
Adjustable Models
TJ = 0
°C to +125°C
2
%
LONG-TERM STABILITY
All Models
TA = 125°C, 1000Hr
0.3
%
OUTPUT NOISE
rms Noise, All Models
f = 10Hz to 10kHz
0.003
%
THERMAL RESISTANCE
Thermal Resistance,
qJC
(Junction-to-Case at Tab)
3-Lead SOT-223 Surface-Mount
15
°C/W
3-Lead DDPAK Surface-Mount
f > 50Hz
2
°C/W
dc
3
°C/W
Thermal Resistance,
qJA
(Junction-to-Case at Tab)
3-Lead DDPAK Surface-Mount
No Heatsink
65
°C/W
(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 IO = 800mA (REG1117 models), IO = 1A (REG1117A),
VIN − VO = 1.4V (reading taken 10ms after pulse).


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