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參數(shù)資料
| 型號： | REG1117A-2.5 |
| 英文描述： | 800mA and 1A Low Dropout Positive Regulator 1.8V, 2.5V, 2.85V, 3.3V, 5V, and Adjustable |
| 中文描述： | 800mA電流和1A低壓差穩(wěn)壓積極在1.8V，2.5V，工作在2.85V，3.3V和5V和可調(diào) |
| 文件頁數(shù)： | 5/16頁 |
| 文件大?。?/td> | 264K |
| 代理商： | REG1117A-2.5 |
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SBVS001D OCTOBER 1992 REVISED JULY 2004
www.ti.com
5
ELECTRICAL CHARACTERISTICS (continued)
At T
J
= +25
°
C, unless otherwise noted.
REG1117, REG1117A
PARAMETER
UNIT
MAX
TYP
MIN
CONDITION
CURRENT LIMIT
REG1117 Models
REG1117A
MINIMUM LOAD CURRENT
Adjustable Models(1)(2)
QUIESCENT CURRENT
Fixed-Voltage Models(1)
ADJUSTABLE PIN CURRENT(1)(2)
vs Load Current, REG1117(1)
vs Load Current, REG1117A(1)
THERMAL REGULATION
All Models(4)
RIPPLE REJECTION
All Models
TEMPERATURE DRIFT
Fixed-Voltage Models
Adjustable Models
LONG-TERM STABILITY
All Models
OUTPUT NOISE
rms Noise, All Models
THERMAL RESISTANCE
Thermal Resistance, JC
3-Lead SOT-223 Surface-Mount
3-Lead DDPAK Surface-Mount
V
IN
V
O
= 5V
V
IN
V
O
= 5V
800
1000
950
1250
1200
1600
mA
mA
V
IN
V
O
= 13.75V
1.7
5
mA
V
IN
V
O
= 5V
4
50
0.5
0.5
10
120
5
5
mA
μ
A
μ
A
μ
A
I
O
= 10mA, V
IN
V
O
= 1.4 to 10V
I
O
= 10mA to 800mA, V
IN
V
O
= 1.4 to 10V
I
O
= 10mA to 1A, V
IN
V
O
= 1.4 to 10V
30ms Pulse
0.01
0.1
%/W
f = 120Hz, V
IN
V
OUT
= 3V + 1VPP Ripple
62
dB
T
J
= 0
°
C to +125
°
C
T
J
= 0
°
C to +125
°
C
0.5
2
%
%
TA = 125
°
C, 1000Hr
0.3
%
f = 10Hz to 10kHz
0.003
%
(Junction-to-Case at Tab)
15
2
3
°
C/W
°
C/W
°
C/W
f > 50Hz
dc
Thermal Resistance, JA
3-Lead DDPAK Surface-Mount
(Junction-to-Case at Tab)
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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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| REG1117A2K5 | 制造商:BB 制造商全稱:BB 功能描述:800mA and 1A Low Dropout Positive Regulator 1.8V, 2.5V, 2.85, 3.3V, 5V, and Adjustable |
| REG1117A-2K5 | 制造商:BB 制造商全稱:BB 功能描述:800mA and 1A Low Dropout Positive Regulator 1.8V, 2.5V, 2.85, 3.3V, 5V, and Adjustable |
| REG1117A2K5G4 | 制造商:BB 制造商全稱:BB 功能描述:800mA and 1A Low Dropout Positive Regulator 1.8V, 2.5V, 2.85, 3.3V, 5V, and Adjustable |
| REG1117A-2K5G4 | 制造商:BB 制造商全稱:BB 功能描述:800mA and 1A Low Dropout Positive Regulator 1.8V, 2.5V, 2.85, 3.3V, 5V, and Adjustable |
| REG1117A-5 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:800mA and 1A Low Dropout (LDO) Positive Regulator 1.8V. 2.5V. 2.85V. 3.3V. 5V. and Adj |
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