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參數(shù)資料
| 型號(hào)： | REG1117A-25 |
| 英文描述： | 800mA and 1A Low Dropout (LDO) Positive Regulator 1.8V. 2.5V. 2.85V. 3.3V. 5V. and Adj |
| 中文描述： | 800mA電流和1A低壓降（LDO）穩(wěn)壓1.8V的實(shí)證。 2.5V的。工作在2.85V。 3.3。 5V的。和可調(diào)節(jié) |
| 文件頁(yè)數(shù)： | 4/12頁(yè) |
| 文件大?。?/td> | 382K |
| 代理商： | REG1117A-25 |
REG1117, REG1117A
SBVS001B
4
www.ti.com
Thermal
Limit
10X
V
OUT
V
IN
Ground (Fixed-Voltage Models)
Adj. (Adjustable-Voltage Model)
(Substrate)
+
Current
Limit
SIMPLIFIED SCHEMATIC
LONG-TERM STABILITY
All Models
T
A
= +125
°
C, 1000Hr
0.3
%
OUTPUT NOISE
rms Noise, All Models
f = 10Hz to 10kHz
0.003
%
THERMAL RESISTANCE
Operating Junction Temperature Range
Storage Range
Thermal Resistance,
θ
3-Lead SOT-223 Surface-Mount
3-Lead DDPAK Surface-Mount
0
+125
+150
°
C
°
C
–
65
(Junction-to-Case at Tab)
15
2
3
°
C/W
°
C/W
°
C/W
f > 50Hz
dc
Thermal Resistance,
θ
3-Lead DDPAK Surface-Mount
(Junction-to-Case at Tab)
No Heat Sink
65
°
C/W
NOTES: (1) Specification applies over the full operating 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).
ELECTRICAL CHARACTERISTICS
(Cont.)
At T
J
= +25
°
C, unless otherwise noted.
REG1117, REG1117A
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
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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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