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參數(shù)資料
| 型號： | UA7808 |
| 英文描述： | GENERAL PURPOSE SINGLE BIPOLAR TIMERS |
| 中文描述： | 8V的。 1.5A的固定正電壓穩(wěn)壓器 |
| 文件頁數(shù)： | 3/12頁 |
| 文件大小： | 250K |
| 代理商： | UA7808 |
μ
A7800 SERIES
POSITIVE-VOLTAGE REGULATORS
SLVS056J
–
MAY 1976
–
REVISED MAY 2003
3
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
recommended operating conditions
MIN
MAX
UNIT
μ
A7805C
μ
A7808C
μ
A7810C
μ
A7812C
μ
A7815C
μ
A7824C
7
25
10.5
25
VI
Input voltage
12.5
28
V
14.5
30
17.5
30
27
38
IO
TJ
Output current
1.5
A
°
C
Operating virtual junction temperature
μ
A7800C series
0
125
electrical characteristics at specified virtual junction temperature, V
I
= 10 V, I
O
= 500 mA (unless
otherwise noted)
PARAMETER
TEST CONDITIONS
TJ
μ
A7805C
TYP
UNIT
MIN
4.8
MAX
5.2
Output voltage
IO = 5 mA to 1 A,
PD
≤
15 W
VI = 7 V to 25 V
VI = 8 V to 12 V
VI = 8 V to 18 V,
IO = 5 mA to 1.5 A
IO = 250 mA to 750 mA
f = 1 kHz
VI = 7 V to 20 V,
25
°
C
5
V
0
°
C to 125
°
C
4.75
5.25
Input voltage regulation
25
°
C
3
100
mV
1
50
Ripple rejection
f = 120 Hz
0
°
C to 125
°
C
62
78
dB
Output voltage regulation
25
°
C
15
100
mV
5
50
Output resistance
0
°
C to 125
°
C
0
°
C to 125
°
C
25
°
C
25
°
C
25
°
C
0.017
Temperature coefficient of output voltage
IO = 5 mA
f = 10 Hz to 100 kHz
–
1.1
mV/
°
C
μ
V
V
Output noise voltage
40
Dropout voltage
IO = 1 A
2
Bias current
4.2
8
mA
Bias current change
VI = 7 V to 25 V
IO = 5 mA to 1 A
C t 125
0
°
C to 125
°
C
1.3
mA
0.5
Short-circuit output current
25
°
C
25
°
C
750
mA
Peak output current
Pulse-testing techniques maintain the junction temperature as close to the ambient temperature as possible. Thermal effects must be taken into
account separately. All characteristics are measured with a 0.33-
μ
F capacitor across the input and a 0.1-
μ
F capacitor across the output.
2.2
A
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| UA7808C | 制造商:Texas Instruments 功能描述: |
| UA7808CKC | 功能描述:線性穩(wěn)壓器 - 標準 8.0V 1500mA RoHS:否 制造商:STMicroelectronics 輸出類型: 極性: 輸出電壓:1.8 V 輸出電流:150 mA 負載調(diào)節(jié): 最大輸入電壓:5.5 V 線路調(diào)整率: 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:SOT-323-5L |
| UA7808CKC3 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Positive Fixed Voltage Regulator |
| UA7808CKCE3 | 功能描述:線性穩(wěn)壓器 - 標準 8V 1.5A Fixed Pos Voltage Regulator RoHS:否 制造商:STMicroelectronics 輸出類型: 極性: 輸出電壓:1.8 V 輸出電流:150 mA 負載調(diào)節(jié): 最大輸入電壓:5.5 V 線路調(diào)整率: 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:SOT-323-5L |
| UA7808CKCS | 功能描述:線性穩(wěn)壓器 - 標準 Positive V RoHS:否 制造商:STMicroelectronics 輸出類型: 極性: 輸出電壓:1.8 V 輸出電流:150 mA 負載調(diào)節(jié): 最大輸入電壓:5.5 V 線路調(diào)整率: 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:SOT-323-5L |
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