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參數(shù)資料
| 型號： | L7920CD2T-TR |
| 英文描述： | Negative Fixed Voltage Regulator |
| 中文描述： | 負(fù)固定電壓穩(wěn)壓器 |
| 文件頁數(shù)： | 8/13頁 |
| 文件大?。?/td> | 109K |
| 代理商： | L7920CD2T-TR |
Figure 1 :
Fixed Output Regulator.
Figure 2 :
Split PowerSupply (
±
15V/1A).
Notes :
1. To specify an output voltage, substitute voltage value for ”XX”.
2. Required for stability. For value given, capacitor must be solid
tantalum. If aluminium electrolitics are used, at least ten times
value should be selected. C
1
is required if regulator is located an
appreciable distance from power supply filter.
3. To improve transient response. If large capacitors are used, a
high current diode from input to output (1N4001 or similar) should
be introduced to protect the device from momentary input short
circuit.
Against potential latch-up problems.
APPLICATION INFORMATION
Figure 3 :
Circuitfor IncreasingOutput Voltage.
Figure 4 :
High CurrentNegative Regulator
(– 5V/4Awith 5A current limiting).
C3 Optional for improvedtransient response and ripple rejection.
Figure 5 :
Typical ECL System PowerSupply
(– 5.2V/4A).
Optional dropping resistor to reduce the power dissipated in the
boost transistor.
V
O
= V
XX
R
1
+
R
2
R
2
V
XX
R
2
>
3I
d
L7900
8/13
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| L7920CP | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:NEGATIVE VOLTAGE REGULATORS |
| L7920CT | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:NEGATIVE VOLTAGE REGULATORS |
| L7920CV | 功能描述:線性穩(wěn)壓器 - 標(biāo)準(zhǔn) 20V 1.5A Negative 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(fù)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(fēng)格:SMD/SMT 封裝 / 箱體:SOT-323-5L |
| L7921 | 制造商:Leviton Manufacturing Co 功能描述: |
| L7922ABV | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Negative Fixed Voltage Regulator |
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