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參數資料
| 型號： | UA78L02ACLPE3 |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 固定正電壓單路輸出標準穩壓器 |
| 英文描述： | 2.6 V FIXED POSITIVE REGULATOR, PBCY3 |
| 封裝： | ROHS COMPLIANT, PLASTIC, TO-226AA, TO-92, 3 PIN |
| 文件頁數： | 2/27頁 |
| 文件大小： | 702K |
| 代理商： | UA78L02ACLPE3 |
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A78L00 SERIES
POSITIVE-VOLTAGE REGULATORS
SLVS010S JANUARY 1976 REVISED FEBRUARY 2004
10
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
APPLICATION INFORMATION
A78L15
0.1
F
1N4001
0.1
F
1N4001
0.33
F
0.33
F
1N4001
VO = 15 V
20-V Input
A79L15
Figure 5. Regulated Dual Supply
operation with a load common to a voltage of opposite polarity
In many cases, a regulator powers a load that is not connected to ground, but instead, is connected to a voltage
source of opposite polarity (e.g., operational amplifiers, level-shifting circuits, etc.). In these cases, a clamp
diode should be connected to the regulator output as shown in Figure 6. This protects the regulator from output
polarity reversals during startup and short-circuit operation.
A78Lxx
VO
VI
VO
1N4001
or
Equivalent
Figure 6. Output Polarity-Reversal-Protection Circuit
reverse-bias protection
Occasionally, the input voltage to the regulator can collapse faster than the output voltage. This can occur, for
example, when the input supply is crowbarred during an output overvoltage condition. If the output voltage is
greater than approximately 7 V, the emitter-base junction of the series-pass element (internal or external) could
break down and be damaged. To prevent this, a diode shunt can be employed as shown in Figure 7.
A78Lxx
VO
VI
Figure 7. Reverse-Bias-Protection Circuit
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| UA78L10ACLPRE3 | 10 V FIXED POSITIVE REGULATOR, PBCY3 |
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相關代理商/技術參數 |
參數描述 |
|---|---|
| UA78L02ACLPR | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:VOLT REGULATOR|FIXED|+2.6V|BIPOLAR|SIP|3PIN|PLASTIC |
| UA78L02CD | 制造商:TI 制造商全稱:Texas Instruments 功能描述:POSITIVE-VOLTAGE REGULATORS |
| UA78L02CDR | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Positive Fixed Voltage Regulator |
| UA78L02CLP | 制造商:TI 制造商全稱:Texas Instruments 功能描述:POSITIVE-VOLTAGE REGULATORS |
| UA78L05A | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:5V. 100mA Fixed Positive Voltage Regulator |
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