參數(shù)資料
型號(hào)： UA78L10ACLP
廠商： TEXAS INSTRUMENTS INC
元件分類： 固定正電壓單路輸出標(biāo)準(zhǔn)穩(wěn)壓器
英文描述： 10 V FIXED POSITIVE REGULATOR, PBCY3
封裝： ROHS COMPLIANT, PLASTIC, TO-226AA, TO-92, 3 PIN
文件頁數(shù)： 2/27頁
文件大小： 702K
代理商： UA78L10ACLP
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
相關(guān)PDF資料
PDF描述
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
UA78L10ACLPE3 功能描述:線性穩(wěn)壓器 - 標(biāo)準(zhǔn) 10V 100mA 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(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
UA78L10ACLPR 功能描述:線性穩(wěn)壓器 - 標(biāo)準(zhǔn) 10V 100mA 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(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
UA78L10ACLPRE3 功能描述:線性穩(wěn)壓器 - 標(biāo)準(zhǔn) 10V 100mA 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(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
UA78L10ACPK 功能描述:線性穩(wěn)壓器 - 標(biāo)準(zhǔn) 100mA 10V Fixed 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
UA78L10ACPKG3 功能描述:線性穩(wěn)壓器 - 標(biāo)準(zhǔn) 10V 100mA 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(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
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