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參數(shù)資料
| 型號： | LP38842-ADJ |
| 廠商： | National Semiconductor Corporation |
| 英文描述： | 1.5A Ultra Low Dropout Adjustable Linear Regulators Stable with Ceramic Output Capacitors |
| 中文描述： | 1.5A的可調(diào)超低壓差線性穩(wěn)壓器采用陶瓷輸出電容器穩(wěn)定 |
| 文件頁數(shù)： | 2/11頁 |
| 文件大?。?/td> | 626K |
| 代理商： | LP38842-ADJ |
Connection Diagrams
20103002
TO-220, Top View
20103003
TO-263, Top View
Pin Description
Pin Name
BIAS
Description
The bias pin is used to provide the low current bias voltage to the chip which operates the internal
circuitry and provides drive voltage for the N-FET.
The regulated output voltage is connected to this pin.
This is both the power and analog ground for the IC. Note that both pin three and the tab of the
TO-220 and TO-263 packages are at ground potential. Pin three and the tab should be tied together
using the PC board copper trace material and connected to circuit ground.
The high current input voltage which is regulated down to the nominal output voltage must be
connected to this pin. Because the bias voltage to operate the chip is provided seperately, the input
voltage can be as low as a few hundered millivolts above the output voltage.
This provides a low power shutdown function which turns the regulated output OFF. Tie to V
BIAS
if
this function is not used.
OUTPUT
GND
INPUT
SHUTDOWN
Ordering Information
Order Number
LP38842S-0.8
LP38842SX-0.8
LP38842T-0.8
LP38842S-1.2
LP38842SX-1.2
LP38842T-1.2
LP38842S-1.5
LP38842SX-1.5
LP38842T-1.5
Package Type
TO263-5
TO263-5
TO220-5
TO263-5
TO263-5
TO220-5
TO263-5
TO263-5
TO220-5
Package Drawing
TS5B
TS5B
T05D
TS5B
TS5B
T05D
TS5B
TS5B
T05D
Supplied As
Rail
Tape and Reel
Rail
Rail
Tape and Reel
Rail
Rail
Tape and Reel
Rail
L
www.national.com
2
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LP38842EVAL | 功能描述:電源管理IC開發(fā)工具 LP38842 EVAL BOARD RoHS:否 制造商:Maxim Integrated 產(chǎn)品:Evaluation Kits 類型:Battery Management 工具用于評估:MAX17710GB 輸入電壓: 輸出電壓:1.8 V |
| LP38842MR-ADJ | 功能描述:低壓差穩(wěn)壓器 - LDO RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動電壓（最大值）:307 mV 輸出電流:1 A 負(fù)載調(diào)節(jié):0.3 % 輸出端數(shù)量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-20 |
| LP38842MR-ADJ/NOPB | 功能描述:低壓差穩(wěn)壓器 - LDO 0.8A Dual-Rail Sub-Bandgap LDO RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動電壓（最大值）:307 mV 輸出電流:1 A 負(fù)載調(diào)節(jié):0.3 % 輸出端數(shù)量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-20 |
| LP38842MRX-ADJ | 功能描述:低壓差穩(wěn)壓器 - LDO RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動電壓（最大值）:307 mV 輸出電流:1 A 負(fù)載調(diào)節(jié):0.3 % 輸出端數(shù)量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-20 |
| LP38842MRX-ADJ/NOPB | 功能描述:低壓差穩(wěn)壓器 - LDO RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動電壓（最大值）:307 mV 輸出電流:1 A 負(fù)載調(diào)節(jié):0.3 % 輸出端數(shù)量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-20 |
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