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參數(shù)資料
| 型號： | LD1117AD2MTR |
| 廠商： | 意法半導(dǎo)體 |
| 元件分類： | 基準(zhǔn)電壓源/電流源 |
| 英文描述： | 5.0 AMP POSITIVE VOLTAGE REGULATOR |
| 中文描述： | 5.0放大器正電壓穩(wěn)壓器 |
| 文件頁數(shù)： | 1/27頁 |
| 文件大小： | 406K |
| 代理商： | LD1117AD2MTR |
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January 2007
Rev. 17
1/27
27
LD1117A series
Low drop fixed and adjustable positive voltage regulators
Features
■
Low dropout voltage
(1.15V typ. @ I
OUT
= 1A, 25°C)
■
Very low quiescent current
(5 mA typ. @ 25°C)
■
Output current up to 1A
■
Fixed output voltage of: 1.2V, 1.8V, 2.5V,
2.85V, 3.3V, 5.0V
■
Adjustable version availability (V
rel
= 1.25V)
■
Internal current and thermal limit
■
Only 10 μF for stability
■
Available in ± 2% (at 25°C) and 4% in full
temperature range
■
High supply voltage rejection:
– 80dB typ. at 25°C)
■
Temperature range: 0°C to 125°C
Description
The LD1117A is a LOW DROP Voltage Regulator
able to provide up to 1A of Output Current,
available even in adjustable version (Vref=1.25V).
Concerning fixed versions, are offered the
following Output Voltages: 1.2V, 1.8V, 2.5V, 2.85V,
3.3V and 5.0V. The 2.85V type is ideal for SCSI-2
lines active termination. The device is supplied in:
SOT-223, DPAK, D
2
PAK/A and TO-220. Surface
mount packages optimize the thermal
characteristics even offering a relevant space
saving effect. High efficiency is assured by NPN
pass transistor. Only a very common 10μF
minimum capacitor is needed for stability. Only
chip trimming allows the regulator to reach a very
tight output voltage tolerance, within ± 2% at
25°C.
SOT-223
D
2
PAK/A
TO-220
DPAK
www.st.com
Block diagram
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| LD1117ADT-TR | 5.0 AMP POSITIVE VOLTAGE REGULATOR |
| LD1117ASTR | 5.0 AMP POSITIVE VOLTAGE REGULATOR |
| LD1117AS18TR | 5.0 AMP POSITIVE VOLTAGE REGULATOR |
| LD1117BS18TR | 5.0 AMP POSITIVE VOLTAGE REGULATOR |
| LD1117BS25TR | 5.0 AMP POSITIVE VOLTAGE REGULATOR |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LD1117ADT | 制造商:STMicroelectronics 功能描述: |
| LD1117ADT1 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:LOW DROP FIXED AND ADJUSTABLE POSITIVE VOLTAGE REGULATORS |
| LD1117ADT12TR | 功能描述:低壓差穩(wěn)壓器 - LDO Lo drop fixed adjust pos Vltg reg 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 |
| LD1117ADT18 | 制造商:STMicroelectronics 功能描述: |
| LD1117ADT18TR | 功能描述:低壓差穩(wěn)壓器 - LDO LDO REG 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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