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參數資料
| 型號： | LD1085DT33R |
| 廠商： | 意法半導體 |
| 元件分類： | 基準電壓源/電流源 |
| 英文描述： | 5.0 AMP POSITIVE VOLTAGE REGULATOR |
| 中文描述： | 5.0放大器正電壓穩壓器 |
| 文件頁數： | 1/27頁 |
| 文件大小： | 490K |
| 代理商： | LD1085DT33R |
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June 2007
Rev. 18
1/27
27
LD1085 series
3A Low drop positive voltage regulator adjustable and fixed
Features
■
Typical dropout 1.3V (at 3A)
■
Three terminal adjustable or fixed output
voltage 1.5V, 1.8V, 2.5V, 3.3V, 5V, 12V.
■
Guaranteed output current up to 3A
■
Output tolerance ±1% at 25°C and ±2% in full
temperature range
■
Internal power and thermal limit
■
Wide operating temperature range -40°C to
125°C
■
Package available: TO-220, TO-220FP,
DPAK, D
2
PAK, D
2
PAK/A
■
Pinout compatibility with standard adjustable
VREG
Description
The LD1085 is a LOW DROP Voltage Regulator
able to provide up to 3A of Output Current.
Dropout is guaranteed at a maximum of 1.2V at
the maximum output current, decreasing at lower
loads. The LD1085 is pin to pin compatible with
the older 3-terminal adjustable regulators, but has
better performances in term of drop and output
tolerance.
A 2.85V output version is suitable for SCSI-2
active termination. Unlike PNP regulators, where
a part of the output current is wasted as quiescent
current, the LD1085 quiescent current flows into
the load, so increase efficiency. Only a 10μF
minimum capacitor is need for stability.
The device is supplied in TO-220, TO-220FP,
DPAK, D
2
PAK and D
2
PAK/A. On chip trimming
allows the regulator to reach a very tight output
voltage tolerance, within ±1% at 25°C.
TO-220FP
D
2
PAK/A
TO-220
D
2
PAK
DPAK
www.st.com
Schematic diagram
相關PDF資料 |
PDF描述 |
|---|---|
| LD1085DT-R | 5.0 AMP POSITIVE VOLTAGE REGULATOR |
| LD1086D2xxx | 5.0 AMP POSITIVE VOLTAGE REGULATOR |
| LD1086V12 | 5.0 AMP POSITIVE VOLTAGE REGULATOR |
| LD1086V15 | 5.0 AMP POSITIVE VOLTAGE REGULATOR |
| LD1086D2 | 5.0 AMP POSITIVE VOLTAGE REGULATOR |
相關代理商/技術參數 |
參數描述 |
|---|---|
| LD1085DT-R | 功能描述:低壓差穩壓器 - LDO 2.85-30V 3.0A Adj 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 負載調節:0.3 % 輸出端數量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-20 |
| LD1085P | 功能描述:低壓差穩壓器 - LDO 2.85-30V 3.0A Adj 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 負載調節:0.3 % 輸出端數量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-20 |
| LD1085P 2Z | 制造商:STMicroelectronics 功能描述: |
| LD1085P 3Z | 制造商:STMicroelectronics 功能描述: |
| LD1085P12 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:3A LOW DROP FIXED AND ADJUSTABLE POSITIVE VOLTAGE REGULATORS |
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