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參數(shù)資料
| 型號： | LT1076HVCT#TRPBF |
| 廠商： | LINEAR TECHNOLOGY CORP |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | 3.2 A SWITCHING REGULATOR, 125 kHz SWITCHING FREQ-MAX, PZFM7 |
| 封裝： | PLASTIC, TO-220, 7 PIN |
| 文件頁數(shù)： | 10/22頁 |
| 文件大?。?/td> | 318K |
| 代理商： | LT1076HVCT#TRPBF |
Linear Technology - LT1074HV - Step-Down Switching Regulator
Description
The LT1074 is a 5A (LT1076 is rated at 2A) monolithic bipolar switching regulator which requires only a
few external parts for normal operation. The power switch, all oscillator and control circuitry, and all
current limit components,are included on the chip. The topology is a classic positive “buck” configuration
but several design innovations allow this device to be used as a positive-to-negative converter, a negative
boost converter, and as a flyback converter. The switch output is specified to swing 40V below ground,
allowing the LT1074 to drive a tapped-inductor in the buck mode with output currents up to 10A.
The LT1074 uses a true analog multiplier in the feedback loop. This makes the device respond nearly
instantaneously to input voltage fluctuations and makes loop gain independent of input voltage. As a
result, dynamic behavior of the regulator is significantly improved over previous designs.
On-chip pulse by pulse current limiting makes the LT1074 nearly bust-proof for output overloads or
shorts. The input voltage range as a buck converter is 8V to 60V, but a self-boot feature allows input
voltages as low as 5V in the inverting and boost configurations.
The LT1074 is available in lowcost TO-220 or DD packages with frequency pre-set at 100kHz and
current limit at 6.5A (LT1076 =2.6A). A 7-pin TO-220 package is also available which allows current
limit to be adjusted down to zero. In addition, full micropower shutdown can be programmed. See
Application Note 44 for design details.
A fixed 5V output, 2A version is also available. See LT1076-5.
http://www.linear.com/pc/productDetail.jsp?navId=H0,C1,C1003,C1042,C1033,P1006 (3 of 7) [20-Jul-09 2:09:03 PM]
相關PDF資料 |
PDF描述 |
|---|---|
| LT1076IT-5#TR | 3.2 A SWITCHING REGULATOR, 120 kHz SWITCHING FREQ-MAX, PZFM5 |
| LT1076HVIT-5#TRPBF | 3.2 A SWITCHING REGULATOR, 120 kHz SWITCHING FREQ-MAX, PZFM5 |
| LT1076HVCT-5#TR | 3.2 A SWITCHING REGULATOR, 120 kHz SWITCHING FREQ-MAX, PZFM5 |
| LT1223CJ8#TRPBF | 1 CHANNEL, VIDEO AMPLIFIER, CDIP8 |
| LT1223CJ8#TR | 1 CHANNEL, VIDEO AMPLIFIER, CDIP8 |
相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| LT1076HVIR | 功能描述:IC REG MULTI CONFIG ADJ 2A 7DD RoHS:否 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - DC DC 開關穩(wěn)壓器 系列:- 設計資源:Design Support Tool 標準包裝:1 系列:- 類型:升壓（升壓） 輸出類型:固定 輸出數(shù):1 輸出電壓:3V 輸入電壓:0.75 V ~ 2 V PWM 型:- 頻率 - 開關:- 電流 - 輸出:100mA 同步整流器:是 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:SOT-23-5 細型，TSOT-23-5 包裝:剪切帶 (CT) 供應商設備封裝:TSOT-23-5 其它名稱:AS1323-BTTT-30CT |
| LT1076HVIR#PBF | 功能描述:IC REG MULTI CONFIG ADJ 2A 7DD RoHS:是 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - DC DC 開關穩(wěn)壓器 系列:- 設計資源:Design Support Tool 標準包裝:1 系列:- 類型:升壓（升壓） 輸出類型:固定 輸出數(shù):1 輸出電壓:3V 輸入電壓:0.75 V ~ 2 V PWM 型:- 頻率 - 開關:- 電流 - 輸出:100mA 同步整流器:是 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:SOT-23-5 細型，TSOT-23-5 包裝:剪切帶 (CT) 供應商設備封裝:TSOT-23-5 其它名稱:AS1323-BTTT-30CT |
| LT1076HVIR#PBF | 制造商:Linear Technology 功能描述:IC, DC-DC CONV, BUCK, 100KHZ, 2.6A, TO-2 |
| LT1076HVIR#TR | 功能描述:IC REG MULTI CONFIG ADJ 2A 7DD RoHS:否 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - DC DC 開關穩(wěn)壓器 系列:- 設計資源:Design Support Tool 標準包裝:1 系列:- 類型:升壓（升壓） 輸出類型:固定 輸出數(shù):1 輸出電壓:3V 輸入電壓:0.75 V ~ 2 V PWM 型:- 頻率 - 開關:- 電流 - 輸出:100mA 同步整流器:是 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:SOT-23-5 細型，TSOT-23-5 包裝:剪切帶 (CT) 供應商設備封裝:TSOT-23-5 其它名稱:AS1323-BTTT-30CT |
| LT1076HVIR#TRPBF | 功能描述:IC REG MULTI CONFIG ADJ 2A 7DD RoHS:是 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - DC DC 開關穩(wěn)壓器 系列:- 設計資源:Design Support Tool 標準包裝:1 系列:- 類型:升壓（升壓） 輸出類型:固定 輸出數(shù):1 輸出電壓:3V 輸入電壓:0.75 V ~ 2 V PWM 型:- 頻率 - 開關:- 電流 - 輸出:100mA 同步整流器:是 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:SOT-23-5 細型，TSOT-23-5 包裝:剪切帶 (CT) 供應商設備封裝:TSOT-23-5 其它名稱:AS1323-BTTT-30CT |
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