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參數(shù)資料
| 型號： | L6711 |
| 廠商： | STMICROELECTRONICS |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | 2 A SWITCHING CONTROLLER, 178 kHz SWITCHING FREQ-MAX, PQFP48 |
| 封裝： | 7 X 7 MM, 1 MM HEIGHT, TQFP-48 |
| 文件頁數(shù)： | 1/50頁 |
| 文件大?。?/td> | 679K |
| 代理商： | L6711 |
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April 2006
Rev 4
1/50
50
L6711
3 Phase controller with dynamic VID and selectable DACs
Features
■
2A integrated gate drivers
■
Fully differential current reading across
inductor or LS MOSFET
■
0.5% Output voltage accuracy
■
6 bit programmable output from 0.8185V to
1.5810V in 12.5mV steps
■
5 bit programmable output from 0.800V to
1.550V in 25mV steps
■
Dynamic VID management
■
Adjustable reference voltage offset
■
3% active current sharing accuracy
■
Digital 2048 step soft-start
■
Programmable over voltage protection
■
Integrated temperature sensor
■
Constant over current protection
■
Oscillator internally fixed at 150kHz (450kHz
ripple) externally adjustable
■
Output enable
■
Integrated remote sense buffer
■
TQFP48 7x7 Package with exposed pad
Applications
■
High current VRM/VRD for desktop / Server /
Workstation CPUs
■
High density DC/DC Converters
Order codes
Description
The device implements a three phase step-down
controller with a 120° phase-shift between each
phase with integrated high current drivers in a
compact 7x7mm body package with exposed pad.
The device embeds selectable DAC: the output
voltage ranges from 0.8185V to 1.5810V with
12.5mV steps (VID_SEL = OPEN) or from 0.800V
to 1.550V with 25mV steps (VID_SEL = GND;
VID5 drives an optional +25mV offset) managing
dynamic VID with 0.5% accuracy over line and
temp variations. Additional programmable offset
can be added to the voltage reference with a
single external resistor.
The device assures a fast protection against load
over current and load over/under voltage. An
internal crowbar is provided turning on the low
side mosfet if an over-voltage is detected.
In case of over-current, the system works in
Constant Current mode until UVP.
Selectable current reading adds flexibility in
system design.
TQFP48 (Exposed Pad)
Part Number
Package
Packing
L6711
TQFP48
Tube
L6711TR
TQFP48
Tape & Reel
Obsolete
Product(s)
- Obsolete
Product(s)
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| L6714TR | SWITCHING CONTROLLER, 170 kHz SWITCHING FREQ-MAX, PQFP64 |
| L6714 | SWITCHING CONTROLLER, 170 kHz SWITCHING FREQ-MAX, PQFP64 |
| L6725TR | 20 A SWITCHING CONTROLLER, 500 kHz SWITCHING FREQ-MAX, PDSO16 |
| L6728ATR | SWITCHING CONTROLLER, 660 kHz SWITCHING FREQ-MAX, PDSO10 |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| L6711_06 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:3 Phase controller with dynamic VID and selectable DACs |
| L6711TR | 功能描述:DC/DC 開關(guān)控制器 3 PHASE CONTROLLER RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關(guān)頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數(shù)量:1 最大工作溫度:+ 125 C 安裝風(fēng)格: 封裝 / 箱體:CPAK |
| L6712 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:TWO-PHASE INTERLEAVED DC/DC CONTROLLER |
| L6712_05 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:TWO-PHASE INTERLEAVED DC/DC CONTROLLER |
| L6712A | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:TWO-PHASE INTERLEAVED DC/DC CONTROLLER |
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