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參數資料
| 型號： | L6711 |
| 廠商： | 意法半導體 |
| 英文描述： | 3 PHASE CONTROLLER WITH DYNAMIC VID AND SELECTABLE DACs |
| 中文描述： | 3相控制器，動態VID和可選數模轉換器 |
| 文件頁數： | 1/38頁 |
| 文件大小： | 591K |
| 代理商： | L6711 |
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L6711
November 2004
1
FEATURES
■
2A INTEGRATED GATE DRIVERS
■
FULL DIFFERENTIAL CURRENT READING
ACROSS INDUCTOR OR LOW-SIDE
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 OVERVOLTAGE
PROTECTION
■
INTEGRATED TEMPERATURE SENSOR
■
CONSTANT OVER CURRENT PROTECTION
■
OSCILLATOR INTERNALLY FIXED AT
150kHz (450kHz RIPPLE)
■
OSCILLATOR EXTERNALLY ADJUSTABLE
■
OUTPUT ENABLE
■
INTEGRATED REMOTE SENSE BUFFER
■
TQFP48 7x7 PACKAGE WITH EXPOSED PAD
2
APPLICATIONS
■
HIGH CURRENT VRM/VRD FOR DESKTOP /
SERVER / WORKSTATION CPUs
■
HIGH DENSITY DC/DC CONVERTERS
3
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 dy-
namic VID with 0.5% accuracy over line and temp
variations. Additional programmable offset can be
added to the voltage reference with a single exter-
nal resistor.
The device assures a fast protection against load
over current and load over/under voltage. An inter-
nal crowbar is provided turning on the low side
mosfet if an over-voltage is detected.
In case of over-current, the system works in Con-
stant Current mode until UVP.
Selectable current reading adds flexibility in sys-
tem design.
DESCRIPTION
3 PHASE CONTROLLER WITH DYNAMIC VID
AND SELECTABLE DACs
Rev. 2
Figure 1. Package
Table 1. Order Codes
Part Number
L6711
L6711TR
Package
TQFP48
TQFP48 in Tape & Reel
TQFP48 (exposed pad)
相關PDF資料 |
PDF描述 |
|---|---|
| L6711TR | 3 PHASE CONTROLLER WITH DYNAMIC VID AND SELECTABLE DACs |
| L6714 | 4 phase controller with embedded drivers for Intel VR10, VR11 and AMD 6Bit CPUs |
| L6714TR | 4 phase controller with embedded drivers for Intel VR10, VR11 and AMD 6Bit CPUs |
| L6726A | Single phase PWM controller |
| L6726ATR | Single phase PWM controller |
相關代理商/技術參數 |
參數描述 |
|---|---|
| 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 開關控制器 3 PHASE CONTROLLER RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數量:1 最大工作溫度:+ 125 C 安裝風格: 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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