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參數(shù)資料
| 型號： | L6712QTR |
| 廠商： | STMICROELECTRONICS |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | 2 A SWITCHING CONTROLLER, QCC36 |
| 封裝： | 6 X 6 MM, 1 MM HEIGHT, VFQFPN-36 |
| 文件頁數(shù)： | 1/29頁 |
| 文件大小： | 624K |
| 代理商： | L6712QTR |
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L6712
L6712A
June 2005
1
Features
■ 2 PHASE OPERATION WITH
SYNCHRONOUS RECTIFIER CONTROL
■ ULTRA FAST LOAD TRANSIENT RESPONSE
■ INTEGRATED HIGH CURRENT GATE
DRIVERS: UP TO 2A GATE CURRENT
■ 3 BIT PROGRAMMABLE OUTPUT FROM
0.900V TO 3.300V OR WITH EXTERNAL REF.
■ ±0.9% OUTPUT VOLTAGE ACCURACY
■ 3mA CAPABLE AVAILABLE REFERENCE
■ INTEGRATED PROGRAMMABLE REMOTE
SENSE AMPLIFIER
■ PROGRAMMABLE DROOP EFFECT
■ 10% ACTIVE CURRENT SHARING
ACCURACY
■ DIGITAL 2048 STEP SOFT-START
■ CROWBAR LATCHED OVERVOLTAGE PROT.
■ NON-LATCHED UNDERVOLTAGE PROT.
■ OVERCURRENT PROTECTION REALIZED
USING THE LOWER MOSFET'S RdsON OR A
SENSE RESISTOR
■ OSCILLATOR EXTERNALLY ADJUSTABLE
AND INTERNALLY FIXED AT 150kHZ
■ POWER GOOD OUTPUT AND INHIBIT
FUNCTION
■ PACKAGES: SO-28 & VFQFPN-36
1.1 Applications
■ HIGH CURRENT DC/DC CONVERTERS
■ DISTRIBUTED POWER SUPPLY
2
Description
The device implements a dual-phase step-down con-
troller with a 180 phase-shift between each phase
optimized for high current DC/DC applications.
Output voltage can be programmed through the in-
tegrated DAC from 0.900V to 3.300V; program-
ming the "111" code, an external reference from
0.800V to 3.300V is used for the regulation.
Programmable Remote Sense Amplifier avoids
use of external resistor divider and recovers loss-
es along distribution line.
The device assures a fast protection against load
over current and Over / Under voltage.An internal
crowbar is provided turning on the low side mosfet
if Over-voltage is detected.
Output current is limited working in Constant Cur-
rent mode: when Under Voltage is detected, the
device resets, restarting operation.
TWO-PHASE INTERLEAVED DC/DC CONTROLLER
Figure 1. Packages
Table 1. Order Codes
Package
Tube
Tape & Reel
SO
L6712D,
L6712AD
L6712DTR,
L6712ADTR
VFQFPN
L6712Q,
L6712AQ
L6712QTR,
L6712AQTR
SO28
VFQFPN-36 (6x6x1.0mm)
Rev. 3
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| L6725ATR | 20 A SWITCHING CONTROLLER, 500 kHz SWITCHING FREQ-MAX, PDSO16 |
| L6727TR | 1.5 A SWITCHING CONTROLLER, 350 kHz SWITCHING FREQ-MAX, PDSO8 |
| L6727 | 1.5 A SWITCHING CONTROLLER, 350 kHz SWITCHING FREQ-MAX, PDSO8 |
| L6728AHTR | SWITCHING CONTROLLER, PDSO10 |
| L6730DTR | 20 A SWITCHING CONTROLLER, 1000 kHz SWITCHING FREQ-MAX, PDSO20 |
相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| L6712大電流DCDC轉換器 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述: |
| L6713A | 功能描述:DC/DC 開關控制器 2/3 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(shù)量:1 最大工作溫度:+ 125 C 安裝風格: 封裝 / 箱體:CPAK |
| L6713A_0805 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:2/3/4 phase controller with embedded drivers for Intel VR11.1 |
| L6713ATR | 功能描述:DC/DC 開關控制器 2/3 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(shù)量:1 最大工作溫度:+ 125 C 安裝風格: 封裝 / 箱體:CPAK |
| L6714 | 功能描述:功率驅動器IC 4 Phase Controller RoHS:否 制造商:Micrel 產(chǎn)品:MOSFET Gate Drivers 類型:Low Cost High or Low Side MOSFET Driver 上升時間: 下降時間: 電源電壓-最大:30 V 電源電壓-最小:2.75 V 電源電流: 最大功率耗散: 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Tube |
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