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參數資料
| 型號： | L6712AQTR |
| 廠商： | STMICROELECTRONICS |
| 元件分類： | 穩壓器 |
| 英文描述： | 2 A SWITCHING CONTROLLER, QCC36 |
| 封裝： | 6 X 6 MM, 1 MM HEIGHT, VFQFPN-36 |
| 文件頁數： | 1/29頁 |
| 文件大小： | 624K |
| 代理商： | L6712AQTR |
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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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相關代理商/技術參數 |
參數描述 |
|---|---|
| L6712D | 功能描述:開關變換器、穩壓器與控制器 2-Ph Interleaved RoHS:否 制造商:Texas Instruments 輸出電壓:1.2 V to 10 V 輸出電流:300 mA 輸出功率: 輸入電壓:3 V to 17 V 開關頻率:1 MHz 工作溫度范圍: 安裝風格:SMD/SMT 封裝 / 箱體:WSON-8 封裝:Reel |
| L6712DTR | 功能描述:開關變換器、穩壓器與控制器 2-Ph Interleaved RoHS:否 制造商:Texas Instruments 輸出電壓:1.2 V to 10 V 輸出電流:300 mA 輸出功率: 輸入電壓:3 V to 17 V 開關頻率:1 MHz 工作溫度范圍: 安裝風格:SMD/SMT 封裝 / 箱體:WSON-8 封裝:Reel |
| L6712Q | 功能描述:開關變換器、穩壓器與控制器 2-Ph Interleaved RoHS:否 制造商:Texas Instruments 輸出電壓:1.2 V to 10 V 輸出電流:300 mA 輸出功率: 輸入電壓:3 V to 17 V 開關頻率:1 MHz 工作溫度范圍: 安裝風格:SMD/SMT 封裝 / 箱體:WSON-8 封裝:Reel |
| L6712QTR | 功能描述:開關變換器、穩壓器與控制器 2-Ph Interleaved RoHS:否 制造商:Texas Instruments 輸出電壓:1.2 V to 10 V 輸出電流:300 mA 輸出功率: 輸入電壓:3 V to 17 V 開關頻率:1 MHz 工作溫度范圍: 安裝風格:SMD/SMT 封裝 / 箱體:WSON-8 封裝:Reel |
| 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: |
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