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L6712AD PDF预览

L6712AD

更新时间: 2024-09-28 22:31:43
品牌 Logo 应用领域
意法半导体 - STMICROELECTRONICS 稳压器开关式稳压器或控制器电源电路开关式控制器光电二极管
页数 文件大小 规格书
27页 1079K
描述
TWO-PHASE INTERLEAVED DC/DC CONTROLLER

L6712AD 技术参数

是否Rohs认证: 不符合生命周期:Obsolete
零件包装代码:SOIC包装说明:SO-28
针数:28Reach Compliance Code:compliant
ECCN代码:EAR99HTS代码:8542.39.00.01
风险等级:5.85Is Samacsys:N
模拟集成电路 - 其他类型:SWITCHING CONTROLLER控制模式:CURRENT-MODE
控制技术:PULSE WIDTH MODULATION最大输入电压:13.2 V
最小输入电压:10.8 V标称输入电压:12 V
JESD-30 代码:R-PDSO-G28JESD-609代码:e4
长度:17.9 mm湿度敏感等级:3
功能数量:1端子数量:28
最高工作温度:125 °C最低工作温度:-40 °C
最大输出电流:2 A封装主体材料:PLASTIC/EPOXY
封装代码:SOP封装等效代码:SOP28,.4
封装形状:RECTANGULAR封装形式:SMALL OUTLINE
峰值回流温度(摄氏度):NOT SPECIFIED认证状态:Not Qualified
座面最大高度:2.65 mm子类别:Switching Regulator or Controllers
表面贴装:YES切换器配置:PHASE-SHIFT
最大切换频率:178 kHz技术:BCDMOS
温度等级:AUTOMOTIVE端子面层:Nickel/Palladium/Gold (Ni/Pd/Au)
端子形式:GULL WING端子节距:1.27 mm
端子位置:DUAL处于峰值回流温度下的最长时间:NOT SPECIFIED
宽度:7.5 mmBase Number Matches:1

L6712AD 数据手册

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L6712  
L6712A  
TWO-PHASE INTERLEAVED DC/DC CONTROLLER  
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.  
SO28  
VFQFPN-36 (6x6x1.0)  
ORDERING NUMBERS:  
Tube Tape & Reel  
L6712D, L6712AD L6712DTR, L6712ADTR  
0.9% OUTPUT VOLTAGE ACCURACY  
Package  
SO  
3mA CAPABLE AVAILABLE REFERENCE  
INTEGRATED PROGRAMMABLE REMOTE  
SENSE AMPLIFIER  
VFQFPN L6712Q, L6712AQ L6712QTR, L6712AQTR  
PROGRAMMABLE DROOP EFFECT  
DESCRIPTION  
10% ACTIVE CURRENT SHARING ACCURACY  
DIGITAL 2048 STEP SOFT-START  
CROWBAR LATCHED OVERVOLTAGE PROT.  
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.  
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  
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.  
POWER GOOD OUTPUT AND INHIBIT FUNCTION  
PACKAGES: SO-28 & VFQFPN-36  
APPLICATIONS  
HIGH CURRENT DC/DC CONVERTERS  
DISTRIBUTED POWER SUPPLY  
BLOCK DIAGRAM  
OSC / INH  
SGND  
VCCDR  
BOOT1  
BAND-GAP  
REFERENCE  
HS  
UGATE1  
PWM1  
PGOOD  
PHASE1  
CH1  
OCP  
VCC  
LS  
LGATE1  
ISEN1  
LOGIC AND  
PROTECTIONS  
VCCDR  
VID2  
VID1  
VID0  
DAC  
CURRENT  
READING  
TOTAL  
CURRENT  
PGNDS1  
CH1 OCP  
CH2 OCP  
PGND  
PGNDS2  
CURRENT  
READING  
DIGITAL  
SOFT-START  
ISEN2  
VPROG  
LS  
LGATE2  
CH2  
OCP  
REF_IN/OUT  
FBG  
FBR  
PHASE2  
UGATE2  
BOOT2  
PWM2  
HS  
REMOTE  
AMPLIFIER  
Vcc  
ERROR  
AMPLIFIER  
VSEN  
DROOP FB  
COMP  
Vcc  
March 2004  
1/27  

L6712AD 替代型号

型号 品牌 替代类型 描述 数据表
L6712ADTR STMICROELECTRONICS

完全替代

TWO-PHASE INTERLEAVED DC/DC CONTROLLER

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