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L6996D PDF预览

L6996D

更新时间: 2024-11-25 23:15:15
品牌 Logo 应用领域
意法半导体 - STMICROELECTRONICS 控制器
页数 文件大小 规格书
26页 367K
描述
DINAMICALLY PROGRAMMABLE SYNCHRONOUS STEP DOWN CONTROLLER FOR MOBILE CPUs

L6996D 技术参数

生命周期:Obsolete零件包装代码:TSSOP
包装说明:TSSOP, TSSOP24,.25针数:24
Reach Compliance Code:compliantECCN代码:EAR99
HTS代码:8542.39.00.01风险等级:5.84
其他特性:CAN ALSO OPERATE IN PFM MODE模拟集成电路 - 其他类型:SWITCHING CONTROLLER
控制模式:VOLTAGE-MODE控制技术:PULSE WIDTH MODULATION
最大输入电压:28 V最小输入电压:1 V
JESD-30 代码:R-PDSO-G24长度:7.8 mm
功能数量:1端子数量:24
最高工作温度:70 °C最低工作温度:
封装主体材料:PLASTIC/EPOXY封装代码:TSSOP
封装等效代码:TSSOP24,.25封装形状:RECTANGULAR
封装形式:SMALL OUTLINE, THIN PROFILE, SHRINK PITCH认证状态:Not Qualified
座面最大高度:1.2 mm子类别:Switching Regulator or Controllers
表面贴装:YES切换器配置:PUSH-PULL
最大切换频率:1000 kHz温度等级:COMMERCIAL
端子形式:GULL WING端子节距:0.65 mm
端子位置:DUAL宽度:4.4 mm
Base Number Matches:1

L6996D 数据手册

 浏览型号L6996D的Datasheet PDF文件第2页浏览型号L6996D的Datasheet PDF文件第3页浏览型号L6996D的Datasheet PDF文件第4页浏览型号L6996D的Datasheet PDF文件第5页浏览型号L6996D的Datasheet PDF文件第6页浏览型号L6996D的Datasheet PDF文件第7页 
L6996  
DINAMICALLY PROGRAMMABLE SYNCHRONOUS  
STEP DOWN CONTROLLER FOR MOBILE CPUs  
5 BIT DAC WITH AVAILABLE EXTERNAL  
OUTPUT VOLTAGE.  
0.6 TO 1.750V, DYNAMICALLY ADJUSTABLE  
OUTPUT VOLTAGE RANGE.  
±1% OUTPUT ACCURACY OVER LINE AND LOAD.  
ACTIVE DROOP.  
CONSTANT ON TIME TOPOLOGY ALLOWS  
LOW DUTY CYCLE AND FAST LOAD  
TRANSIENT.  
TSSOP24  
ORDERING NUMBERS: L6996D (TSSOP24)  
L6996DTR (Tape & Reel)  
90% EFFICIENCY FROM 12V TO 1.35V/8A.  
1.750V TO 28V BATTERY INPUT RANGE.  
OPERATING FREQUENCY UP TO 1MHZ.  
INTEGRATED HIGH CURRENT DRIVERS.  
LATCHED OVP AND UVP PROTECTIONS.  
OCP PROTECTION.  
DESCRIPTION  
The device is dc-dc controller specifically designed to  
provide extremely high efficiency conversion for mo-  
bile advanced microprocessors.  
The "constant on-time" topology assures fast load  
transient response. The embedded "voltage feedfor-  
ward" provides nearly constant switching frequency  
operation.  
A precise 5-bit DAC allows select output voltage from  
0.6V to 1V with 25mV steps and from 1V to 1.75V  
with 50mV steps.  
µ
350 A TYP. QUIESCENT CURRENT.  
µ
7 A TYP. SHUTDOWN SUPPLY CURRENT.  
PGOOD AND OVP SIGNALS.  
ZERO-CURRENT DETECTION AND PULSE-  
FREQUENCY MODE.  
APPLICATIONS  
ADVANCED MOBILE CPUs SUPPLY WITH  
DYNAMIC TRANSITIONS.  
NOTEBOOK/LAPTOP, CONCEPT PC CPUs  
SUPPLY.  
L6996 is capable of supporting CPUs VID combina-  
tion changing during normal operation.  
The active droop allows adjust both the output load-  
line slope and the zero-load output voltage.  
DC/DC FROM BATTERY SUPPLY EQUIPMENTS.  
APPLICATION DIAGRAM  
5V  
25V  
OSC  
5V  
BOOT  
HGATE  
HS  
LS  
L
R
V
SENSE  
OUT  
PHASE  
LGATE  
PGOOD  
OVP  
1.25V  
DS  
L6996  
PGND  
ILIM  
GND  
CS+  
CS-  
SS  
VFB-  
C
VFB+  
SS  
VPROG  
SHDN  
VID4:0  
C
VPROG  
July 2002  
1/26  

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