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L6996

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

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中文翻译

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L6996 数据手册

 浏览型号L6996的Datasheet PDF文件第2页浏览型号L6996的Datasheet PDF文件第3页浏览型号L6996的Datasheet PDF文件第4页浏览型号L6996的Datasheet PDF文件第5页浏览型号L6996的Datasheet PDF文件第6页浏览型号L6996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  
1234567...26

中文翻译

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与L6996相关器件

型号 品牌 获取价格 描述 数据表
L6996D STMICROELECTRONICS

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 		DINAMICALLY PROGRAMMABLE SYNCHRONOUS STEP DOWN CONTROLLER FOR MOBILE CPUs
L6996DTR STMICROELECTRONICS

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 		DINAMICALLY PROGRAMMABLE SYNCHRONOUS STEP DOWN CONTROLLER FOR MOBILE CPUs
L6997 STMICROELECTRONICS

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 		STEP DOWN CONTROLLER FOR LOW VOLTAGE OPERATIONS
L6997D STMICROELECTRONICS

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 		STEP DOWN CONTROLLER FOR LOW VOLTAGE OPERATIONS
L6997DTR STMICROELECTRONICS

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 		STEP DOWN CONTROLLER FOR LOW VOLTAGE OPERATIONS
L6997S STMICROELECTRONICS

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 		STEP DOWN CONTROLLER FOR LOW VOLTAGE OPERATIONS
L6997STR STMICROELECTRONICS

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 		STEP DOWN CONTROLLER FOR LOW VOLTAGE OPERATIONS
L6999 HAMAMATSU

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 		The best light source is supported by the best electrode technology
L6999-50 HAMAMATSU

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 		The best light source is supported by the best electrode technology
L6999-51 HAMAMATSU

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 		UV-VIS FIBER LIGHT SOURCE

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