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L4956 PDF预览

L4956

更新时间: 2024-09-25 22:47:23
品牌 Logo 应用领域
意法半导体 - STMICROELECTRONICS 线性稳压器IC调节器电源电路输出元件局域网
页数 文件大小 规格书
8页 82K
描述
5A LOW DROP LINEAR REGULATOR

L4956 技术参数

是否无铅: 含铅是否Rohs认证: 不符合
生命周期:Obsolete零件包装代码:ZFM
包装说明:ZIP, ZIP7,.2,.1TB针数:7
Reach Compliance Code:not_compliantECCN代码:EAR99
HTS代码:8542.39.00.01风险等级:5.41
Is Samacsys:N可调性:ADJUSTABLE
最大回动电压 1:1.1 V标称回动电压 1:1.5 V
最大输入电压:6.5 V最小输入电压:3 V
JESD-30 代码:R-PZFM-T7JESD-609代码:e0
最大电网调整率 (%/V):0.24最大负载调整率 (%):0.4%
功能数量:1输出次数:1
端子数量:7工作温度TJ-Max:125 °C
工作温度TJ-Min:最大输出电流 1:5 A
最大输出电压 1:1.28 V最小输出电压 1:1.24 V
标称输出电压 1:1.26 V封装主体材料:PLASTIC/EPOXY
封装代码:ZIP封装等效代码:ZIP7,.2,.1TB
封装形状:RECTANGULAR封装形式:FLANGE MOUNT
峰值回流温度(摄氏度):NOT SPECIFIED认证状态:Not Qualified
调节器类型:FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR子类别:Other Regulators
表面贴装:NO技术:BCDMOS
端子面层:Tin/Lead (Sn/Pb)端子形式:THROUGH-HOLE
端子节距:1.27 mm端子位置:ZIG-ZAG
处于峰值回流温度下的最长时间:NOT SPECIFIEDBase Number Matches:1

L4956 数据手册

 浏览型号L4956的Datasheet PDF文件第2页浏览型号L4956的Datasheet PDF文件第3页浏览型号L4956的Datasheet PDF文件第4页浏览型号L4956的Datasheet PDF文件第5页浏览型号L4956的Datasheet PDF文件第6页浏览型号L4956的Datasheet PDF文件第7页 
L4956  
5A LOW DROP LINEAR REGULATOR  
SPLITTED SUPPLY VOLTAGE FOR IM-  
PROVED EFFICIENCY:  
MULTIPOWER BCD TECHNOLOGY  
- VPW: 3V MIN. POWER SUPPLY VOLTAGE  
- VSIG: 4.5VMIN. SIGNAL SUPPLYVOLTAGE  
5A OUTPUT CURRENT  
FAST LOAD TRANSIENT RESPONSE  
0.75V TYP. DROP OUT VOLTAGE AT 5A  
INHIBIT WITH ZEROCURRENT COMSUMPTION  
POWER GOOD  
HEPTAWATT  
SHORT CIRCUIT PROTECTION  
THERMAL SHUTDOWN  
ORDERING NUMBER: L4956  
HEPTAWATT PACKAGE  
Designed in BCDII technology, it uses a charge  
pump technique to have a proper internal N-chan-  
nel gate drive. The signal supply voltage input  
VSIG can operate from 4.5V up to an absolute of  
7V and the power supply voltage input VPW can  
opearte from 3V min to an absolute of 7V. An  
RDSON of 150mV gives a voltagedrop of 750mV  
at 5A of load current.  
APPLICATIONS  
PENTIUM AND POWER PC SUPPLIES  
LOW COST SOLUTION FOR 3.3V TO 1.5V  
CONVERSION  
SUITABLE FOR APPLICATIONS WITH  
STAND BY FEATURE  
Very fast load transients and ±1% of reference  
voltage precision makes this device suitable for  
supplying last micrprocessors generation and low  
voltage logics.  
DESCRIPTION  
The L4956 is an adjustable monolithic linear regu-  
lator designed to satisfy very heavy load transient  
and efficient power conversion from 3.3V to 1.26V  
and lower, up to 5A.  
The Heptawatt package enriches the device with  
auxiliary functions like power good and inhibit.  
TYPICAL APPLICATION  
INH  
PG  
VPW=3.3Vbus  
VPW  
OUT  
ADJ  
VO  
3
6
1
2
7
5
R1  
R2  
VSIG  
=
VSIG  
L4956  
5Vbus  
C2  
4
C1  
C3  
GND  
D96IN374B  
1/8  
March 1998  

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