Datasheet > L4947L

L4947L

更新时间： 2024-09-26 21:17:47

品牌	Logo	应用领域
意法半导体 - STMICROELECTRONICS		局域网输出元件调节器
页数	文件大小	规格书
6页	277K
描述
5V FIXED POSITIVE LDO REGULATOR, 0.75V DROPOUT, PZFM5, ROHS COMPLIANT, PENTAWATT-5

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技术参数
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L4947L 技术参数

是否Rohs认证：	符合	生命周期：	Obsolete
零件包装代码：	ZFM	包装说明：	ROHS COMPLIANT, PENTAWATT-5
针数：	5	Reach Compliance Code：	compliant
ECCN代码：	EAR99	HTS代码：	8542.39.00.01
风险等级：	5.8	最大回动电压 1：	0.75 V
最大输入电压：	26 V	最小输入电压：	6 V
JESD-30 代码：	R-PZFM-T5	功能数量：	1
端子数量：	5	工作温度TJ-Max：	125 °C
工作温度TJ-Min：	-40 °C	最大输出电流 1：	0.5 A
最大输出电压 1：	5.2 V	最小输出电压 1：	4.8 V
标称输出电压 1：	5 V	封装主体材料：	PLASTIC/EPOXY
封装形状：	RECTANGULAR	封装形式：	FLANGE MOUNT
认证状态：	Not Qualified	调节器类型：	FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR
表面贴装：	NO	端子形式：	THROUGH-HOLE
端子位置：	ZIG-ZAG	Base Number Matches：	1

L4947L 数据手册

L4947

L4947R

5V-0.5A VERY LOW DROP REGULATOR WITH RESET

PRECISE OUTPUT VOLTAGE (5V ± 4%)

OVER FULL TEMPERATURE RANGE

(– 40 / 125 °C)

VERY LOW VOLTAGE DROP (0.75Vmax)

OVER FULL T RANGE

OUTPUT CURRENT UP TO 500mA

RESET FUNCTION

POWER-ON RESET DELAY PULSE DE-

FINED BY THE EXTERNAL CAPACITOR

+ 80V LOAD DUMP PROTECTION

– 80V LOAD DUMP PROTECTION

REVERSE VOLTAGE PROTECTION

SHORT CIRCUIT PROTECTION AND THER-

MAL SHUT-DOWN (with hysteresis)

Pentawatt

ORDERING NUMBERS:

L4947

L4947R

LOW START UP CURRENT

could fall as low as 6V. Furthermore, it incorpo-

rates a complete range of protection circuits

against the dangerous overvoltages always pre-

sent on the battery rail of the car. The reset func-

tion makes the device particularly suited to supply

microprocessor based systems : a signal is avail-

able (after an externally programmable delay) to

reset the microprocessor at power-on phase ; at

power-off, this signal becomes low inhibiting the

microprocessor.

DESCRIPTION

The L4947/L4947R is a monolithic integrated cir-

cuit in Pentawatt package specially designed to

provide a stabilized supply voltage for automotive

and industrial electronic systems. Thanks to its

very low voltage drop, in automotive applications

the L4947/L4947R can work correctly even during

the cranking phase, when the battery voltage

BLOCK DIAGRAM

This is advanced information on a new product now in development or undergoing evaluation. Details are subject to change without notice.

June 2000

1/6

12 3 4 5 6

中文翻译

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与L4947L相关器件

型号	品牌	获取价格	描述	数据表
L4947PD	STMICROELECTRONICS	获取价格	5V-0.5A VERY LOW DROP REGULATOR WITH RESET
L4947R	STMICROELECTRONICS	获取价格	5V-0.5A VERY LOW DROP REGULATOR WITH RESET
L4948	STMICROELECTRONICS	获取价格	QUAD VOLTAGE REGULATOR WITH INHIBIT AND RESET
L4949	MOTOROLA	获取价格	MULTIFUNCTION VERY LOW DROPOUT VOLTAGE REGULATOR
L4949	ONSEMI	获取价格	MULTIFUNCTION VERY LOW DROPOUT VOLTAGE REGULATOR
L4949_06	ONSEMI	获取价格	100 mA, 5.0 V, Low Dropout Voltage Regulator with Power−On Reset
L4949D	ONSEMI	获取价格	MULTIFUNCTION VERY LOW DROPOUT VOLTAGE REGULATOR
L4949D	MOTOROLA	获取价格	MULTIFUNCTION VERY LOW DROPOUT VOLTAGE REGULATOR
L4949DG	ONSEMI	获取价格	100 mA, 5.0 V, Low Dropout Voltage Regulator with Power−On Reset
L4949DN	STMICROELECTRONICS	获取价格	5V FIXED POSITIVE LDO REGULATOR, 0.5V DROPOUT, PDSO8, SO-8

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