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L4987CPT120 PDF预览

L4987CPT120

更新时间： 2024-09-15 22:38:35
品牌 Logo 应用领域
意法半导体 - STMICROELECTRONICS 稳压器
页数 文件大小 规格书
11页 96K
描述
VERY LOW DROP VOLTAGE REGULATORS WITH INHIBIT AND DROPOUT CONTROL FLAG

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中文翻译

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L4987CPT120 技术参数

是否Rohs认证： 符合生命周期：Obsolete
零件包装代码：MODULE包装说明：TO-252, SMSIP5H,.37,50TB
针数：4Reach Compliance Code：not_compliant
ECCN代码：EAR99HTS代码：8542.39.00.01
风险等级：5.83可调性：FIXED
最大回动电压 1：0.7 V标称回动电压 1：0.3 V
最大绝对输入电压：40 V最大输入电压：18 V
最小输入电压：12.75 VJESD-30 代码：R-PSSO-G4
JESD-609代码：e3长度：6.5 mm
最大电网调整率：0.03%最大负载调整率：0.02%
功能数量：1输出次数：1
端子数量：4工作温度TJ-Max：125 °C
工作温度TJ-Min：-40 °C最大输出电流 1：0.2 A
最小输出电压 1：11.52 V标称输出电压 1：12 V
封装主体材料：PLASTIC/EPOXY封装代码：TO-252
封装等效代码：SMSIP5H,.37,50TB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调节器类型：FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR
座面最大高度：2.63 mm子类别：Other Regulators
表面贴装：YES技术：BIPOLAR
端子面层：Tin (Sn)端子形式：GULL WING
端子节距：1.27 mm端子位置：SINGLE
处于峰值回流温度下的最长时间：NOT SPECIFIED最大电压容差：4%
宽度：6.1 mmBase Number Matches：1

L4987CPT120 数据手册

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L4987  
SERIES  
VERY LOW DROP VOLTAGE REGULATORS  
WITH INHIBIT AND DROPOUT CONTROL FLAG  
■
VERY LOW DROPOUT VOLTAGE (0.25V  
TYP.)  
■
■
DROPOUTCONTROL FLAG  
VERY LOW QUIESCENT CURRENT  
(TYP. 90 µA IN OFF MODE, 500µA IN ON  
MODE)  
■
■
OUTPUT CURRENT UP TO 200 mA  
LOGIC-CONTROLLEDELECTRONIC  
SHUTDOWN  
■
■
■
■
■
OUTPUT VOLTAGESOF 3V, 5V 8.7V 12V  
INTERNAL CURRENT AND THERMAL LIMIT  
ONLY2.2µF FOR STABILITY  
AVAILABLEIN ± 2% SELECTION AT 25 oC  
SUPPLY VOLTAGEREJECTION: 70 dB (TYP.)  
PPAK  
DESCRIPTION  
part of the boad in standby, decreasing the total  
power consumption. The regulator employs an  
output pin (open collector) providing a logic signal  
when the pass transistor is in saturation at low  
input voltage, this signal can be used to prevent  
the pop-up phenomenon in the car radio. In  
battery powered systems (the cellular phone,  
notebook) it is possible to use the flag to monitor  
the battery charge status through the dropout of  
the regulator.  
The L4987 is a very low drop regulator available  
in PPAK. The very low drop-voltage (0.5V Max at  
200 mA) and the very low quiescent current make  
it particularly suitable for low noise, low power  
applications, and in battey powered systems. The  
input dump protection up to 40V makes it ideal for  
automotive applications.  
a
shutdown Logic  
Control function is available (pin2, TTL  
compatible). This means that when the device is  
used as a local regulator, it is possible to put a  
SCHEMATIC DIAGRAM  
1/11  
October 1998  
1234567...11

中文翻译

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