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L4987CPT33 PDF预览

L4987CPT33

更新时间: 2024-11-06 14:51:59
品牌 Logo 应用领域
意法半导体 - STMICROELECTRONICS 输出元件调节器
页数 文件大小 规格书
16页 319K
描述
3.3V FIXED POSITIVE LDO REGULATOR, 0.7V DROPOUT, PSSO4, PPAK-5

L4987CPT33 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:, 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 1:0.25 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:4 VJESD-30 代码:R-PSSO-G4
JESD-609代码:e3长度:6.5 mm
最大电网调整率:0.014%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
最大输出电压 1:3.432 V最小输出电压 1:2.76 V
标称输出电压 1:3.3 V封装主体材料:PLASTIC/EPOXY
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:12.7%
宽度:6.1 mmBase Number Matches:1

L4987CPT33 数据手册

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L4987Cxx  
Very low drop voltage regulators  
with inhibit and dropout control flag  
Features  
Very low dropout voltage (0.25 V typ.)  
Dropout control flag  
Very low quiescent current  
(Typ. 90 mA in OFF Mode, 500 mA in ON  
Mode)  
PPAK  
Output current up to 200 mA  
Logic-controlled electronic shutdown  
Output voltages of 3.3 V, 5 V  
Internal current and thermal limit  
Only 2.2 µF for stability  
notebook) it is possible to use the flag to monitor  
the battery charge status throuh the dropout of  
the regulator.  
Available in 2% selection at 25°C  
Supply voltage rejection: 70 dB (typ.)  
Description  
The L4987 is a very low drop regulator available  
in PPAK. The very low drop-voltage (0.5 V Max at  
200 mA) and the very low quiescent current make  
it particularly suitable for low noise, low power  
applications, and in battery powered systems.  
The input dump protection up to 40 V makes it  
ideal for automotive applications. a shutdown  
Logic Control function is available (pin 2, TTL  
compatible). This mns that when the device is  
used as a local regulator, it is possible to put a  
part of the boarin standby, decreasing the total  
power conumption. The regulator employs an  
output n (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,  
Table 1.  
Device summary  
Part number  
Order code  
Output voltage  
L4987Cxx33  
L4987Cxx50  
L4987CPT33TR  
L4987CPT50TR  
3.3 V  
5.0 V  
September 2007  
Rev. 6  
1/16  
www.st.com  
16  
 

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