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LP3988IMFX-2.85 PDF预览

LP3988IMFX-2.85

更新时间： 2024-11-30 22:05:07
品牌 Logo 应用领域
美国国家半导体 - NSC 稳压器
页数 文件大小 规格书
11页 290K
描述
Micropower, 150mA Ultra Low-Dropout CMOS Voltage Regulator With Power Good

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LP3988IMFX-2.85 技术参数

是否Rohs认证： 不符合生命周期：Transferred
包装说明：SOT-23, 5 PINReach Compliance Code：not_compliant
ECCN代码：EAR99HTS代码：8542.39.00.01
风险等级：5.13可调性：FIXED
最大回动电压 1：0.15 V标称回动电压 1：0.08 V
最大绝对输入电压：6.5 V最大输入电压：6 V
最小输入电压：2.5 VJESD-30 代码：R-PDSO-G5
JESD-609代码：e0长度：2.92 mm
最大电网调整率：0.0151%湿度敏感等级：1
功能数量：1输出次数：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 1：0.15 A
最大输出电压 1：2.9498 V最小输出电压 1：2.7503 V
标称输出电压 1：2.85 V封装主体材料：PLASTIC/EPOXY
封装代码：LSSOP封装等效代码：TSOP5/6,.11,37
封装形状：RECTANGULAR封装形式：SMALL OUTLINE, LOW PROFILE, SHRINK PITCH
包装方法：TAPE AND REEL峰值回流温度（摄氏度）：260
认证状态：Not Qualified调节器类型：FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR
座面最大高度：1.22 mm子类别：Other Regulators
表面贴装：YES技术：CMOS
端子面层：Tin/Lead (Sn85Pb15)端子形式：GULL WING
端子节距：0.953 mm端子位置：DUAL
处于峰值回流温度下的最长时间：40最大电压容差：3.5%
宽度：1.6 mmBase Number Matches：1

LP3988IMFX-2.85 数据手册

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August 2004  
LP3988  
Micropower, 150mA Ultra Low-Dropout CMOS Voltage  
Regulator With Power Good  
n 40dB PSRR at 10kHz  
General Description  
n ≤1 µA quiescent current when shut down  
The LP3988 is a 150mA low dropout regulator designed  
n Fast Turn-On time: 100 µs (typ.)  
specially to meet requirements of Portable battery-  
applications. The LP3988 is designed to work with a space  
saving, small 1µF ceramic capacitor. The LP3988 features  
an Error Flag output that indicates a faulty output condition.  
n 80 mV typ dropout with 150mA load  
n −40 to +125˚C junction temperature range for operation  
n 1.85V, 2.5V, 2.6V, 2.85V, 3.0V, and 3.3V  
The LP3988’s performance is optimized for battery powered  
systems to deliver low noise, extremely low dropout voltage  
and low quiescent current. Regulator ground current in-  
creases only slightly in dropout, further prolonging the bat-  
tery life.  
Features  
n 5 bump thin micro SMD package  
n SOT-23-5 package  
n Power-good flag output  
Power supply rejection is better than 60 dB at low frequen-  
cies and starts to roll off at 10 kHz. High power supply  
rejection is maintained down to lower input voltage levels  
common to battery operated circuits.  
n Logic controlled enable  
n Stable with ceramic and high quality tantalum capacitors  
n Fast turn-on  
n Thermal shutdown and short-circuit current limit  
The device is ideal for mobile phone and similar battery  
powered wireless applications. It provides up to 150 mA,  
from a 2.5V to 6V input, consuming less than 1 µA in disable  
mode and has fast turn-on time less than 200µs.  
Applications  
n CDMA cellular handsets  
n Wideband CDMA cellular handsets  
n GSM cellular handsets  
n Portable information appliances  
n Tiny 3.3V 5% to 2.85V, 150mA converter  
The LP3988 is available 5 pin SOT-23 package and 5 bump  
thin micro SMD package. Performance is specified for −40˚C  
to +125˚C temperature range and is available in 1.85, 2.5,  
2.6, 2.85, 3.0 and 3.3V output voltages.  
Key Specifications  
n 2.5 to 6.0V input range  
n 150mA guaranteed output  
Typical Application Circuit  
20020502  
© 2004 National Semiconductor Corporation  
DS200205  
www.national.com  
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