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LP3997MMX-3.3/NOPB PDF预览

LP3997MMX-3.3/NOPB

更新时间： 2024-11-06 21:16:47
品牌 Logo 应用领域
德州仪器 - TI 光电二极管输出元件调节器
页数 文件大小 规格书
17页 946K
描述
3.3V FIXED POSITIVE LDO REGULATOR, 0.4V DROPOUT, PDSO8, MSOP-8

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LP3997MMX-3.3/NOPB 技术参数

是否Rohs认证： 符合生命周期：Obsolete
包装说明：TSSOP, TSSOP8,.19Reach Compliance Code：compliant
ECCN代码：EAR99HTS代码：8542.39.00.01
风险等级：5.69可调性：FIXED
最大回动电压 1：0.4 V标称回动电压 1：0.14 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 VJESD-30 代码：S-PDSO-G8
JESD-609代码：e3长度：3 mm
最大电网调整率：0.0168%最大负载调整率：0.0199%
湿度敏感等级：1功能数量：1
输出次数：1端子数量：8
工作温度TJ-Max：125 °C工作温度TJ-Min：-40 °C
最大输出电流 1：0.25 A最大输出电压 1：3.399 V
最小输出电压 1：3.201 V标称输出电压 1：3.3 V
封装主体材料：PLASTIC/EPOXY封装代码：TSSOP
封装等效代码：TSSOP8,.19封装形状：SQUARE
封装形式：SMALL OUTLINE, THIN 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：1.09 mm
子类别：Other Regulators表面贴装：YES
技术：CMOS端子面层：Matte Tin (Sn)
端子形式：GULL WING端子节距：0.65 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%宽度：3 mm
Base Number Matches：1

LP3997MMX-3.3/NOPB 数据手册

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LP3997  
www.ti.com  
SNVS272B –MAY 2004–REVISED MAY 2013  
Micropower 250-mA CMOS LDO Regulator With Error Flag and Power-On-Reset  
Check for Samples: LP3997  
1
FEATURES  
DESCRIPTION  
The LP3997 regulator is designed to meet the  
requirements of portable, battery-powered systems,  
providing accurate output voltage, low noise, and low  
quiescent current. The LP3997 provides 3.3V output  
at up to 250mA load current. The chip architecture is  
capable of providing output voltages as low as 0.8V.  
When switched in shutdown mode, the power  
consumption is virtually zero.  
2
•
Low 140-mV Dropout at 250-mA Load  
Stable With Ceramic Capacitor.  
Low Noise With Bypass Capacitor  
Less Than 80 µA Typical IQ at 250 mA  
Virtually Zero IQ (Disabled)  
•
•
•
•
•
•
•
Thermal and Short Circuit Protection  
(1)  
3.3-V Output  
The LP3997 is designed to be stable with space  
saving ceramic output capacitor as small as 1µF.  
(2)  
8-Lead VSSOP Package  
The LP3997 also includes an out-of-regulation error  
flag. When the output is more than 5% below its  
nominal voltage, the error flag sets to low. If a  
capacitor is connected to device’s delay pin, a  
delayed power-on reset signal will be generated.  
APPLICATIONS  
•
•
•
•
•
Portable Consumer Electronics  
Cellular Handsets  
Laptop and Palm Computers  
PDAs  
Digital Cameras  
(1) For other voltage options, contact your TI sales office  
(2) For other package options, contact your TI sales office.  
Typical Application Circuit  
4
5
V
V
IN  
V
OUT  
IN  
V
OUT  
6
8
2
SENSE  
ERROR  
SD  
Enable  
470k  
LP3997  
7
Error/POR  
DELAY  
1
C
BYP  
GND  
3
0.1 mF  
2.2 mF  
0.1 mF  
2.2 mF  
1
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of  
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.  
All trademarks are the property of their respective owners.  
2
PRODUCTION DATA information is current as of publication date.  
Products conform to specifications per the terms of the Texas  
Instruments standard warranty. Production processing does not  
necessarily include testing of all parameters.  
Copyright © 2004–2013, Texas Instruments Incorporated  
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LP3997MMX-3.3/NOPB 替代型号

型号 品牌 替代类型 描述 数据表
LP3997MM-3.3/NOPB TI

完全替代

 具有电源正常指示和使能功能的 250mA、低压降稳压器 | DGK | 8 | -40 t

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