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LP5907UVX-2.85-NOPB PDF预览

LP5907UVX-2.85-NOPB

更新时间： 2024-11-23 11:59:31
品牌 Logo 应用领域
德州仪器 - TI 稳压器射频
页数 文件大小 规格书
21页 1165K
描述
ULTRA LOW NOISE, 250-mA LINEAR REGULATOR FOR RF AND ANALOG CIRCUITS

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LP5907UVX-2.85-NOPB 数据手册

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LP5907  
www.ti.com  
SNVS798D –APRIL 2012–REVISED NOVEMBER 2012  
ULTRA LOW NOISE, 250-mA LINEAR REGULATOR FOR RF AND ANALOG CIRCUITS -  
REQUIRES NO BYPASS CAPACITOR  
Check for Samples: LP5907  
1
FEATURES  
•
Stable with 1-µF Ceramic Input and Output  
Capacitors  
PACKAGE  
•
4-Bump Ultra-Thin Micro SMD (Lead Free):  
•
•
•
•
No Noise Bypass Capacitor Required  
Remote Output Capacitor Placement  
Thermal-overload and Short-circuit Protection  
0.35-mm Pitch, 0.65 mm × 0.65 mm × 0.40 mm  
•
5-Pin SOT23 (Lead Free):  
2.92 mm x 1.6 mm x 1 mm  
–40°C to +125°C Junction Temperature Range  
for Operation  
xxx  
xxx  
APPLICATIONS  
Typical Application Circuit  
•
•
•
Cellular Phones  
PDA Handsets  
V
IN  
V
OUT  
OUTPUT  
INPUT  
1.0 mF  
1.0 mF  
Wireless LAN Devices  
LP5907  
KEY SPECIFICATIONS  
ENABLE  
GND  
V
EN  
•
•
•
•
•
•
•
•
•
•
Input Voltage Range: 2.2 V to 5.5 V  
Output Voltage Range: 1.2 V to 4.5 V  
Output Current: 250 mA  
GND  
SVA-30180501  
Low Output Voltage Noise: <10 µVRMS  
PSRR: 82 dB at 1 kHz  
Output Voltage Tolerance: ±2%  
Virtually Zero IQ (Disabled): <1 µA  
Very Low IQ (Enabled): 12 µA  
Startup Time: 80 µs  
Low Dropout: 120 mV Typical  
DESCRIPTION  
The LP5907 is a linear regulator capable of supplying 250-mA output current. Designed to meet the requirements  
of RF and analog circuits, the LP5907 device provides low noise, high PSRR, low quiescent current, and low line  
or load transient response figures. Using new innovative design techniques, the LP5907 offers class-leading  
noise performance without a noise bypass capacitor and the ability for remote output capacitor placement.  
The device is designed to work with a 1-µF input and a 1-µF output ceramic capacitor (no bypass capacitor is  
required).  
The device is available in an ultra-thin micro SMD package as well as a 5-pin SOT23 package. This device is  
available between 1.2 V and 4.5 V in 25-mV steps. Please contact Texas Instruments Sales for specific voltage  
option needs.  
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.  
PRODUCTION DATA information is current as of publication date.  
Copyright © 2012, Texas Instruments Incorporated  
Products conform to specifications per the terms of the Texas  
Instruments standard warranty. Production processing does not  
necessarily include testing of all parameters.  
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