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LP5907SNX-3.2/NOPB PDF预览

LP5907SNX-3.2/NOPB

更新时间: 2024-11-24 11:08:07
品牌 Logo 应用领域
德州仪器 - TI 电源电路线性稳压器IC
页数 文件大小 规格书
13页 774K
描述
具有低 IQ 和使能功能的 250mA、低噪声、高 PSRR、超低压降稳压器 | DQN | 4 | -40 to 125

LP5907SNX-3.2/NOPB 数据手册

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May 9, 2012  
LP5907  
Ultra Low-Noise, 250 mA Linear Regulator for RF/Analog  
Circuits - Requires No Bypass Capacitor  
General Description  
Key Specifications  
The LP5907 is a linear regulator capable of supplying 250 mA  
output current. Designed to meet the requirements of RF/  
Analog circuits, the LP5907 device provides low noise, high  
PSRR, low quiescent current, and low line/load transient re-  
sponse figures. Using new innovative design techniques the  
LP5907 offers class-leading noise performance without a  
noise bypass capacitor and the ability for remote output ca-  
pacitor placement.  
Input voltage range  
2.2V to 5.5V  
1.2V to 4.5V  
250 mA  
Output voltage range  
Output current  
Low output voltage noise  
PSRR  
Output voltage tolerance  
Virtually zero IQ (disabled)  
Very low IQ (enabled)  
Startup time  
<10 μVRMS  
82 dB at 1kHz  
± 2%  
<1μA  
12 μA  
80 μs  
120 mV typ.  
The device is designed to work with a 1.0 μF input and a  
1.0 μF output ceramic capacitor. (No Bypass Capacitor is re-  
quired.)  
Low dropout  
The device is available in an ultra-thin micro SMD package.  
This device is available between 1.2V and 4.5V in 25 mV  
steps. Please contact Texas Instruments Sales for specific  
voltage option needs.  
Package  
4-Bump ultra-thin micro SMD  
0.35 mm pitch  
0.65 mm x 0.65 mm x  
0.40 mm  
(lead free)  
Features  
Stable with 1.0 μF Ceramic Input and Output Capacitors  
No Noise Bypass Capacitor Required  
Applications  
Cellular phones  
Remote Output Capacitor Placement  
PDA handsets  
Thermal-overload and short-circuit protection  
−40°C to +125°C junction temperature range for operation  
Wireless LAN devices  
Typical Application Circuit  
30180501  
© 2012 Texas Instruments Incorporated  
301805 SNVS798B  
www.ti.com  

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