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LM27313-Q1 PDF预览

LM27313-Q1

更新时间: 2024-11-26 11:13:51
品牌 Logo 应用领域
德州仪器 - TI 升压转换器开关
页数 文件大小 规格书
26页 872K
描述
具有 30V 内部 FET 开关并采用 SOT-23 封装的 1.6MHz 升压转换器,符合 AEC-Q100 标准

LM27313-Q1 数据手册

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LM27313, LM27313-Q1  
SNVS487E DECEMBER 2006REVISED JANUARY 2015  
LM27313/-Q1 1.6-MHz Boost Converter With 30-V Internal FET Switch in SOT-23  
1 Features  
3 Description  
The LM27313/-Q1 switching regulator is a current-  
mode boost converter with  
frequency of 1.6 MHz.  
1
LM27313-Q1 is an Automotive-Grade Product that  
is AEC-Q100 Grade 1 Qualified (–40°C to +125°C  
Operating Junction Temperature)  
a
fixed operating  
The use of the SOT-23 package, made possible by  
the minimal losses of the 800-mA switch, and the  
small inductors and capacitors result in extremely  
high power density. The 30-V internal switch makes  
these solutions perfect for boosting to voltages of 5 V  
to 28 V.  
30-V DMOS FET Switch  
1.6-MHz Switching Frequency  
Low RDS(ON) DMOS FET  
Switch Current up to 800 mA  
Wide Input Voltage Range (2.7 V to 14 V)  
Low Shutdown Current (< 1 µA)  
5-Lead SOT-23 Package  
This device has a logic-level shutdown pin that can  
be used to reduce quiescent current and extend  
battery life.  
Uses Tiny Capacitors and Inductors  
Cycle-by-Cycle Current Limiting  
Internally Compensated  
Protection is provided through cycle-by-cycle current  
limiting and thermal shutdown. Internal compensation  
simplifies design and reduces component count.  
Device Information(1)  
2 Applications  
PART NUMBER  
LM27313  
PACKAGE  
BODY SIZE (NOM)  
White LED Current Source  
PDAs and Palm-Top Computers  
Digital Cameras  
SOT-23 (5)  
2.90 mm x 1.60 mm  
LM27313-Q1  
(1) For all available packages, see the orderable addendum at  
the end of the data sheet.  
Portable Phones, Games, and Media Players  
GPS Devices  
Typical Application Circuit  
Efficiency vs. Load Current  
D1  
MBR0520  
L1/10 PH  
5 V  
IN  
U1  
SW  
LM27313  
FB  
V
IN  
12V  
OUT  
R3  
51k  
R1/117k  
SHDN  
GND  
260 mA  
(TYP)  
SHDN  
GND  
C1  
2.2 PF  
CF  
220 pF  
C2  
4.7 PF  
R2  
13.3k  
1
An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications,  
intellectual property matters and other important disclaimers. PRODUCTION DATA.  
 
 
 
 

LM27313-Q1 替代型号

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