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LM27313-Q1 데이터시트(PDF) 1 Page - Texas Instruments |
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LM27313-Q1 데이터시트(HTML) 1 Page - Texas Instruments |
1 / 25 page LM27313 SW FB GND VIN SHDN U1 R3 51k SHDN GND 5 VIN C1 2.2 2F R2 13.3k CF 220 pF D1 MBR0520 R1/117k L1/10 2H C2 4.7 2F 12V OUT 260 mA (TYP) Product Folder Sample & Buy Technical Documents Tools & Software Support & Community LM27313, LM27313-Q1 SNVS487E – DECEMBER 2006 – REVISED 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- 1 • LM27313-Q1 is an Automotive-Grade Product that mode boost converter with a fixed operating is AEC-Q100 Grade 1 Qualified (–40°C to +125°C frequency of 1.6 MHz. Operating Junction Temperature) The use of the SOT-23 package, made possible by • 30-V DMOS FET Switch the minimal losses of the 800-mA switch, and the • 1.6-MHz Switching Frequency small inductors and capacitors result in extremely • Low RDS(ON) DMOS FET high power density. The 30-V internal switch makes these solutions perfect for boosting to voltages of 5 V • Switch Current up to 800 mA to 28 V. • Wide Input Voltage Range (2.7 V to 14 V) This device has a logic-level shutdown pin that can • Low Shutdown Current (< 1 µA) be used to reduce quiescent current and extend • 5-Lead SOT-23 Package battery life. • Uses Tiny Capacitors and Inductors Protection is provided through cycle-by-cycle current • Cycle-by-Cycle Current Limiting limiting and thermal shutdown. Internal compensation • Internally Compensated simplifies design and reduces component count. 2 Applications Device Information(1) PART NUMBER PACKAGE BODY SIZE (NOM) • White LED Current Source LM27313 • PDAs and Palm-Top Computers SOT-23 (5) 2.90 mm x 1.60 mm LM27313-Q1 • Digital Cameras (1) For all available packages, see the orderable addendum at • Portable Phones, Games, and Media Players the end of the data sheet. • GPS Devices Typical Application Circuit Efficiency vs. Load Current 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. |
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