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LM3475 데이터시트(PDF) 1 Page - Texas Instruments |
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LM3475 데이터시트(HTML) 1 Page - Texas Instruments |
1 / 24 page VOUT = 2.5V/2A CIN COUT RFB1 RFB2 L1 D1 Q1 10 PF 100 PF 10 PH 1k 2.15k Si2343 LM3475 VIN EN GND PGATE FB 1 2 3 4 5 CFF 1 nF VIN = 5V Product Folder Sample & Buy Technical Documents Tools & Software Support & Community LM3475 SNVS239C – OCTOBER 2004 – REVISED OCTOBER 2015 LM3475 Hysteretic PFET Buck Controller 1 Features 3 Description The LM3475 is a hysteretic P-FET buck controller 1 • Easy-to-Use Control Methodology designed to support a wide range of high efficiency • 0.8 V to VIN Adjustable Output Range applications in a very small SOT-23-5 package. The • High Efficiency (90% Typical) hysteretic control scheme has several advantages, including simple system design with no external • ±0.9% (±1.5% Over Temperature) Feedback compensation, stable operation with a wide range of Voltage components, and extremely fast transient response. • 100% Duty Cycle Capable Hysteretic control also provides high efficiency • Maximum Operating Frequency up to 2 MHz operation, even at light loads. The PFET architecture allows for low component count as well as 100% duty • Internal Soft-Start cycle and ultra-low dropout operation. • Enable Pin Device Information(1) 2 Applications PART NUMBER PACKAGE BODY SIZE (NOM) • TFT Monitor LM3475 SOT-23 (5) 1.60 mm × 2.90 mm • Auto PC (1) For all available packages, see the orderable addendum at • Vehicle Security the end of the data sheet. • Navigation Systems • Notebook Standby Supply • Battery Powered Portable Applications • Distributed Power Systems Typical Application 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. |
유사한 부품 번호 - LM3475_15 |
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유사한 설명 - LM3475_15 |
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