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LM4510 データシート(PDF) 1 Page - Texas Instruments |
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LM4510 データシート(HTML) 1 Page - Texas Instruments |
1 / 23 page VIN 2.7V ± 5.5V 4.7 PF LOAD PGND EN AGND COMP SS FB L = 4.7 PH VIN SW VOUT CIN CS RF1 RF2 CC1 RC CC2 VOUT 16.0V COUT 10 PF 240k 20.5k 46.4k 2.2 nF 15 pF 10 nF LM4510 www.ti.com SNVS533C – SEPTEMBER 2007 – REVISED MAY 2013 LM4510 Synchronous Step-Up DC/DC Converter with True Shutdown Isolation Check for Samples: LM4510 1 FEATURES APPLICATIONS 2 • 18V@80 mA from 3.2V Input • Organic LED Panel Power Supply • 5V@280 mA from 3.2V Input • Charging Holster • No External Schottky Diode Required • White LED Backlight • 85% Peak Efficiency • USB Power Supply • Soft Start • Class D Audio Amplifier • True Shutdown Isolation • Camera Flash LED Driver • Stable with Small Ceramic or Tantalum Output DESCRIPTION Capacitors The LM4510 is a current mode step-up DC/DC • Output Short-Circuit Protection converter with a 1.2A internal NMOS switch designed • Feedback Fault Protection to deliver up to 120 mA at 16V from a Li-Ion battery. • Input Under-Voltage Lock Out The device's synchronous switching operation (no • Thermal Shutdown external Schottky diode) at heavy-load, and non- • 0.002 µA Shutdown Current synchronous switching operation at light-load, maximizes power efficiency. • Wide Input Voltage Range: 2.7V to 5.5V True shutdown function by synchronous FET and • 1.0 MHz Fixed Frequency Operation related circuitry ensures input and output isolation. • Low-profile 10–pin SON Package (3mm x 3mm x 0.8mm) A programmable soft-start circuit allows the user to limit the amount of inrush current during startup. The output voltage can be adjusted by external resistors. Typical Application Circuit Figure 1. Typical Application Circuit 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. 2 All trademarks are the property of their respective owners. PRODUCTION DATA information is current as of publication date. Copyright © 2007–2013, 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. |
同様の部品番号 - LM4510 |
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同様の説明 - LM4510 |
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