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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 / 30 page IOUT (mA) 100 90 80 70 60 50 40 0 5 10 15 20 25 30 35 40 45 50 55 60 65 70 VIN = 5.5V VIN = 4.5V VIN = 2.7V VIN = 3.6V VIN 2.7V ± 5.5V 4.7 2F LOAD PGND EN AGND COMP SS FB L = 4.7 2H VIN SW VOUT CIN CS RF1 RF2 CC1 RC CC2 VOUT 16.0V COUT 10 2F 240k 20.5k 46.4k 2.2 nF 15 pF 10 nF Product Folder Sample & Buy Technical Documents Tools & Software Support & Community LM4510 SNVS533D – SEPTEMBER 2007 – REVISED NOVEMBER 2014 LM4510 Synchronous Step-Up DC/DC Converter with True Shutdown Isolation 1 Features 3 Description The LM4510 is a current mode step-up DC/DC 1 • 18 V@ 80 mA from 3.2 V Input converter with a 1.2-A internal NMOS switch • 5 V @ 280 mA from 3.2 V Input designed to deliver up to 120 mA at 16 V from a Li- • No External Schottky Diode Required Ion battery. • 85% Peak Efficiency The device's synchronous switching operation (no • Soft Start external Schottky diode) at heavy-load, and non- synchronous switching operation at light-load, • True Shutdown Isolation maximizes power efficiency. • Stable with Small Ceramic or Tantalum Output True shutdown function by synchronous FET and Capacitors related circuitry ensures input and output isolation. • Output Short-Circuit Protection A programmable soft-start circuit allows the user to • Feedback Fault Protection limit the amount of inrush current during start-up. The • Input Undervoltage Lock Out output voltage can be adjusted by external resistors. • Thermal Shutdown The LM4510 features advanced short-circuit • 0.002-µA Shutdown Current protection to maximize safety during output to ground • Wide Input Voltage Range: 2.7 V to 5.5 V short condition. During shutdown the feedback • 1-MHz Fixed Frequency Operation resistors and the load are disconnected from the input to prevent leakage current paths to ground. • Low-profile 10-pin WSON Package (3 mm x 3 mm x 0.8 mm) Device Information(1) PART NUMBER PACKAGE BODY SIZE (NOM) 2 Applications LM4510 WSON (10) 3.00 mm x 3.00 mm • Organic LED Panel Power Supply (1) For all available packages, see the orderable addendum at • Charging Holster the end of the datasheet. • White LED Backlight space • USB Power Supply space • Class D Audio Amplifier • Camera Flash LED Driver Typical Application Circuit Efficiency at VOUT = 16 V 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. |
同様の部品番号 - LM4510 |
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同様の説明 - LM4510 |
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