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TPS62050 Fiches technique(PDF) 1 Page - Texas Instruments |
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TPS62050 Fiches technique(HTML) 1 Page - Texas Instruments |
1 / 30 page IO – Output Current – mA 50 30 10 0.01 0.1 1 10 60 70 100 100 1 k 80 20 0 40 90 VI = 7.2 V, VO = 5 V, SYNC = L FB PG VIN 8 LBO GND SYNC EN LBI PGND TPS62052 SW 1 6 7 3 2 9 5 4 10 Ci = 10 µF Co = 22 µF VO = 1.5 V / 800 mA L1 = 10 µH VI = 3.3 V to 10 V Product Folder Sample & Buy Technical Documents Tools & Software Support & Community TPS62050, TPS62051, TPS62052, TPS62054, TPS62056 SLVS432F – SEPTEMBER 2002 – REVISED JUNE 2015 TPS6205x 800-mA Synchronous Step-Down Converter 1 Features 3 Description The TPS6205x devices are a family of high-efficiency 1 • High-Efficiency Synchronous Step-Down synchronous step-down DC-DC converters that are Converter With up to 95% Efficiency ideally suited for systems powered from a 1- or 2-cell • 12-µA Quiescent Current (Typical) Li-Ion battery or from a 3- to 5-cell NiCd, NiMH, or • 2.7-V to 10-V Operating Input Voltage Range alkaline battery. • Adjustable Output Voltage Range: 0.7 V to 6 V The TPS6205x devices are synchronous pulse width • Fixed Output Voltage Options Available With modulation (PWM) converters with integrated N- and P-channel power MOSFET switches. Synchronous 1.5 V, 1.8 V, and 3.3 V rectification increases efficiency and reduces external • Synchronizable to External Clock: Up to 1.2 MHz component count. To achieve highest efficiency over • High-Efficiency Over a Wide Load Current Range a wide load current range, the converter enters a in Power-Save Mode power-saving pulse frequency modulation (PFM) mode at light load currents. Operating frequency is • 100% Maximum Duty Cycle for Lowest Dropout typically 850 kHz, allowing the use of small inductor • Low-Noise Operation in Forced Fixed- and capacitor values. The device can be Frequency PWM Operation Mode synchronized to an external clock signal in the range • Internal Softstart of 600 kHz to 1.2 MHz. For low noise operation, the converter can be programmed into forced-fixed • Overtemperature and Overcurrent Protected frequency in PWM mode. In shutdown mode, the • Available in 10-Pin Micro-Small Outline current consumption is reduced to less than 2 µA. Package MSOP The TPS6205x devices are available in the 10-pin (DGS) micro-small outline package (MSOP) and 2 Applications operates over a free air temperature range of –40°C to 85°C. • Cellular Phones • Organizers, PDAs, and Handheld PCs Device Information(1) • Low-Power DSP Supplies PART NUMBER PACKAGE BODY SIZE (NOM) • Digital Cameras and Hard Disks TPS62050 TPS62051 TPS62052 VSSOP (10) 3.00 mm × 3.00 mm TPS62054 TPS62056 (1) For all available packages, see the orderable addendum at the end of the data sheet. 4 Typical Application Schematic Efficiency vs Output 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. |
Numéro de pièce similaire - TPS62050_17 |
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Description similaire - TPS62050_17 |
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