Electronic Components Datasheet Search |
|
TPS56221 Datasheet(PDF) 1 Page - Texas Instruments |
|
|
TPS56221 Datasheet(HTML) 1 Page - Texas Instruments |
1 / 25 page VIN BOOT SW ILIM FB COMP PGD EN/SS TPS56221 BP VDD GND V IN V OUT V IN SD V OUT UDG-11045 TPS56221 www.ti.com SLUSAH5 – MARCH 2011 4.5-V to 14-V Input High-Current Synchronous Buck Converter Check for Samples: TPS56221 1 FEATURES DESCRIPTION 2 • 4.5-V to 14-V Input Voltage Range TPS56221 is a high-efficiency and high-current • Incorporates Power Block Technology synchronous buck converter designed to operate • Up to 25-A Output Current from a supply between 4.5 V and 14 V. The device is capable of producing an output voltage as low as • Fixed Frequency Options of 300 kHz, 500 kHz 0.6 V at loads up to 25 A. Integrated NexFET ™ and 1 MHz Power MOSFETs provide a small foot print and ease • High-Side and Low-Side MOSFET RDS(on) of use. Sensing The device implements a voltage-mode control with • Programmable Soft-Start voltage feed-forward compensation that responds • 600-mV Reference Voltage with 1% Accuracy instantly to input voltage change. • Voltage Mode Control with Feed-Forward TPS56221 is available in a thermally enhanced • Supports Pre-Biased Output 22-pin PQFN (DQP) PowerPAD ™ package. • Thermal Shutdown The device offers design flexibility with a variety of • 22-Pin 5 mm x 6 mm PQFN PowerPAD ™ user programmable functions, including soft-start, Package overcurrent protection (OCP) levels, and loop compensation. OCP levels are programmed by a single external resistor connected from the ILIM pin to APPLICATIONS the circuit ground. During the initial power-on • Point-of-Load (POL) Power Modules sequence, the device enters a calibration cycle, • High Density DC-DC Converters for Telecom measures the voltage at the ILIM pin, and sets an and Networking Applications internal OCP voltage level. During operation, the programmed OCP voltage level is compared to the voltage drop across the low-side FET when it is on to determine whether there is an overcurrent condition. It then enters a shutdown/restart cycle until the fault is removed. SIMPLIFIED APPLICATION 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 PowerPAD, NexFET are trademarks of Texas Instruments. PRODUCTION DATA information is current as of publication date. Copyright © 2011, 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. |
Similar Part No. - TPS56221 |
|
Similar Description - TPS56221 |
|
|
Link URL |
Privacy Policy |
ALLDATASHEET.NET |
Does ALLDATASHEET help your business so far? [ DONATE ] |
About Alldatasheet | Advertisement | Contact us | Privacy Policy | Link Exchange | Manufacturer List All Rights Reserved©Alldatasheet.com |
Russian : Alldatasheetru.com | Korean : Alldatasheet.co.kr | Spanish : Alldatasheet.es | French : Alldatasheet.fr | Italian : Alldatasheetit.com Portuguese : Alldatasheetpt.com | Polish : Alldatasheet.pl | Vietnamese : Alldatasheet.vn Indian : Alldatasheet.in | Mexican : Alldatasheet.com.mx | British : Alldatasheet.co.uk | New Zealand : Alldatasheet.co.nz |
Family Site : ic2ic.com |
icmetro.com |