Motore di ricerca datesheet componenti elettronici |
|
LM2854MH-1000 Scheda tecnica(PDF) 1 Page - Texas Instruments |
|
|
LM2854MH-1000 Scheda tecnica(HTML) 1 Page - Texas Instruments |
1 / 33 page PVIN AVIN EN AGND PGND FB SW LM2854 VIN VOUT SS CIN LO CO RFB1 RCOMP CCOMP RFB2 CSS Product Folder Sample & Buy Technical Documents Tools & Software Support & Community 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. LM2854 SNVS560D – MARCH 2008 – REVISED JANUARY 2016 LM2854 4-A 500-kHz / 1-MHz Synchronous SIMPLE SWITCHER® Buck Regulator 1 1 Features 1 • Input Voltage Range of 2.95 V to 5.5 V • Maximum Load Current of 4 A • Wide Bandwidth Voltage Mode Control Loop, Partial Internal Compensation • Fixed Switching Frequency of 500 kHz or 1 MHz • 35-m Ω Integrated MOSFET Switches • Adjustable Output Voltage Down to 0.8 V • Optimized Reference Voltage Initial Accuracy and Temperature Drift • External Soft-Start Control With Tracking Capability • Enable Pin With Hysteresis • Low Standby Current of 230 µA • Pre-Biased Load Start-up Capability • Integrated UVLO, OCP, and Thermal Shutdown • 100% Duty Cycle Capability • HTSSOP-16 Exposed Pad Package 2 Applications • Low Voltage POL Regulation from 5-V or 3.3-V Rail • Local Solution for FPGA/DSP/ASIC/µP Core or I/O Power • Broadband Networking and Communications Infrastructure • Portable Computing 3 Description The LM2854 PowerWise™ SIMPLE SWITCHER® buck regulator is a 500-kHz or 1-MHz step-down switching voltage regulator capable of driving up to a 4-A load with exceptional power conversion efficiency, line and load regulation, and output accuracy. The LM2854 can accept an input voltage rail between 2.95 V and 5.5 V, and deliver an adjustable and highly accurate output voltage as low as 0.8 V. Externally established soft-start with a small capacitor facilitates controlled start-up, and the LM2854 is capable of starting gracefully into a pre- biased output voltage. Partial internal compensation reduces the number of external passive components and PC board space typically necessary in a voltage mode buck converter application, yet preserving flexibility to deal with ceramic and/or electrolytic based load capacitors. Lossless cycle-by-cycle peak current limit is used to protect the load from an overcurrent or short-circuit fault, and an enable comparator simplifies sequencing applications. The LM2854 is available in an exposed pad HTSSOP-16 package that enhances the thermal performance of the regulator. Device Information(1) PART NUMBER PACKAGE BODY SIZE (NOM) LM2854 HTSSOP (16) 4.40 mm × 5.00 mm (1) For all available packages, see the orderable addendum at the end of the data sheet. Typical Application Circuit |
Codice articolo simile - LM2854MH-1000 |
|
Descrizione simile - LM2854MH-1000 |
|
|
Link URL |
Privacy Policy |
ALLDATASHEETIT.COM |
Lei ha avuto il aiuto da alldatasheet? [ DONATE ] |
Di alldatasheet | Richest di pubblicita | contatti | Privacy Policy | scambio Link | Ricerca produttore 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 |