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LM3677 Datasheet(PDF) 1 Page - Texas Instruments |
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LM3677 Datasheet(HTML) 1 Page - Texas Instruments |
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1 / 28 page  1 2 5 4 3 VIN SW FB EN GND L1: 1.0 PH VOUT COUT 10 PF CIN 4.7 PF LM3677- ADJ VIN 2.7V to 5.5V R1 R2 C1 C2 1 2 5 4 3 VIN SW FB EN GND L1: 1.0 PH VOUT COUT 10 PF CIN 4.7 PF LM3677 VIN 2.7V to 5.5V LM3677 www.ti.com SNVS502F – MARCH 2007 – REVISED MAY 2013 3MHz, 600mA Miniature Step-Down DC-DC Converter for Ultra Low Voltage Circuits Check for Samples: LM3677 1 FEATURES APPLICATIONS 2 • 16 µA typical quiescent current • Mobile Phones • 600 mA maximum load capability • PDAs • 3 MHz PWM fixed switching frequency (typ.) • MP3 Players • Automatic PFM/PWM mode switching • W-LAN • Available in 5-bump DSBGA package and 6-pin • Portable Instruments USON package • Digital Still Cameras • Internal synchronous rectification for high • Portable Hard Disk Drives efficiency • Internal soft start DESCRIPTION The LM3677 step-down DC-DC converter is • 0.01 µA typical shutdown current optimized for powering ultra-low voltage circuits from • Operates from a single Li-Ion cell battery a single Li-Ion cell battery and input voltage rails from • Only three tiny surface-mount external 2.7V to 5.5V. It provides up to 600 mA load current components required (solution size less than over the entire input voltage range. The LM3677 is 20 mm2) configured to different fixed voltage output options as well as an adjustable output voltage version range • Current overload and thermal shutdown from 1.2V to 3.3V. protection TYPICAL APPLICATION CIRCUITS Figure 1. Typical Application Circuit Figure 3. Efficiency vs. Output Current Figure 2. Typical Application Circuit - ADJ. (VOUT = 1.8V) Version 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. |
Similar Part No. - LM3677_15 |
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Similar Description - LM3677_15 |
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