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LM2696 Datasheet(PDF) 1 Page - Texas Instruments |
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LM2696 Datasheet(HTML) 1 Page - Texas Instruments |
1 / 28 page RFB1 RFB2 SW L COUT VOUT LM2696 DCATCH GND FB CBOOT CBOOT CEXT EXTVCC CSS CAVIN CIN SS VIN PVIN AVIN RON RON SD PGOOD VPGOOD VSD CSD LM2696 www.ti.com SNVS375B – OCTOBER 2005 – REVISED APRIL 2013 LM2696 3A, Constant On Time Buck Regulator Check for Samples: LM2696 1 FEATURES DESCRIPTION The LM2696 is a pulse width modulation (PWM) buck 2 • Input Voltage Range of 4.5V–24V regulator capable of delivering up to 3A into a load. • Constant On-Time The control loop utilizes a constant on-time control • No Compensation Needed scheme with input voltage feed forward. This provides a topology that has excellent transient response • Maximum Load Current of 3A without the need for compensation. The input voltage • Switching Frequency of 100 kHz–500 kHz feed forward ensures that a constant switching • Constant Frequency Across Input Range frequency is maintained across the entire VIN range. • TTL Compatible Shutdown Thresholds The LM2696 is capable of switching frequencies in • Low Standby Current of 12 µA the range of 100 kHz to 500 kHz. Combined with an integrated 130 m Ω high side NMOS switch the • 130 m Ω Internal MOSFET Switch LM2696 can utilize small sized external components and provide high efficiency. An internal soft-start and APPLICATIONS power-good flag are also provided to allow for simple • High Efficiency Step-Down Switching sequencing between multiple regulators. Regulators The LM2696 is available with an adjustable output in • LCD Monitors an exposed pad HTSSOP-16 package. • Set-Top Boxes Typical Application Circuit 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 © 2005–2013, 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. - LM2696_15 |
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Similar Description - LM2696_15 |
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