Datenblatt-Suchmaschine für elektronische Bauteile |
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LM2694 Datenblatt(PDF) 1 Page - Texas Instruments |
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LM2694 Datenblatt(HTML) 1 Page - Texas Instruments |
1 / 26 page VIN SW BST LM2694 VCC SS RON/SD 8V - 30V Input C1 RON R2 R1 C2 VOUT L1 C3 C4 D1 C6 RTN ISEN SGND FB SHUTDOWN R3 LM2694 www.ti.com SNVS444A – MAY 2006 – REVISED APRIL 2013 LM2694 30V, 600 mA Step Down Switching Regulator Check for Samples: LM2694 1 FEATURES DESCRIPTION The LM2694 Step Down Switching Regulator features 2 • Integrated N-Channel Buck Switch all of the functions needed to implement a low cost, • Integrated Start-Up Regulator efficient, buck bias regulator capable of supplying • Input Voltage Range: 8V to 30V 0.6A to the load. This buck regulator contains an N- Channel Buck Switch, and is available in the 3 x 3 • No Loop Compensation Required thermally enhanced WSON-10 package and a • Ultra-Fast Transient Response TSSOP-14 package. The feedback regulation • Operating Frequency Remains Constant with scheme requires no loop compensation, results in Load Current and Input Voltage Variations fast load transient response, and simplifies circuit implementation. The operating frequency remains • Maximum Duty Cycle Limited During Start-Up constant with line and load variations due to the • Adjustable Output Voltage inverse relationship between the input voltage and • Valley Current Limit At 0.6A the on-time. The valley current limit results in a smooth transition from constant voltage to constant • Maximum Switching Frequency: 1 MHz current mode when current limit is detected, reducing • Precision Internal Reference the frequency and output voltage, without the use of • Low Bias Current foldback. Additional features include: VCC under- voltage lockout, thermal shutdown, gate drive under- • Highly Efficient Operation voltage lockout, and maximum duty cycle limiter. • Thermal Shutdown Package TYPICAL APPLICATIONS • WSON-10 (3 mm x 3 mm) w/Exposed Pad • High Efficiency Point-Of-Load (POL) Regulator • TSSOP-14 • Non-Isolated Telecommunication Buck Regulator • Secondary High Voltage Post Regulator Basic Step Down Regulator 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 © 2006–2013, 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. |
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