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LM25037MTX Datasheet(PDF) 1 Page - Texas Instruments |
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LM25037MTX Datasheet(HTML) 1 Page - Texas Instruments |
1 / 37 page LM25037 UVLO PGND AGND COMP OUTB OUTA VCC SS RT1 REF RES CS VIN VIN VOUT RT2 FB RAMP Isolated Feedback Product Folder Sample & Buy Technical Documents Tools & Software Support & Community LM25037, LM25037-Q1 SNVS572E – JULY 2008 – REVISED JANUARY 2016 LM25037/-Q1 Dual-Mode PWM Controller With Alternating Outputs 1 Features 2 Applications 1 • Qualified for Automotive Applications • Telecom Power Converters • AEC-Q100 Qualified With the Following Results: • Industrial Power Converters • Automotive Power Converters (Q1 Version) – Device Temperature Grade 1: –40°C to +125°C Operating Junction Temperature 3 Description – Device HBM ESD Classification Level 2 The LM25037 PWM controller contains all the – Device CDM ESD Classification Level C4B features necessary to implement balanced double- • Alternating Outputs for Double-Ended Topologies ended power converter topologies, such as push-pull, • Ultra Wide Input Operating Range from 5.5 V to half-bridge and full-bridge. These double-ended topologies allow for higher efficiencies and greater 75 V power densities compared to common single-ended • Current-Mode or Feed-Forward Voltage-Mode topologies such as the flyback and forward. The Control LM25037 can be configured for either voltage mode • Programmable Maximum Duty Cycle Limit or current mode control with minimum external • 2% Feedback Reference Accuracy components. Two alternating gate drive outputs are provided, each capable of 1.2-A peak output current. • High Gain-Bandwidth Error Amplifier The LM25037 can be configured to operate directly • Programmable Line Undervoltage Lockout (UVLO) from the input voltage rail over an ultra-wide range of With Adjustable Hysteresis 5.5 V to 75 V. Additional features include • Versatile Dual Mode Overcurrent Protection With programmable maximum duty cycle limit, line undervoltage lockout, cycle-by-cycle current limit and Hiccup Delay Timer a hiccup mode fault protection with adjustable timeout • Programmable Soft-Start delay, soft-start and a 2-MHz capable oscillator with • Precision 5-V Reference Output synchronization capability, precision reference and • Current Sense Leading Edge Blanking thermal shutdown. • Resistor Programmed 2-MHz Capable Oscillator Device Information(1) • Oscillator Synchronization Capability With Low- PART NUMBER PACKAGE BODY SIZE (NOM) Frequency Lockout Protection LM25037 TSSOP (16) 5.00 mm × 4.40 mm • 16-Pin TSSOP LM25037-Q1 (1) For all available packages, see the orderable addendum at the end of the data sheet. Simplified Push-Pull Power Converter 1 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. |
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