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LM53600NQDSXRQ1 Datasheet(PDF) 1 Page - Texas Instruments |
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LM53600NQDSXRQ1 Datasheet(HTML) 1 Page - Texas Instruments |
1 / 44 page SW BOOT RESET AGND VIN SYNC/ MODE GND EN VCC FB (DAP) LM53600 LM53601 CIN VPU RPU VSUPPLY CVCC CBOOT L1 COUT 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. LM53600-Q1, LM53601-Q1 SNAS660B – JUNE 2015 – REVISED FEBRUARY 2016 LM53600/01-Q1, 0.65A/1A, 36V Synchronous, 2.1MHz, Automotive Step Down DC-DC Converter 1 1 Features 1 • Qualified for Automotive Applications • AEC-Q100 Qualified With the Following Results: – Device Temperature Grade 1: –40°C to 125°C Ambient Operating Temperature Range – Device HBM Classification Level 2 – Device CDM Classification Level C5 • –40°C to 150°C Junction Temperature Range • Wide Operating Input Voltage: 3.55 V to 36 V (With Transient to 42 V) • Spread Spectrum Option Available • 2.1-MHz Fixed Switching Frequency • Low Quiescent Current: 23 μA • Shutdown Current: 1.8 µA • Adjustable, 3.3-V, or 5-V Output • Maximum Current Load: 650 mA for LM53600-Q1, 1000 mA for LM53601-Q1 • Pin Selectable Forced PWM Mode • RESET Output with Filter and Delay Release • External Frequency Synchronization • Internal Compensation, Soft Start, Current Limit, and UVLO • 10-Lead, 3-mm x 3-mm SON Package with Wettable Flanks 2 Applications • Automotive Camera Applications • Automotive Driver Assistance Systems • Automotive Body Applications space 3 Description The LM53600-Q1 and LM53601-Q1 synchronous buck regulator devices are optimized for automotive applications, providing an output voltage of 5 V, 3.3 V, or an adjustable output. Load current up to 650 mA is supported by the LM53600-Q1, while the LM53601-Q1 supports up to 1000 mA. Advanced high-speed circuitry allows the LM53600-Q1 and LM53601-Q1 devices to regulate from an input of 18 V to an output of 3.3 V at a fixed frequency of 2.1 MHz. Innovative architecture allows the device to regulate a 3.3-V output from an input voltage of only 3.8 V. The input voltage range up to 36 V, with transient tolerance of up to 42 V, eases input surge protection design. An open drain reset output, with filtering and delayed release, provides a true indication of system status. This feature negates the requirement for an additional supervisory component, saving cost and board space. Seamless transitions between PWM and PFM modes, along with a quiescent current of only 23 µA, ensures high efficiency and superior transient response at all loads. Few external components are needed allowing the generation of compact PCB layout. While the LM53600-Q1 and LM53601-Q1 devices are Q1 rated, electrical characteristics are guaranteed across a junction temperature range of –40°C up to 150°C. Device Information(1) PART NUMBER PACKAGE BODY SIZE (NOM) LM53600-Q1 WSON (10) 3.00 mm x 3.00 mm LM53601-Q1 (1) For all available packages, see the orderable addendum at the end of the data sheet. Simplified Schematic – Fixed Output Automotive 11.2-mm x 12.7-mm Layout |
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