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LM3880QMF-1AC Datasheet(PDF) 1 Page - Texas Instruments |
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LM3880QMF-1AC Datasheet(HTML) 1 Page - Texas Instruments |
1 / 29 page GND EN VCC FLAG 1 FLAG 2 FLAG 3 Enable Enable Enable Power Supply 1 Power Supply 2 Power Supply 3 Input Supply Enable 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. LM3880, LM3880-Q1 SNVS451K – AUGUST 2006 – REVISED FEBRUARY 2016 LM3880/LM3880-Q1 Simple Power Sequencer 1 1 Features 1 • Qualified for Automotive Applications • AEC-Q100 Qualified With the Following Results: – Device Temperature Grade: -40°C to 125°C Operating Junction Temperature Range • Easiest Method to Sequence Rails • Power-Up and Power-Down Control • Tiny Footprint • Low Quiescent Current of 25 µA • Input Voltage Range of 2.7 V to 5.5 V • Standard Timing Options Available • Customization of Timing and Sequence Available Through Factory Programmability 2 Applications • Advanced Driver Assistance Systems (ADAS) • Automotive Camera Modules • Security Cameras • Servers • Networking Elements • FPGA Sequencing • Microprocessor and Microcontroller Sequencing • Multiple Supply Sequencing 3 Description The LM3880 Simple Power Supply Sequencer offers the easiest method to control power up sequencing and power down sequencing of multiple Independent voltage rails. By staggering the startup sequence, it is possible to avoid latch conditions or large in-rush currents that can affect the reliability of the system. Available in a 6-pin SOT-23-6 package, the Simple Sequencer contains a precision enable pin and three open-drain output flags. When the LM3880 is enabled, the three output flags will sequentially release, after individual time delays, thus permitting the connected power supplies to start up. The output flags will follow a reverse sequence during power down to avoid latch conditions. EPROM capability allows every delay and sequence to be fully adjustable. Contact Texas Instruments if a nonstandard configuration is required. Device Information(1) PART NUMBER PACKAGE BODY SIZE (NOM) LM3880 DBV SOT (6) 2.90 mm x 1.60 mm LM3880-Q1 (1) For all available packages, see the orderable addendum at the end of the datasheet. Simple Power Supply Sequencing |
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