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The LM20136 is a full featured synchronous buck regulator capable of delivering up to 6A of continuous output current. The current mode control loop can be compensated to be stable with virtually any type of output capacitor. For most cases, compensating the device only requires two external components, providing maximum flexibility and ease of use. The device is optimized to work over the input voltage range of 2.95V to 5.5V making it suitable for a wide variety of low voltage systems.
The device features internal over voltage protection (OVP) and over current protection (OCP) circuits for increased system reliability. A precision enable pin and integrated UVLO allows the turn on of the device to be tightly controlled and sequenced. Start-up inrush currents are limited by both an internally fixed and externally adjustable Soft-Start circuit. Fault detection and supply sequencing are possible with the integrated power good circuit.
The switching frequency of the LM20136 can be synchronized to an external clock by use of the SYNC pin. The SYNC pin is capable of synchronizing to input signals ranging from 500 kHz to 1.5 MHz
The LM20136 is designed to work well in multi-rail power supply architectures. The output voltage of the device can be configured to track a higher voltage rail using the SS/TRK pin. If the output of the LM20136 is pre-biased at startup it will not pull the ouput low.
The LM20136 is offered in a 16-pin HTSSOP package with an exposed pad that can be soldered to the PCB, eliminating the need for bulky heatsinks.
| Typ | Titel | Datum | ||
|---|---|---|---|---|
| * | Data sheet | LM20136 6A, Synchronous Buck Regulator with Input Synchronization datasheet (Rev. B) | 05 Apr 2013 | |
| Selection guide | Buck Converter Quick Reference Guide (Rev. B) | 08 Apr 2021 | ||
| Selection guide | Power Management Guide 2018 (Rev. R) | 25 Jun 2018 | ||
| EVM User's guide | AN-1903 LM20136 Evaluation Board (Rev. A) | 05 Mai 2013 |
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The LM20136 is a full-featured synchronous buck switching regulator capable of driving up to 6A of load current. This device features a clock synchronization input that allows the switching frequency to be synchronized to an external clock source. The ability to adjust the operating frequency from (...)
| Gehäuse | Pins | CAD-Symbole, Footprints und 3D-Modelle |
|---|---|---|
| HTSSOP (PWP) | 16 | Ultra Librarian |
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