See datasheet for actual packaging/pinout drawings

Packaging

Package | PIN:

PWP | 16

Temp:

Q (-40 to 125)

ECO Plan:

Green (RoHS & no Sb/Br)

LM20133MH/NOPB


2.95-5.5V, 3A, Current Mode Synchronous Buck Regulator with Input Sync and Optional Automotive Grade

TI Store Price:

 
 
Qty.Price
1 - 9 $ 3.75
10 - 24 $ 3.38
25 - 99 $ 3.08
100 - 249 $ 2.78
250 - 499 $ 2.51
500 - 749 $ 2.12
750 - 999 $ 1.79
1000 - 9999 $ 1.50

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Texas Instruments LM20133MH/NOPB

The LM20133 is a full featured synchronous buck regulator capable of delivering up to 3A 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 suited 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 is possible with the integrated power good circuit.

The switching frequency of the LM20133 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 LM20133 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 LM20133 is pre-biased at startup it will not sink current to pull the output low until the internal soft-start ramp exceeds the voltage at the feedback pin.

The LM20133 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.

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