LMZ12008EVAL: 5V @ 8A, 6 ~ 20Vin, Inductor On-Chip

Summary

The LMZ12010/8/6 SIMPLE SWITCHER® power modules are easy-to-use DC-DC solution capable of driving up to a 10, 8 or 6 ampere load. They are available in an innovative package that enhances thermal performance and allows for hand or machine soldering. The LMZ12010/8/6 can accept an input voltage rail between 6V and 20V.

The evaluation board is highly configurable. The output voltage can be adjusted to 5V, 3.3V, 2.5V or 1.2V with a jumper change. The external soft-start capacitor facilitates a controlled and adjustable startup rise time of the output. The board temperature can be measured with the onboard resistor and the UVLO can be adjusted by changing one resistor. In addition the board comes preconfigured with an LC input filter to pass CISPR-22 class B conducted and radiated emissions.

The LMZ12010 family is a reliable and robust solution with the following features: loss-less cycle-by-cycle valley current limit to protect for over current or short-circuit fault, thermal shutdown, input under-voltage lockout, and will start up into a pre-biased output.

Specifications

Manufacturer Texas Instruments
Category AC/DC and DC/DC Conversion
Sub-Category DC/DC SMPS - Single Output
Eval Board Part Number 296-49238-ND
Eval Board Supplier Texas Instruments
Eval Board Normally In Stock
Topology Step Down
Outputs and Type 1 Isolated
Output Voltage: Factory Set 1.2 V
2.5 V
3.3 V
5 V
Current Out 8 A
Voltage In 6 ~ 20 V
Efficiency @ Conditions >93%, 8V in, 5V @ 0.7 ~ 8 A
>92%, 12V in, 5V @ 3 ~ 8 A
>85%, 20V in, 5V @ 1.5 ~ 8 A
Voltage Out Range 0.8 ~ 6 V
Features Current Limit (Adj. or Fixed)
Internal Inductor
Over Voltage Protection
Short Circuit Protection
Shutdown, Enable, Standby
Soft Start
Thermal Protection
Under Voltage Protection, Brown-Out
Switching Frequency 350 kHz
Standby Current [Typical] 32 µA
Quiescent Current [Typical] 3 mA
Component Count + Extras 30 + 17
Internal Switch Yes
Design Author Texas Instruments
Application / Target Market Point of Load (PoL)
Standby Current [Maximum] - Not Given
Quiescent Current [Maximum] - Not Given
Main I.C. Base Part LMZ12008

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