NV890101MWTXGEVB【PDF 1/10 页】BOARD EVAL NV890101MWTX

NCV890101GEVB

NCV890101 Automotive

Grade High-Frequency

Buck Regulator Evaluation

Board User's Manual

Description

The NCV890101 demonstration board provides a convenient way to

evaluate a high-frequency buck converter design. No additional

components are required, other than dc supplies for the input and

enable voltages. An external clock can be used to synchronize the

switching frequency; and the board also provides a synchronization

output, enabling it to be used as a master. It is configured for a 3.3 V

output with a 2 MHz switching frequency and a 1.2 A maximum

output current, over the typical 4.5 V to 18 V automotive input voltage

range. In addition, the board regulates up to 36 V thanks to switching

frequency foldback.

Key Features

http://onsemi.com

EVAL BOARD USER’S MANUAL

3.3 V Output Voltage

2 MHz Switching Frequency

1.2 A Current Limit

Wide Input Voltage of 4.5 V to 36 V

Regulates through Load Dump Conditions

External Clock Synchronization up to 2.5 MHz

Synchronization Output

Automotive Grade

Figure 1. NCV890101GEVB Board Picture

? Semiconductor Components Industries, LLC, 2011

September, 2011 ? Rev. 2

Publication Order Number:

EVBUM2035/D

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