STEVAL-ISA024V1 datasheet(1/4 Pages) STMICROELECTRONICS

部件名	STEVAL-ISA024V1

功能描述	20 A step-down DC-DC converter demonstration board with 3.3 Vout and 250 kHz switching frequency, based on the L6725

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制造商	STMICROELECTRONICS [STMicroelectronics]

网页	http://www.st.com

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Data Brief

For further information contact your local STMicroelectronics sales office.

September 2008

Rev 1

1/4

4

STEVAL-ISA024V1

20 A step-down DC-DC converter demonstration board with

3.3 Vout and 250 kHz switching frequency, based on the L6725

Features

■ Input voltage, VIN: from 4.5 V to 14 V

■ Output voltage: 3.3 V

■ Selectable switching frequency: 250 kHz / 500

kHz

■ Over-voltage protection

■ Thermal shutdown

Description

This 4-layer PCB demonstration board is

designed as a step-down DC-DC converter to

demonstrate the operation of the L6725 device in

a general-purpose application. The input voltage

can range from 4.5 V to 14 V with an output

voltage of 3.3 V. The module can deliver an output

current in excess of 20 A. The L6725 device can

manage minimum ON times (TON) shorter than

100 ns. This makes possible conversions with

very low duty cycles and very high switching

frequencies. The switching frequency is initially

set at 250 kHz (controller free-running FSW), but

a switching frequency of 500 kHz can also be

selected.

STEVAL-ISA024V1

www.st.com

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STEVAL-ISA024V1 数据表(PDF) 1 Page - STMicroelectronics

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类似零件编号 - STEVAL-ISA024V1

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