Datasheet > ISL8225MEVAL3Z

ISL8225MEVAL3Z

更新时间： 2024-11-27 12:23:47

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ISL8225MEVAL3Z 30A, Single Output Evaluation Board Setup Procedure

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ISL8225MEVAL3Z 数据手册

Application Note 1790

ISL8225MEVAL3Z 30A, Single Output Evaluation Board

Setup Procedure

The ISL8225M is a complete, dual step-down switching mode

DC/DC module. The dual outputs can easily be paralleled for

Recommended Equipment

• 0V to 20V power supply with at least 10A source current

capability

single-output, high-current use. It is easy to apply this

high-power, current-sharing DC/DC power module to

power-hungry datacom, telecom, and FPGA applications. All

that is needed in order to have a complete, 30A design ready

for use are the ISL8225M, a few passive components, and

V_OUTsetting resistors.

• Electronic load capable of sinking current up to 30A

• Digital multimeters (DMMs)

• 100MHz quad-trace oscilloscope

The ease of use virtually eliminates design and manufacturing

risks while dramatically improving time to market.

Quick Start

The inputs are J1 (VIN) and J2 (GND). The outputs are J3 (VOUT)

and J4 (GND). Refer to Figure 1 for connections.

The simplicity of the ISL8225M is its off-the-shelf, unassisted

implementation. Patented module structure allows for higher

power density and better efficiency than competing solutions.

Patented current sharing in multi-phase operation greatly

reduces ripple currents, BOM costs, and complexity.

1. Connect a power supply capable of sourcing at least 10A to

the input (VIN J1 and GND J2) of the ISL8225MEVAL3Z

evaluation board, with a voltage between 4.5V to 20V.

Connect an electronic load or the device to be powered to

the output (VOUT J3 and GND J4) of the board. All

connections, especially the low voltage, high current V_OUT

lines, should be able to carry the desired load current and

should be made as short as possible.

The ISL8225MEVAL3Z evaluation board enables a single

output by paralleling two phases to deliver 30A continuous

load current. The ISL8225M supports input voltage from 4.5V

to 20V and the output voltage ranges from 0.6V to 6V. With the

single resistor modification, the output voltage can be easily

adjusted to different voltages.

2. Turn on the power supply. Measure the output voltage, V_OUT

which should be at 1.2V if the board is working properly.

3. The ISL8225MEVAL3Z is manufactured with a default V_OUT

value of 1.2V; if different output voltages are desired, board

Related Resources

See how-to

video at

intersil.com/

evid01

resistors can be exchanged to provide the desired V_OUT

Please refer to the table printed on the backside of the

evaluation board or Table 1 on page 2 for R_VSETresistor values,

which can be used to produce different output voltages.

LOAD

(0A~30A)

4.5V TO 20V

OUT

FIGURE 1. ISL8225MEVAL3Z BOARD IMAGE

December 3, 2012

AN1790.0

CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.

1-888-INTERSIL or 1-888-468-3774 | Intersil (and design) is a trademark owned by Intersil Corporation or one of its subsidiaries.

All other trademarks mentioned are the property of their respective owners.

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与ISL8225MEVAL3Z相关器件

型号	品牌	获取价格	描述	数据表
ISL8225MEVAL4Z	INTERSIL	获取价格	ISL8225MEVAL4Z Dual 15A/Optional 30A Cascadable Evaluation Board Setup Procedure
ISL8225MIRZ	INTERSIL	获取价格	Dual 15A/Single 30A Step-Down Power Module
ISL8225MIRZ-T	INTERSIL	获取价格	Dual 15A/Single 30A Step-Down Power Module
ISL8240M	RENESAS	获取价格	Dual 20A/Single 40A Step-Down Power Module
ISL8240MEVAL3Z	RENESAS	获取价格	Dual 20A/Single 40A Step-Down Power Module
ISL8240MEVAL4Z	RENESAS	获取价格	Dual 20A/Single 40A Step-Down Power Module
ISL8240MIRZ	RENESAS	获取价格	Dual 20A/Single 40A Step-Down Power Module
ISL8270M	RENESAS	获取价格	Digital DC/DC PMBus 25A Module
ISL8270MAIRZ	RENESAS	获取价格	Digital DC/DC PMBus 25A Module; MODULE40; Temp Range: -40° to 85°C
ISL8270MBIRZ	RENESAS	获取价格	暂无描述

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