Datasheet > MIC24046

MIC24046

更新时间： 2024-09-21 01:19:59

品牌	Logo	应用领域
麦瑞 - MICREL		/
页数	文件大小	规格书
27页	2915K
描述
Pin-Programmable, 4.5V â 19V, 5A Step-Down Converter

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MIC24046 数据手册

MIC24046

Pin-Programmable, 4.5V − 19V, 5A

Step-Down Converter

General Description

Features

The MIC24046 is a pin-programmable, high–efficiency,

wide input range, 5A synchronous step-down regulator.

The MIC24046 is perfectly suited for multiple-voltage rail

application environments typically found in computing and

telecommunication systems. It can be programmed by pin

strapping various parameters, such as output voltage,

switching frequency, and current-limit values. The pin-

selectable switching frequency, valley-current mode

control technique, high–performance error amplifier, and

external compensation allow for the best trade-offs

between high efficiency and the smallest possible solution

size.

• 4.5V to 19V input voltage range

• 5A (maximum) output current

• High efficiency (>90%)

• Pin-selectable output voltages:

− 0.7V, 0.8V, 0.9V, 1.0V, 1.2V, 1.5V, 1.8V,

2.5V, and 3.3V

• ±1% output voltage accuracy

• Supports safe start-up with pre-biased output

• Pin-selectable current limit and switching frequency

• Internal soft-start and thermal shutdown protection

• Hiccup-mode short-circuit protection

• Available in a 20-pin 3mm × 3mm QFN package

• –40°C to +125°C junction temperature range

The MIC24046 is available in a thermally–efficient, space-

saving, 20–pin 3mm × 3mm QFN package with an

operating junction temperature range of –40°C to +125°C.

Datasheets and support documentation are available on

Micrel’s website at: www.micrel.com.

Applications

• Servers, data storage, routers, and base stations

• FPGAs, DSP, and low-voltage ASIC power

Typical Application

MIC24046 12V_IN5A DC/DC Converter

Micrel Inc. • 2180 Fortune Drive • San Jose, CA 95131 • USA • tel +1 (408) 944-0800 • fax + 1 (408) 474-1000 • http://www.micrel.com

October 14, 2015 Revision 1.1

12 3 4 5 6 7...27

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