Datasheet > MIC47150

MIC47150

更新时间： 2024-10-29 14:55:23

品牌	Logo	应用领域
美国微芯 - MICROCHIP		/
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11页	575K
描述
The MIC47150 is a high-bandwidth, low-dropout, 1.5A voltage regulator that is ideal for powering

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MIC47150 数据手册

MIC47150

1.5A, Low Voltage, Adjustable, High-

Bandwidth LDO Regulator with Dual Input

Supplies

General Description

Features

The MIC47150 is a high-bandwidth, low-dropout, 1.5A volt-

age regulator ideal for powering core voltages of low-

power microprocessors. The MIC47150 implements a dual

supply conﬁguration allowing for very low output

impedance and very fast transient response.

• Input Voltage Range:

–

V_IN: 1.4V to 6.5V

_BIAS: 3.0V to 6.5V

• Stable with 1µF ceramic capacitor

• ±1% initial tolerance

The MIC47150 requires a bias input supply between 3V

and 6.5V for proper operation. The main input supply rail

operates from 1.4V to 6.5V that allows for adjustable

output voltages down to 0.9V.

• Maximum dropout voltage (V_IN–V_OUT) of 500mV

over temperature

• Adjustable output voltage down to 0.9V

• Ultra fast transient response (Up to 10MHz bandwidth)

• Excellent line and load regulation specifications

• Power D-Pak package (TO-252)

• Thermal shutdown and current-limit protection

• Junction temperature range: –40°C to +125°C

The MIC47150 requires a minimum of 1µF output

capacitance for stability, and optimal operation is achieved

with small ceramic capacitors.

The MIC47150 is available in a 5-pin power D-Pak

package (TO-252) with an operating temperature range of

–40°C to +125°C.

Datasheets and support documentation can be found on

Micrel’s web site at www.micrel.com.

Applications

• Graphics processors

• PC add-in cards

• Microprocessor core voltage supply

• Low voltage digital ICs

• High efficiency linear power supplies

• SMPS post regulators

__________________________________________________________________________________________

Typical Application*

Figure 1. Typical Application Circuit

*See Thermal Design Section

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

M9999-102309-A

October 2009

12 3 4 5 6 7...11

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