Datasheet > 33981_09

33981_09

更新时间： 2022-09-18 16:12:24

品牌	Logo	应用领域
飞思卡尔 - FREESCALE		开关
页数	文件大小	规格书
37页	3934K
描述
Single High Side Switch

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33981_09 数据手册

Document Number: MC33981

Rev. 8.0, 6/2009

Freescale Semiconductor

Advance Information

Single High Side Switch (4.0 mΩ),

PWM clock up to 60 kHz

33981

The 33981 is a high frequency, self-protected 4.0 mΩ R_DS(ON)high

side switch used to replace electromechanical relays, fuses, and

discrete devices in power management applications.

HIGH SIDE SWITCH

The 33981 can be controlled by Pulse-width Modulation (PWM) with

a frequency up to 60 kHz. It is designed for harsh environments, and it

includes self-recovery features. The 33981 is suitable for loads with high

inrush current, as well as motors and all types of resistive and inductive

loads.

The 33981 is packaged in a 12 x 12 non-leaded power-enhanced

Power QFN package with exposed tabs.

Features

• Single 4.0 mΩ R_DS(ON)maximum high side switch

• PWm capability up to 60 kHz with duty cycle from 5% to 100%

• Very low standby current

Bottom View

PNA (Pb-Free Suffix)

98ARL10521D

16-PIN PQFN (12 X 12)

• Slew rate control with external capacitor

• Over-current and over-temperature protection, under-voltage

shutdown and fault reporting

• Reverse battery protection

• Gate drive signal for external low side N-channel MOSFET with

protection features

ORDERING INFORMATION

Temperature

Device

Package

Range (T )

• Output current monitoring

• Temperature feedback

• Pb-free packaging designated by suffix code PNA

16 PQFN

MC33981BPNA/R2 -40°C to 125°C

PWR

33981

CONF

VPWR

CBOOT

I/O

INLS

OUT

DLS

I/O

MCU

I/O

INHS

A/D

TEMP

CSNS

GLS

OCLS SR GND

Figure 1. 33981 Simplified Application Diagram

* This document contains certain information on a new product.

Specifications and information herein are subject to change without notice.

12 3 4 5 6 7...37

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