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33981B PDF预览

33981B

更新时间: 2022-04-23 23:00:11
品牌 Logo 应用领域
飞思卡尔 - FREESCALE 开关时钟
页数 文件大小 规格书
37页 1043K
描述
Single High-Side Switch (4.0 mз), PWM clock up to 60kHz

33981B 数据手册

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Document Number: MC33981  
Rev. 6.0, 5/2007  
Freescale Semiconductor  
Advance Information  
Single High-Side Switch  
(4.0 m), PWM clock up to 60kHz  
33981B  
The 33981 is a high-frequency, self-protected 4.0 mRDS(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 in-rush 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 mRDS(ON) Maximum High-Side Switch  
• PWM Capability up to 60 kHz with Duty Cycle from 5% to 100%  
• Very Low Standby Current  
• Slew Rate Control with External Capacitor  
• Overcurrent and Overtemperature Protection, Undervoltage  
Shutdown and Fault Reporting  
Bottom View  
PNA (Pb-Free Suffix)  
98ARL10521D  
16-PIN PQFN (12 X 12)  
• Reverse Battery Protection  
• Gate Drive Signal for External Low-Side N-Channel MOSFET with  
Protection Features  
ORDERING INFORMATION  
Temperature  
Package  
Device  
Range (T )  
• Output Current Monitoring  
A
• Temperature Feedback  
• Pb-Free Packaging Designated by Suffix Code PNA  
16 PQFN  
MC33981BPNA/R2 -40°C to 125°C  
V
DD  
V
PWR  
V
DD  
33981  
CONF  
VPWR  
CBOOT  
I/O  
I/O  
FS  
INLS  
EN  
OUT  
DLS  
I/O  
MCU  
I/O  
INHS  
A/D  
A/D  
TEMP  
CSNS  
M
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.  
© Freescale Semiconductor, Inc., 2007. All rights reserved.  

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