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MC33998DWR2 PDF预览

MC33998DWR2

更新时间： 2024-01-04 18:12:48
品牌 Logo 应用领域
摩托罗拉 - MOTOROLA 开关光电二极管
页数 文件大小 规格书
20页 243K
描述
7A SWITCHING REGULATOR, PDSO24, PLASTIC, SOIC-24

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中文翻译

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MC33998DWR2 技术参数

生命周期：Transferred零件包装代码：SOIC
包装说明：SOP, SOP24,.4针数：24
Reach Compliance Code：unknownECCN代码：EAR99
HTS代码：8542.39.00.01风险等级：5.2
Is Samacsys：N模拟集成电路 - 其他类型：SWITCHING REGULATOR
控制模式：CURRENT-MODE最大输入电压：26.5 V
最小输入电压：6 V标称输入电压：14 V
JESD-30 代码：R-PDSO-G24长度：15.395 mm
功能数量：1端子数量：24
最高工作温度：125 °C最低工作温度：-40 °C
最大输出电流：7 A封装主体材料：PLASTIC/EPOXY
封装代码：SOP封装形状：RECTANGULAR
封装形式：SMALL OUTLINE认证状态：Not Qualified
座面最大高度：2.65 mm表面贴装：YES
切换器配置：BUCK温度等级：AUTOMOTIVE
端子形式：GULL WING端子节距：1.27 mm
端子位置：DUAL宽度：7.5 mm
Base Number Matches：1

MC33998DWR2 数据手册

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MOTOROLA  
Document order number: MC33998/D  
Rev 1.0, 03/2003  
SEMICONDUCTOR TECHNICAL DATA  
Advance Information  
33998  
Switching Power Supply with Linear  
Regulators  
The 33998 is a medium-power, multi-output power supply integrated circuit  
that is capable of operating over a wide input voltage range, from 6.0 V up to  
26.5 V with 40 V transient capability. It incorporates a sensorless current  
mode control step-down switching controller regulating directly to 5.0 V. The  
2.6 V linear regulator uses an external pass transistor to reduce the 33998  
power dissipation. The 33998 also provides a 2.6 V linear standby regulator  
and two 5.0 V sensor supply outputs protected by internal low-resistance  
LDMOS transistors.  
POWER SUPPLY  
INTEGRATED CIRCUIT  
There are two separate enable pins for the main and sensor supply outputs  
and standard supervisory functions such as resets with power-up reset delay.  
The 33998 provides proper power supply sequencing for advanced  
microprocessor architectures such as the Motorola MPC5xx and 683xx  
microprocessor families.  
DW SUFFIX  
24-LEAD SOICW  
CASE 751E  
Features  
• Operating Voltage Range 6.0 V up to 26.5 V (40 V transient)  
• Step-Down Switching Regulator Output VDDH = 5.0 V @ 1400 mA (total)  
• Linear Regulator with External Pass Transistor VDDL = 2.6 V @ 400 mA  
• Low-Power Standby Linear Regulator VKAM = 2.6 V @ 10 mA  
ORDERING INFORMATION  
Temperature  
Device  
MC33998DW/R2  
Package  
• Two 5.0 V @ 200 mA (typical) Sensor Supplies VREF Protected Against  
Range (T )  
A
Short-to-Battery and Short-to-Ground with Retry Capability  
-40°C to 125°C  
24 SOICW  
• Undervoltage Shutdown on the VDDL, VDDH Outputs with Retry Capability  
• Reset Signals  
• Power-Up Delay  
• Enable Pins for Main Supplies (EN) and Sensor Supplies (SNSEN)  
• Power Sequencing for Advanced Microprocessor Architectures  
• SOIC-24WB Package  
33998 Simplified Application Diagram  
33998  
VDDH  
KA_V  
V
5.0 V  
PWR SW  
PWR  
V
V
V
V
DDH  
MCU  
5.0 V  
5.0 V  
REF1  
REF2  
DRVL  
FBL  
VDDL  
VKAM  
2.6 V  
2.6 V  
V
KAM  
EN  
SNSEN  
GND  
PWROK  
VKAMOK  
This document contains certain information on a new product.  
Specifications and information herein are subject to change without notice.  
© Motorola, Inc. 2003  
1234567...20

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