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MC33702EK PDF预览

MC33702EK

更新时间: 2024-11-18 18:50:43
品牌 Logo 应用领域
恩智浦 - NXP 光电二极管
页数 文件大小 规格书
36页 697K
描述
IC,SMPS CONTROLLER,VOLTAGE-MODE,SSOP,32PIN,PLASTIC

MC33702EK 技术参数

是否Rohs认证: 符合生命周期:Transferred
包装说明:SSOP, SSOP32,.4Reach Compliance Code:unknown
风险等级:5.77控制模式:VOLTAGE-MODE
JESD-30 代码:R-PDSO-G32端子数量:32
最高工作温度:85 °C最低工作温度:-40 °C
封装主体材料:PLASTIC/EPOXY封装代码:SSOP
封装等效代码:SSOP32,.4封装形状:RECTANGULAR
封装形式:SMALL OUTLINE, SHRINK PITCH认证状态:Not Qualified
子类别:Switching Regulator or Controllers表面贴装:YES
最大切换频率:400 kHz温度等级:INDUSTRIAL
端子形式:GULL WING端子节距:0.635 mm
端子位置:DUALBase Number Matches:1

MC33702EK 数据手册

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MC33702  
Rev 4.0, 05/2005  
Freescale Semiconductor  
Technical Data  
3.0 A Switch-Mode Power  
Supply with Linear Regulator  
34702  
The 34702 provides the means to efficiently supply the Freescale  
Power QUICC™ I, II, and other families of Freescale  
microprocessors and DSPs. The 34702 incorporates a high-  
performance switching regulator, providing the direct supply for the  
microprocessor’s core, and a low dropout (LDO) linear regulator  
control circuit providing the microprocessor I/O and bus voltage.  
POWER SUPPLY  
INTEGRATED CIRCUIT  
The switching regulator is a high-efficiency synchronous buck  
regulator with integrated N-channel power MOSFETs to provide  
protection features and to allow space-efficient, compact design.  
The 34702 incorporates many advanced features; e.g., precisely  
maintained up/down power sequencing, ensuring the proper  
operation and protection of the CPU and power system.  
Features  
EK (Pb-FREE) SUFFIX  
98AARH99137A  
32-TERMINAL SOICW  
• Operating Voltage from 2.8 V to 6.0 V  
• High-Accuracy Output Voltages  
• Fast Transient Response  
• Switcher Output Current Up to 3.0 A  
• Undervoltage Lockout and Overcurrent Protection  
• Enable Inputs and Programmable Watchdog Timer  
• Voltage Margining via I2C™ Bus  
• Reset with Programmable Power-ON Delay  
• Pb-Free Packaging Designated by Suffix Code EK  
ORDERING INFORMATION  
Temperature  
Device  
Package  
Range (T )  
A
I2C is a trademark of Philips Corporation.  
MC34702EK/R2  
-40 to 85°C  
32 SOICW  
2.8 V to 6.0 V Input  
34702  
Other  
Circuits  
VIN2  
VIN1  
VBD  
VBST  
LDRV  
CS  
Adjustable:  
0.8 V to VIN -  
Dropout  
LDO  
LFB  
VDDH (I/Os)  
RT  
ADDR  
MPC8xxx  
SDA  
SCL  
PORESET  
RST  
GND  
Adjustable:  
0.8 V to VIN -  
Dropout  
VBST  
BOOT  
SW  
EN1  
VDDL (Core)  
EN2  
VOUT  
CLKSYN  
PGND  
CLKSEL  
FREQ  
INV  
Optional  
VDDI  
Figure 1. 34702 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., 2005. All rights reserved.  

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