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MC34701EK PDF预览

MC34701EK

更新时间: 2024-02-16 04:54:07
品牌 Logo 应用领域
飞思卡尔 - FREESCALE 稳压器开关光电二极管
页数 文件大小 规格书
38页 739K
描述
1.5 A Switch-Mode Power Supply with Linear Regulator

MC34701EK 技术参数

是否Rohs认证: 符合生命周期:Obsolete
零件包装代码:SOIC包装说明:LEAD FREE, PLASTIC, SOICW-32
针数:32Reach Compliance Code:unknown
ECCN代码:EAR99HTS代码:8542.31.00.01
风险等级:5.75Is Samacsys:N
其他特性:ALSO CONTAINS BOOST REGULATOR模拟集成电路 - 其他类型:SWITCHING REGULATOR
控制模式:VOLTAGE-MODE控制技术:PULSE WIDTH MODULATION
最大输入电压:6 V最小输入电压:2.8 V
标称输入电压:3.3 VJESD-30 代码:R-PDSO-G32
JESD-609代码:e3长度:11 mm
湿度敏感等级:3功能数量:1
端子数量:32最高工作温度:85 °C
最低工作温度:-40 °C最大输出电流:1.5 A
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峰值回流温度(摄氏度):245
认证状态:Not Qualified座面最大高度:2.65 mm
子类别:Switching Regulator or Controllers表面贴装:YES
切换器配置:BUCK最大切换频率:400 kHz
温度等级:INDUSTRIAL端子面层:Matte Tin (Sn)
端子形式:GULL WING端子节距:0.65 mm
端子位置:DUAL处于峰值回流温度下的最长时间:30
宽度:7.5 mmBase Number Matches:1

MC34701EK 数据手册

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MC33701  
Rev 4.0, 05/2005  
Freescale Semiconductor  
Technical Data  
1.5 A Switch-Mode Power  
Supply with Linear Regulator  
34701  
The 34701 provides the means to efficiently supply the Freescale  
Power QUICC™ I, II, and other families of Freescale  
microprocessors and DSPs. The 34701 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 34701 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 1.5 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.  
MC34701EK/R2  
-40 to 85°C  
32 SOICW  
2.8 V to 6.0 V Input  
34701  
Other  
Circuits  
VIN2  
VIN1  
VBD  
VBST  
LDRV  
CS  
Adjustable:  
0.8 V to VIN -  
Dropout  
LDO  
LFB  
VDDH (I/Os)  
RT  
ADDR  
MPC8xxx  
PORESET  
SDA  
SCL  
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. 34701 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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