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MC34704AEPR2 PDF预览

MC34704AEPR2

更新时间: 2024-01-11 21:54:40
品牌 Logo 应用领域
飞思卡尔 - FREESCALE /
页数 文件大小 规格书
49页 2434K
描述
Multiple Channel DC-DC Power Management IC

MC34704AEPR2 技术参数

是否无铅: 不含铅是否Rohs认证: 符合
生命周期:Active零件包装代码:QFN
包装说明:HVQCCN, LCC56,.27SQ,16针数:56
Reach Compliance Code:compliant风险等级:5.14
Is Samacsys:N可调阈值:YES
模拟集成电路 - 其他类型:POWER SUPPLY MANAGEMENT CIRCUITJESD-30 代码:S-XQCC-N56
长度:7 mm湿度敏感等级:3
信道数量:8功能数量:1
端子数量:56最高工作温度:85 °C
最低工作温度:-20 °C封装主体材料:UNSPECIFIED
封装代码:HVQCCN封装等效代码:LCC56,.27SQ,16
封装形状:SQUARE封装形式:CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE
峰值回流温度(摄氏度):260电源:3/5 V
认证状态:Not Qualified座面最大高度:1 mm
子类别:Power Management Circuits最大供电电压 (Vsup):5.5 V
最小供电电压 (Vsup):2.7 V标称供电电压 (Vsup):3.6 V
表面贴装:YES温度等级:OTHER
端子形式:NO LEAD端子节距:0.4 mm
端子位置:QUAD处于峰值回流温度下的最长时间:40
宽度:7 mmBase Number Matches:1

MC34704AEPR2 数据手册

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Document Number: MC34704  
Rev. 3, 7/2008  
Freescale Semiconductor  
Advance Information  
Multiple Channel DC-DC Power  
Management IC  
34704  
The 34704 is a multi-channel Power Management IC (PMIC) used  
to address power management needs for various multimedia  
application microprocessors. Its ability to provide either 5 or 8  
independent output voltages with a single input power supply (2.7  
and 5.5V) together with its high efficiency, make it ideal for portable  
devices powered up by Li-Ion/polymer batteries or for USB powered  
devices as well.  
MULTI-CHANNEL IC  
The 34704 is housed in a 7x7mm, Pb-free, QFN56 and is capable  
of operating at a switching frequency of up to 2MHz. This makes it  
possible to reduce external component size and to implement full  
space efficient power management solutions.  
EP SUFFIX (PB-FREE)  
98ASA10751D  
Features  
• 8 DC/DC (34704A) or 5 DC/DC (34704B) switching regulators with  
up to ±2% output voltage accuracy  
56-PIN QFN  
• Dynamic voltage scaling on all regulators.  
• Selectable voltage mode control or current mode control on REG8  
• I2C programmability  
• Output under-voltage and over-voltage detection for each  
regulator  
ORDERING INFORMATION  
Temperature  
Package  
Device  
Range (T )  
A
MC34704AEP/R2  
MC34704BEP/R2  
-20°C to 85°C  
56 QFN EP  
• Over-current limit detection and short-circuit protection for each  
regulator  
• Thermal limit detection for each regulator, except REG7  
• Integrated compensation for REG1, REG3, REG6, and REG8  
• 5.0µA maximum shutdown current (All regulators are off, 5.5V VIN)  
• True cutoff on all of the boost and buck-boost regulators  
• Pb-free packaging designated by suffix code EP  
34704A/B  
V
V
BKL  
REG 8  
REG 4  
DDR  
DDR  
MEMORY  
I2C COMM  
GND  
V
CORE  
REG 3  
V
V
IO1  
REG 2  
REG 5  
LCD  
MPU  
IO2  
GND  
+5V  
PGND  
*REG 1  
VREF+ (5 to 16V)  
VREF- (-5 to -9V)  
*REG 6  
*REG 7  
* Available only in 34704A device  
Figure 1. 34704 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., 2008. All rights reserved.  

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