收藏本站
Freescale Semiconductor ?
Advance Information
1.0 MHz Dual Switch-Mode DDR
Power Supply
The 34716 is a highly integrated, space-efficient, low cost, dual
synchronous buck switching regulator with integrated N-channel
power MOSFETs. It is a high performance point-of-load (PoL) power
supply with its second output having the ability to track an external
reference voltage. it provides a full power supply solution for Double-
Data-Rate (DDR) Memories.
Channel one provides a source only, 5.0 A drive capability, while
channel two can sink and source up to 3.0 A. Both channels are highly
efficient with tight output regulation. With its high current drive
capability, channel one can be used to supply the V DDQ to the
memory chipset. The second channel’s ability to track a reference
voltage makes it ideal to provide the termination voltage (V TT ) for
modern data buses. The 34716 also provides a buffered output
reference voltage (V REFOUT ) to the memory chipset
The 34716 offers the designer the flexibility of many control,
supervisory, and protection functions to allow for easy implementation
of complex designs. It is housed in a Pb-free, thermally enhanced,
and space efficient 26-pin exposed pad QFN.
Features
? 50 m ? integrated N-channel power MOSFETs
Document Number: MC34716
Rev 5.0, 4/2012
34716
DUAL SWITCH-MODE DDR POWER
SUPPLY
EP SUFFIX
98ASA10728D
26-PIN QFN
Range (T A )
? Input voltage operating range from 3.0 to 6.0 V
? ? 1% accurate output voltages, ranging from 0.7 to 3.6 V
? The second output tracks 1/2 an external reference voltage
? ? 1% accurate buffered reference output voltage
Device
ORDERING INFORMATION
Temperature
Package
? Programmable switching frequency range from 200 kHz to
MC34716EP/R2
-40 to 85 °C
26 QFN
1.0 MHz
? Programmable soft start timing for channel one
? Over-current limit and short-circuit protection on both channels
? Thermal shutdown
? Output over-voltage and under-voltage detection
? Active low power good output signal
? Active low standby and shutdown inputs.
34716
3.0 V to 6.0 V V I N
V DDQ
VIN
PVIN1
BOOT1
SW1
VOUT1
INV1
PVIN2
VREFIN
BOOT2
SW2
VOUT2
INV2
V DDQ
V TT
VDDQ
Termination
Resistors
COMP1
PGND1
VDDI
COMP2
VREFOUT
PGND2
V IN
DDR Memory
Chipset
V REF
Memory Bus
DDR Memory
Controller
FREQ
PG
ILIM1
GND
STBY
SD
MCU
Figure 1. 34716 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., 2007-2012. All rights reserved.
发布紧急采购，3分钟左右您将得到回复。

采购需求

(若只采购一条型号，填写一行即可)

发布成功！您可以继续发布采购。也可以进入我的后台，查看报价

发布成功！您可以继续发布采购。也可以进入我的后台，查看报价

*型号 *数量 厂商 批号 封装
添加更多采购

我的联系方式

*
*
*
相关PDF资料
KIT34717EPEVBE KIT EVAL BOARD 5A 1.0MHZ
KS-1787-MG SHELF SLIDING KEYBOARD ASSEMBLY
KS-1788 SHELF SLIDING KEYBOARD ASSEMBLY
KSDKSTM32-PL KIT IAR KICKSTART STM32 CORTEXM3
LC4064ZC-EV BOARD EVAL FOR ISPMACH 4064ZC
LCMXO2280C-C-EVN BOARD CONTROL EVAL MACHXO
LDB100-024SW LED POWER SUPPLY 24V 0-4A 100W
LDB150-048SW LED POWER SUPPLY 24V-48V 3.125A
相关代理商/技术参数
KIT34717EPEVBE 功能描述:电源管理IC开发工具 5.0 A 1.0MHZ FULLY INTEG RoHS:否 制造商:Maxim Integrated 产品:Evaluation Kits 类型:Battery Management 工具用于评估:MAX17710GB 输入电压: 输出电压:1.8 V
KIT34727FCEVBE 功能描述:电源管理IC开发工具 600MA HIGH EFFICIENCY LO RoHS:否 制造商:Maxim Integrated 产品:Evaluation Kits 类型:Battery Management 工具用于评估:MAX17710GB 输入电压: 输出电压:1.8 V
KIT34825EPEVME 功能描述:界面开发工具 MICRO USB INTERFACE IC RoHS:否 制造商:Bourns 产品:Evaluation Boards 类型:RS-485 工具用于评估:ADM3485E 接口类型:RS-485 工作电源电压:3.3 V
KIT34844AEPEVBE 功能描述:LED 照明开发工具 IC, 10 CHANNEL LED BACKLIGHT RoHS:否 制造商:Fairchild Semiconductor 产品:Evaluation Kits 用于:FL7732 核心: 电源电压:120V 系列: 封装:
KIT34844EPEVME 功能描述:LED 照明开发工具 MC34844 10-Ch LED BL Driver Eval Kit RoHS:否 制造商:Fairchild Semiconductor 产品:Evaluation Kits 用于:FL7732 核心: 电源电压:120V 系列: 封装:
KIT34845EPEVME 功能描述:LED 照明开发工具 IC, 6 CHANNEL LED BACKL RoHS:否 制造商:Fairchild Semiconductor 产品:Evaluation Kits 用于:FL7732 核心: 电源电压:120V 系列: 封装:
KIT34929EPEVME 功能描述:电源管理IC开发工具 1.0 A/ 28 V BRUSHLESS DC RoHS:否 制造商:Maxim Integrated 产品:Evaluation Kits 类型:Battery Management 工具用于评估:MAX17710GB 输入电压: 输出电压:1.8 V
KIT3500UZ 功能描述:KIT CAP CERM HI FREQ 1210 RoHS:是 类别:套件 >> 无源 - 电容器 系列:U 标准包装:1 系列:SP-Cap CD, CX, SL, SX 套件类型:聚合物，铝电解 值:135 件 - 39µF ~ 470µF，各 15 件 包装:- 安装类型:表面贴装 包括封装:7343-17，7343-20 产品目录页面:2651 (CN2011-ZH PDF) 工具箱内容:(15) PCE4991CT-ND - CAP ALUM 220UF 4V 20% SMD(15) PCE4990CT-ND - CAP ALUM 330UF 2V 20% SMD(15) PCE4989CT-ND - CAP ALUM 150UF 6.3V 20% SMD(15) PCE4988CT-ND - CAP ALUM 150UF 6.3V 20% SMD(15) PCE4943CT-ND - CAP ALUM 39UF 10V 20% SMD(15) PCE4823CT-ND - CAP ALUM 470UF 2V 20% SMD(15) PCE4816CT-ND - CAP ALUM 220UF 4V 20% SMD(15) PCE4479CT-ND - CAP ALUM 220UF 2V 20% SMD(15) PCE4472CT-ND - CAP ALUM 120UF 2V 20% SMD 其它名称:SP4-KIT