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| 型号： | MAX17000EVKIT+ |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 1/32页 |
| 文件大小： | 0K |
| 描述： | KIT EVAL FOR MAX17000 |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 1 |
| 主要目的： | 特殊用途 DC/DC，DDR 存储器电源 |
| 输出及类型： | 3，非隔离 |
| 功率 - 输出： | 19.8W |
| 输出电压： | 1.8V，0.9V，0.9V |
| 电流 - 输出： | 10A，2A，3mA |
| 输入电压： | 7 ~ 20 V |
| 稳压器拓扑结构： | 降压 |
| 频率 - 开关： | 300kHz |
| 板类型： | 完全填充 |
| 已供物品： | 板 |
| 已用 IC / 零件： | MAX17000 |
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EVALUATION KIT AVAILABLE
MAX17000
Complete DDR2 and DDR3 Memory
Power-Management Solution
General Description
The MAX17000 pulse-width modulation (PWM) con-
troller provides a complete power solution for notebook
DDR, DDR2, and DDR3 memory. It comprises a step-
down controller, a source/sink LDO regulator, and a ref-
erence buffer to generate the required VDDQ, VTT, and
VTTR rails.
The VDDQ rail is supplied by a step-down converter
using Maxim’s proprietary Quick-PWM? controller. The
high-efficiency, constant-on-time PWM controller han-
dles wide input/output voltage ratios (low duty-cycle
applications) with ease and provides 100ns response
to load transients while maintaining a relatively constant
switching frequency. The Quick-PWM architecture cir-
cumvents the poor load-transient timing problems of
fixed-frequency current-mode PWMs while also avoid-
ing the problems caused by widely varying switching
frequencies in conventional constant-on-time and con-
stant-off-time PWM schemes. The controller senses the
current to achieve an accurate valley current-limit pro-
tection. It is also built in with overvoltage, undervoltage,
and thermal protections. The MAX17000 can be set to
run in three different modes: power-efficient SKIP
mode, low-noise forced-PWM mode, and standby
mode to support memory in notebook computer stand-
Features
o SMPS Regulator (VDDQ)
Quick-PWM with 100ns Load-Step Response
Output Voltages—Preset 1.8V, 1.5V, or
Adjustable 1.0V to 2.5V
1% V OUT Accuracy Over Line and Load
26V Maximum Input Voltage Rating
Accurate Valley Current-Limit Protection
200kHz to 600kHz Switching Frequency
o Source/Sink Linear Regulator (VTT)
±2A Peak Source/Sink
Low-Output Capacitance Requirement
Output Voltages-Preset VDDQ/2 or REFIN
Adjustable from 0.5V to 1.5V
o Low Quiescent Current Standby State
o Soft-Start/Soft-Shutdown
o SMPS Power-Good Window Comparator
o VTT Power-Good Window Comparator
o Selectable Overvoltage Protection
o Undervoltage/Thermal Protections
o ±3mA Reference Buffer (VTTR)
Ordering Information
by operation. The switching frequency is programma-
PART
TEMP RANGE
PIN-PACKAGE
ble from 200kHz to 600kHz to allow small components
and high efficiency. The VDDQ output voltage can be
set to a preset 1.8V or 1.5V, or be adjusted from 1.0V to
2.5V by an external resistor-divider. This output has 1%
accuracy over line-and-load operating range.
The MAX17000 includes a ±2A source/sink LDO regu-
lator for the memory termination VTT rail. This VTT regu-
lator has a ±5mV deadband that either sources or
sinks, ideal for the fast-changing load burst present in
MAX17000ETG+ -40 ° C to +85 ° C 24 TQFN-EP*
+Denotes a lead(Pb)-free/RoHS-compliant package.
*EP = Exposed pad.
Pin Configuration
TOP VIEW
memory termination applications. This feature also
18
17
16
15
14
13
reduces output capacitance requirements.
V DD 19
12
CSL
The VTTR reference buffer sources and sinks ±3mA,
providing the reference voltage needed by the memory
controller and devices on the memory bus.
The MAX17000 is available in a 24-pin, 4mm x 4mm,
TQFN package.
Applications
Notebook Computers
PGND1 20
AGND 21
SKIP 22
V CC 23
SHDN 24
MAX17000ETG+
11
10
9
8
7
FB
REFIN
VTTI
VTT
PGND2
DDR, DDR2, and DDR3 Memory Supplies
1
2
3
4
5
6
SSTL Memory Supplies
TQFN
Quick-PWM is a trademark of Maxim Integrated Products, Inc.
4mm x 4mm
For pricing, delivery, and ordering information, please contact Maxim Direct
at 1-888-629-4642, or visit Maxim’s website at www.maximintegrated.com.
19-4125; Rev 2; 4/13
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX17000EVKIT+ | 功能描述:电源管理IC开发工具 MAX17000 Eval Kit 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 |
| MAX17003AETJ+ | 功能描述:电压模式 PWM 控制器 Quad Out Main Power Supply Controller RoHS:否 制造商:Texas Instruments 输出端数量:1 拓扑结构:Buck 输出电压:34 V 输出电流: 开关频率: 工作电源电压:4.5 V to 5.5 V 电源电流:600 uA 最大工作温度:+ 125 C 最小工作温度:- 40 C 封装 / 箱体:WSON-8 封装:Reel |
| MAX17003AETJ+T | 功能描述:电压模式 PWM 控制器 Quad Out Main Power Supply Controller RoHS:否 制造商:Texas Instruments 输出端数量:1 拓扑结构:Buck 输出电压:34 V 输出电流: 开关频率: 工作电源电压:4.5 V to 5.5 V 电源电流:600 uA 最大工作温度:+ 125 C 最小工作温度:- 40 C 封装 / 箱体:WSON-8 封装:Reel |
| MAX17003ETJ+ | 功能描述:电压模式 PWM 控制器 Quad Out Main Power Supply Controller RoHS:否 制造商:Texas Instruments 输出端数量:1 拓扑结构:Buck 输出电压:34 V 输出电流: 开关频率: 工作电源电压:4.5 V to 5.5 V 电源电流:600 uA 最大工作温度:+ 125 C 最小工作温度:- 40 C 封装 / 箱体:WSON-8 封装:Reel |
| MAX17003ETJ+T | 功能描述:电压模式 PWM 控制器 Quad Out Main Power Supply Controller RoHS:否 制造商:Texas Instruments 输出端数量:1 拓扑结构:Buck 输出电压:34 V 输出电流: 开关频率: 工作电源电压:4.5 V to 5.5 V 电源电流:600 uA 最大工作温度:+ 125 C 最小工作温度:- 40 C 封装 / 箱体:WSON-8 封装:Reel |
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