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参数资料
| 型号： | MAX8655EVKIT+ |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 1/23页 |
| 文件大小： | 0K |
| 描述： | KIT EVAL FOR MAX8655 |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 1 |
| 主要目的： | DC/DC，步降 |
| 输出及类型： | 1，非隔离 |
| 输出电压： | 1.2V |
| 电流 - 输出： | 20A |
| 输入电压： | 10.8 ~ 13.2 V |
| 稳压器拓扑结构： | 降压 |
| 频率 - 开关： | 600kHz |
| 板类型： | 完全填充 |
| 已供物品： | 板 |
| 已用 IC / 零件： | MAX8655 |
ATION
AILABL
19-3982; Rev 2; 10/10
KIT
EVALU E
AV
Highly Integrated, 25A, Wide-Input,
Internal MOSFET, Step-Down Regulator
General Description
The MAX8655 synchronous-PWM buck regulator oper-
ates from a 4.5V to 25V input and generates an output
voltage adjustable from 0.7V to 5.5V at loads up to 25A.
Integrated power MOSFETs provide a small footprint,
ease of layout, and reduced EMI. Removing the board
trace inductances ensures the highest efficiency at
high frequency.
The MAX8655 uses peak current-mode control architec-
ture with an adjustable (200kHz to 1MHz), constant-
switching frequency, which is externally synchronizable.
The MAX8655’s adjustable current limit uses the induc-
tor’s DC resistance to improve efficiency or an external
sense resistor for higher accuracy. Foldback type cur-
rent limit is available to reduce the power dissipation
under severe-overload or short-circuit conditions. A ref-
erence input is provided for use with a high-accuracy
external reference or for DDR and tracking applications.
Monotonic startup provides safe starting into a prebi-
ased output, where traditional step-down regulators
discharge the output capacitor during soft-start, creat-
ing a negative voltage at the output and possibly dam-
aging the load.
A 180° out-of-phase synchronization output is available
for synchronizing with another MAX8655.
An enable input is provided for on/off control and to
facilitate output sequencing. Output-voltage sensing for
programmable overvoltage protection is provided and
is independent of the feedback network to further
enhance the output overvoltage protection.
Overall, the MAX8655 provides enough flexibility for the
experienced user, as well as simplicity and ease of use
for non-power-supply engineers.
Applications
Features
o 25A Output Current
o Integrated Power MOSFETs
o Operates from 4.5V to 25V Supply
o 1% FB Voltage Accuracy Over Temperature
o Adjustable Output Voltage Down to 0.7V
o Adjustable Switching Frequency and External
Synchronization from 200kHz to 1MHz
o 180° Phase-Shifted Synchronization
o Adjustable Overcurrent Limit
o Adjustable Slope Compensation
o Selectable Current-Limit Mode: Latch-Off or
Automatic Recovery
o Monotonic Output Voltage Rise at Startup into
Prebias Output
o Output Sources and Sinks Current for DDR
Applications
o Enable Input
o Power-OK (POK) Output
o Adjustable Soft-Start
o Independently Adjustable Overvoltage Protection
Typical Operating Circuit
Point-of-Load Power Supplies
POWER-OK OUTPUT
POK
CS-
Telecom Power
Networking
FSYNC INPUT
FSYNC
CS+
Nonisolated DC-DC Power Modules
Servers and Workstations
Notebook Computers
SYNC OUTPUT
ENABLE INPUT
OFF
ON
SYNCO
EN
MAX8655
IN
VL
PVIN
IBA Power Supplies
VL
BST
VLGND
Ordering Information
INPUT 7V
LXB
LX
OUTPUT
0.7V TO 5.5V
UP TO 25A
TO 28V
PART
MAX8655ETN+
TEMP
RANGE
-40°C to +85°C
PIN-PACKAGE
56 TQFN-EP*
(8mm x 8mm)
PVIN
AVL
+Denotes a lead(Pb)-free/RoHS-compliant package.
*EP = Exposed pad.
Pin Configuration appears at end of data sheet.
________________________________________________________________ Maxim Integrated Products
For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642,
or visit Maxim’s website at www.maxim-ic.com.
1
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX8655EVKIT+ | 功能描述:电源管理IC开发工具 MAX8655/88 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 |
| MAX8657 | 功能描述:电流型 PWM 控制器 RoHS:否 制造商:Texas Instruments 开关频率:27 KHz 上升时间: 下降时间: 工作电源电压:6 V to 15 V 工作电源电流:1.5 mA 输出端数量:1 最大工作温度:+ 105 C 安装风格:SMD/SMT 封装 / 箱体:TSSOP-14 |
| MAX8658 | 功能描述:电流型 PWM 控制器 RoHS:否 制造商:Texas Instruments 开关频率:27 KHz 上升时间: 下降时间: 工作电源电压:6 V to 15 V 工作电源电流:1.5 mA 输出端数量:1 最大工作温度:+ 105 C 安装风格:SMD/SMT 封装 / 箱体:TSSOP-14 |
| MAX8659 | 功能描述:电流型 PWM 控制器 RoHS:否 制造商:Texas Instruments 开关频率:27 KHz 上升时间: 下降时间: 工作电源电压:6 V to 15 V 工作电源电流:1.5 mA 输出端数量:1 最大工作温度:+ 105 C 安装风格:SMD/SMT 封装 / 箱体:TSSOP-14 |
| MAX8659ETL+ | 制造商:Rochester Electronics LLC 功能描述: 制造商:Maxim Integrated Products 功能描述: |
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