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19-3228; Rev 0; 3/04
MAX8525 Evaluation Kit
General Description
The MAX8525 evaluation kit (EV kit) demonstrates the
high-power, dynamically adjustable multiphase VRM
10.0 application circuit. This DC-DC converter steps
down high-voltage input, generating a precision, low-
voltage CPU-core V CC rail. The MAX8525 EV kit meets
the Intel VRM 10 CPU’s transient voltage specification
and includes logic-to-interface with the CPU power-
good signal. The MAX8525 EV kit consists of the
MAX8525 current-mode, step-down controller and the
MAX8523 high-speed, dual-phase MOSFET gate driver.
The MAX8525 EV kit includes rapid-active average cur-
rent sensing and voltage positioning, thereby reducing
power dissipation and bulk output-capacitance require-
ments. Quad-phase operation reduces input-ripple-cur-
rent requirements and output voltage ripple.
The MAX8525 EV kit is a fully assembled and tested cir-
cuit board that provides a digitally adjustable 0.8375V to
1.5875V output voltage range (6-bit, on-board DAC,
12.5mV increments) from a 12V input source. Each phase
delivers up to 25A output current for a total of 100A. The
EV kit operates at a 210kHz switching frequency and has
superior line- and load-transient responses. Two EV kits
can be paralleled for true 8-phase interleaved operation
up to 200A. The MAX8525 EV kit can easily be modified
to meet Intel’s VRM 10.x requirements. Contact the facto-
ry for details.
Features
o Quad-Phase Current-Mode EV Kit
o Parallel Operation for 200A Output
o VRM 10.0 Compatible (Easily Modified for VRM 10.x)
o Rapid-Active Average Current Sensing
o Fastest Voltage Positioning
o High-Speed Accuracy and Efficiency
o Low Bulk Output-Capacitor Count
o 12V Input Voltage
o 0.8375V to 1.5875V Output Voltage Range
(6-Bit DAC)
o 100A Load-Current Capability (25A Each Phase)
o 210kHz Switching Frequency (Adjustable)
o Dynamic VID Change
o Differential Remote Voltage Sensing
o Power-Good Output
o 28-Pin QSOP Package (MAX8525)
o 16-Pin QSOP Package (MAX8523)
o Fully Assembled and Tested
Ordering Information
PART
MAX8525EVKIT
TEMP RANGE
0 o C to +70 o C
IC PACKAGE
16 QSOP (MAX8523)
28 QSOP (MAX8525)
Component List
DESIGNATION
C1, C2, C5, C6,
C9,
C10, C13, C14
C3, C7, C11,
C15
C4
C8, C12, C32
QTY
8
0
0
3
DESCRIPTION
10μF, 25V X5R ceramic capacitors
(1812)
Taiyo Yuden TMK432BJ106KM or
TDK C4532X5R1E106M
Not installed (1812)
Not installed (1206)
470pF ± 10%, 50V X7R ceramic
capacitors (0603)
Murata GRM188R71H471K or
DESIGNATION
C16, C45
C17, C33 – C41
C18, C42, C43,
C44
QTY
2
10
4
DESCRIPTION
3300pF ± 10%, X7R ceramic
capacitors (0402)
Murata GRP155R71H332K
680μF, 2.5V, 10m ? low-ESR
polymer capacitors (E-case)
Sanyo 2R5TPD680M
10μF ± 20%, 6.3V X5R ceramic
capacitors (0805)
Taiyo Yuden AMK212BJ106MG or
TDK C2012X5R0J106M
equivalent
________________________________________________________________ Maxim Integrated Products
For pricing, delivery, and ordering information, please contact Maxim/Dallas 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
MAX8526EUD 功能描述:低压差稳压器 - LDO RoHS:否 制造商:Texas Instruments 最大输入电压:36 V 输出电压:1.4 V to 20.5 V 回动电压（最大值）:307 mV 输出电流:1 A 负载调节:0.3 % 输出端数量: 输出类型:Fixed 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-20
MAX8526EUD+ 功能描述:低压差稳压器 - LDO 1.425V to 3.6V Input 2A 0.2V Dropout LDO RoHS:否 制造商:Texas Instruments 最大输入电压:36 V 输出电压:1.4 V to 20.5 V 回动电压（最大值）:307 mV 输出电流:1 A 负载调节:0.3 % 输出端数量: 输出类型:Fixed 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-20
MAX8526EUD+T 功能描述:低压差稳压器 - LDO 1.425V to 3.6V Input 2A 0.2V Dropout LDO RoHS:否 制造商:Texas Instruments 最大输入电压:36 V 输出电压:1.4 V to 20.5 V 回动电压（最大值）:307 mV 输出电流:1 A 负载调节:0.3 % 输出端数量: 输出类型:Fixed 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-20
MAX8526EUD-T 功能描述:低压差稳压器 - LDO RoHS:否 制造商:Texas Instruments 最大输入电压:36 V 输出电压:1.4 V to 20.5 V 回动电压（最大值）:307 mV 输出电流:1 A 负载调节:0.3 % 输出端数量: 输出类型:Fixed 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-20
MAX8526EVKIT+ 功能描述:电源管理IC开发工具 MAX8526/27/28 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
MAX8527EUD 功能描述:低压差稳压器 - LDO RoHS:否 制造商:Texas Instruments 最大输入电压:36 V 输出电压:1.4 V to 20.5 V 回动电压（最大值）:307 mV 输出电流:1 A 负载调节:0.3 % 输出端数量: 输出类型:Fixed 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-20
MAX8527EUD/V+ 功能描述:低压差稳压器 - LDO 1.425V to 3.6V Input 2A 0.2V Dropout LDO RoHS:否 制造商:Texas Instruments 最大输入电压:36 V 输出电压:1.4 V to 20.5 V 回动电压（最大值）:307 mV 输出电流:1 A 负载调节:0.3 % 输出端数量: 输出类型:Fixed 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-20
MAX8527EUD/V+T 功能描述:低压差稳压器 - LDO 1.425V to 3.6V Input 2A 0.2V Dropout LDO RoHS:否 制造商:Texas Instruments 最大输入电压:36 V 输出电压:1.4 V to 20.5 V 回动电压（最大值）:307 mV 输出电流:1 A 负载调节:0.3 % 输出端数量: 输出类型:Fixed 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-20