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| 型号： | MAX5041EAI+ |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 1/26页 |
| 文件大小： | 0K |
| 描述： | IC REG CTRLR BUCK PWM CM 28-SSOP |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 46 |
| PWM 型： | 电流模式 |
| 输出数： | 1 |
| 频率 - 最大： | 1MHz |
| 占空比： | 90% |
| 电源电压： | 4.75 V ~ 28 V |
| 降压： | 是 |
| 升压： | 无 |
| 回扫： | 无 |
| 反相： | 无 |
| 倍增器： | 无 |
| 除法器： | 无 |
| Cuk： | 无 |
| 隔离： | 无 |
| 工作温度： | -40°C ~ 85°C |
| 封装/外壳： | 28-SSOP（0.209"，5.30mm 宽） |
| 包装： | 管件 |
19-2514; Rev 3; 8/04
Dual-Phase, Parallelable, Average Current-Mode
Controllers
General Description
The MAX5038/MAX5041 dual-phase, PWM controllers
provide high-output-current capability in a compact
package with a minimum number of external compo-
nents. The MAX5038/MAX5041 utilize a dual-phase,
average current-mode control that enables optimal use
of low R DS(ON) MOSFETs, eliminating the need for exter-
nal heatsinks even when delivering high output currents.
Differential sensing enables accurate control of the out-
put voltage, while adaptive voltage positioning provides
optimum transient response. An internal regulator
enables operation with input voltage ranges of +4.75V to
+5.5V or +8V to +28V. The high switching frequency, up
to 500kHz per phase, and dual-phase operation allow
the use of low-output inductor values and input capacitor
values. This accommodates the use of PC board-
embedded planar magnetics achieving superior reliabili-
ty, current sharing, thermal management, compact size,
and low system cost.
The MAX5038/MAX5041 also feature a clock input
(CLKIN) for synchronization to an external clock, and a
clock output (CLKOUT) with programmable phase delay
(relative to CLKIN) for paralleling multiple phases. The
MAX5038 offers a variety of factory-trimmed preset output
voltages (see Selector Guide ) and the MAX5041 offers an
adjustable output voltage from +1.0V to +3.3V.
The MAX5038/MAX5041 operate over the extended
industrial temperature range (-40°C to +85°C) and are
available in a 28-pin SSOP package. Refer to the
MAX5037 data sheet for a VRM 9.0-compatible, VID-
controlled output voltage controller in a 44-pin MQFP or
QFN package.
Applications
Servers and Workstations
Point-Of-Load High-Current/High-Density
Features
? +4.75V to +5.5V or +8V to +28V Input Voltage
Range
? Up to 60A Output Current
? Internal Voltage Regulator for a +12V or +24V
Power Bus
? True Differential Remote Output Sensing
? Two Out-Of-Phase Controllers Reduce Input
Capacitance Requirement and Distribute Power
Dissipation
? Average Current-Mode Control
Superior Current Sharing Between Individual
Phases and Paralleled Modules
Accurate Current Limit Eliminates MOSFET and
Inductor Derating
? Integrated 4A Gate Drivers
? Selectable Fixed Frequency 250kHz or 500kHz Per
Phase (Up to 1MHz for 2 Phases)
? Fixed (MAX5038) or Adjustable (MAX5041) Output
Voltages
? 0.5% Accurate Reference (MAX5041B)
? External Frequency Synchronization from 125kHz
to 600kHz
? Internal PLL with Clock Output for Paralleling
Multiple DC-DC Converters
? Thermal Protection
? 28-Pin SSOP Package
Ordering Information
Telecom DC-DC Regulators
Networking Systems
PART
TEMP RANGE
PIN-
PACKAGE
OUTPUT
VOLTAGE
Large-Memory Arrays
MAX5038 EAI12 -40°C to +85°C
28 SSOP
Fixed +1.2V
RAID Systems
High-End Desktop Computers
MAX5038EAI15
MAX5038EAI18
MAX5038EAI25
MAX5038EAI33
MAX5041 EAI
MAX5041BEAI
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
28 SSOP
28 SSOP
28 SSOP
28 SSOP
28 SSOP
28 SSOP
Fixed +1.5V
Fixed +1.8V
Fixed +2.5V
Fixed +3.3V
Adj +1.0V to
+3.3V
Adj +1.0V to
+3.3V
Pin Configuration appears at end of data sheet.
________________________________________________________________ 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.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX5041EAI+ | 功能描述:电流型 PWM 控制器 Dual-Phase Parallelable Average 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 |
| MAX5041EAI+T | 功能描述:电流型 PWM 控制器 Dual-Phase Parallelable Average 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 |
| MAX5041EAI+TG48 | 制造商:Maxim Integrated Products 功能描述:N/A - Tape and Reel |
| MAX5041EAI-T | 功能描述:电流型 PWM 控制器 Dual-Phase Parallelable Average 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 |
| MAX5041EAI-TG48 | 制造商:Maxim Integrated Products 功能描述:DUAL-PHASE, PARALLELABLE, AVERAGE CURRENT-MODE CONTROLLERS - Tape and Reel |
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