參數(shù)資料
型號(hào)： MAX5041BEAI
廠商： MAXIM INTEGRATED PRODUCTS INC
元件分類(lèi)： 穩(wěn)壓器
英文描述： Low Power 5V RS232 Dual Driver/Receiver with 0.1?μF Capacitors; Package: SO; No of Pins: 16; Temperature Range: -40?°C to 85?°C
中文描述： SWITCHING CONTROLLER, 525 kHz SWITCHING FREQ-MAX, PDSO28
封裝： 5.30 MM, MO150, SSOP-28
文件頁(yè)數(shù)： 1/26頁(yè)
文件大小： 680K
代理商： MAX5041BEAI
General Description
The MAX5038A/MAX5041A dual-phase, PWM controllers
provide high-output-current capability in a compact
package with a minimum number of external compo-
nents. The MAX5038A/MAX5041A 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 MAX5038A/MAX5041A 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
MAX5038A/MAX5041A also limit the reverse current in
case the bus voltage becomes higher than the regulat-
ed output voltage. The MAX5038A offers a variety of fac-
tory-trimmed preset output voltages (see
Selector Guide
)
and the MAX5041A offers an adjustable output voltage
between +1.0V to +3.3V.
The MAX5038A/MAX5041A operate over the extended
temperature range (-40°C to +85°C) and are available
in a 28-pin SSOP package. Refer to the MAX5037A and
MAX5065/MAX5067 data sheets for a VRM 9.0/VRM 9.1-
compatible, VID-controlled, adjustable output voltage
controller in a 44-pin MQFP/thin QFN or 28-pin SSOP
package.
Applications
Servers and Workstations
Point-of-Load High-Current/High-Density
Telecom DC-DC Regulators
Networking Systems
Large-Memory Arrays
RAID Systems
High-End Desktop Computers
Features
o
+4.75V to +5.5V or +8V to +28V Input Voltage
Range
o
Up to 60A Output Current
o
Internal Voltage Regulator for a +12V or +24V
Power Bus
o
True Differential Remote Output Sensing
o
Two Out-Of-Phase Controllers Reduce Input
Capacitance Requirement and Distribute Power
Dissipation
o
Average-Current-Mode Control
Superior Current Sharing Between Individual
Phases and Paralleled Modules
Accurate Current Limit Eliminates MOSFET and
Inductor Derating
o
Limits Reverse-Current Sinking in Paralleled
Modules
o
Integrated 4A Gate Drivers
o
Selectable Fixed Frequency 250kHz or 500kHz per
Phase (Up to 1MHz for Two Phases)
o
Fixed (MAX5038A) or Adjustable (MAX5041A)
Output Voltages
o
External Frequency Synchronization from 125kHz
to 600kHz
o
Internal PLL with Clock Output for Paralleling
Multiple DC-DC Converters
o
Thermal Protection
o
28-Pin SSOP Package
M
Dual-Phase, Parallelable, Average-Current-Mode
Controllers
________________________________________________________________
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
19-3034; Rev 0; 10/03
Ordering Information
PART
TEMP RANGE
PIN-
PACKAGE
OUTPUT
VOLTAGE
(V)
M A X5 0 3 8 A
E AI12
MAX5038AEAI15
MAX5038AEAI18
MAX5038AEAI25
MAX5038AEAI33
-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
Fixed +1.2
Fixed +1.5
Fixed +1.8
Fixed +2.5
Fixed +3.3
MAX5041A
EAI
-40
°
C to +85
°
C
28 SSOP
Adj +1.0 to
+3.3
Pin Configuration appears at end of data sheet.
相關(guān)PDF資料
PDF描述
MAX5041EAI Low Power 5V RS232 Dual Driver/Receiver with 0.1?μF Capacitors; Package: SO; No of Pins: 16; Temperature Range: -40?°C to 85?°C
MAX5041AEAI Dual-Phase, Parallelable, Average-Current-Mode Controllers
MAX5048AAUT-T GT 2C 2#4 SKT PLUG
MAX5048BAUT-T MS/STANDARD CYLINDRICAL MIL-C-5015 TYPE CONNECTORS, STRAIGHT BODY STYLE, SOLDER TERMINATION, 14S SHELL SIZE, 14S-6 INSERT ARRANGEMENT, PLUG GENDER, 6 CONTACTS
MAX5048 Low Power 5V RS232 Dual Driver/Receiver with 0.1?μF Capacitors; Package: SO; No of Pins: 16; Temperature Range: -40?°C to 85?°C
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MAX5041BEAI+ 制造商:Maxim Integrated Products 功能描述:- Rail/Tube
MAX5041BEAI+G48 制造商:Maxim Integrated Products 功能描述:DUAL-PHASE, PARALLELABLE, AVERAGE CURRENT-MODE CONTROLLERS - Rail/Tube
MAX5041BEAI+TG48 制造商:Maxim Integrated Products 功能描述:DUAL-PHASE, PARALLELABLE, AVERAGE CURRENT-MOD - Tape and Reel
MAX5041BEAI-G48 制造商:Maxim Integrated Products 功能描述:DUAL-PHASE, PARALLELABLE, AVERAGE CURRENT-MODE CONTROLLERS - Rail/Tube
MAX5041BEAI-T 功能描述:電流型 PWM 控制器 Dual-Phase Parallelable Average RoHS:否 制造商:Texas Instruments 開(kāi)關(guān)頻率:27 KHz 上升時(shí)間: 下降時(shí)間: 工作電源電壓:6 V to 15 V 工作電源電流:1.5 mA 輸出端數(shù)量:1 最大工作溫度:+ 105 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TSSOP-14
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