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參數資料
| 型號： | MAX15003 |
| 廠商： | Maxim Integrated Products, Inc. |
| 英文描述： | Triple-Output Buck Controller with Tracking/Sequencing |
| 中文描述： | 三輸出buck控制器，提供跟蹤/排序功能 |
| 文件頁數： | 1/32頁 |
| 文件大小： | 945K |
| 代理商： | MAX15003 |
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General Description
The MAX15003 is a triple-output, pulse-width-modulat-
ed (PWM), step-down DC-DC controller with tracking
and sequencing capability. The device operates over
the input voltage range of 5.5V to 23V or 5V ±10%.
Each PWM controller provides an adjustable output
down to 0.6V and delivers up to 15A for each output
with excellent load and line regulation. The MAX15003
is optimized for high-performance, small-size power
management solutions.
The options of coincident tracking, ratiometric tracking,
and output sequencing allow the tailoring of the power-
up/power-down sequence depending on the system
requirements. Each of the MAX15003 PWM sections uti-
lizes a voltage-mode control scheme with external com-
pensation allowing for good noise immunity and
maximum flexibility with a wide selection of inductor val-
ues and capacitor types. Each PWM section operates
at the same, fixed switching frequency that is program-
mable from 200kHz to 2.2MHz and can be synchro-
nized to an external clock signal using the SYNC input.
Each converter operating at up to 2.2MHz with 120°
out-of-phase, increases the input capacitor ripple fre-
quency up to 6.6MHz, thereby reducing the RMS input
ripple current and the size of the input bypass capaci-
tor requirement significantly.
The MAX15003 includes internal input undervoltage
lockout with hysteresis, digital soft-start/soft-stop for
glitch-free power-up and power-down of each convert-
er. The power-on reset (
RESET
) with an adjustable
timeout period monitors all three outputs and provides
a
RESET
signal to the processor when all outputs are
within regulation. Protection features include lossless
valley-mode current limit and hiccup mode output
short-circuit protection.
The MAX15003 is available in a space-saving, 7mm x
7mm, 48-pin TQFN-EP package and is specified for
operation over the -40°C to +125°C automotive temper-
ature range. See the MAX15002 data sheet for a dual
version of the MAX15003.
Applications
PCI Express
Host Bus Adapter Power Supplies
Networking/Server Power Supplies
Point-of-Load DC-DC Converters
Features
o
5.5V to 23V or 5V ±10% Input Voltage Range
o
Triple-Output Synchronous Buck Controller
o
Selectable In-Phase or 120° Out-of-Phase
Operation
o
Output Voltages Adjustable from 0.6V to 0.85V
IN
o
Lossless Valley-Mode Current Sensing or
Accurate Valley Current Sensing Using R
SENSE
o
External Compensation for Maximum Flexibility
o
Digital Soft-Start and Soft-Stop
o
Sequencing or Coincident/Ratiometric V
OUT
Tracking
o
Individual PGOOD Outputs
o
RESET
Output with a Programmable Timeout
Period
o
200kHz to 2.2MHz Programmable Switching
Frequency
o
External Frequency Synchronization
o
Hiccup Mode Short-Circuit Protection
o
Space-Saving (7mm x 7mm) 48-Pin TQFN
Package
M
Triple-Output Buck Controller with
Tracking/Sequencing
________________________________________________________________ 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
Ordering Information
19-1048; Rev 0; 10/07
PCI Express is a registered trademark of PCI-SIG Corp.
Pin Configuration appears at end of data sheet.
+Denotes a lead-free package.
*EP = Exposed pad.
Add a “T” after “+” for tape and reel. Tape-and-reel orders are
available in 2.5k increments.
PART
TEMP RANGE
PIN-
PACKAGE
PKG
CODE
MAX15003ATM+
-40°C to +125°C
48 TQFN-EP*
(7mm x 7mm)
T4877-3
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相關代理商/技術參數 |
參數描述 |
|---|---|
| MAX15003ATM+ | 功能描述:DC/DC 開關控制器 Triple-Out Buck Ctlr w/Track/Sequence RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數量:1 最大工作溫度:+ 125 C 安裝風格: 封裝 / 箱體:CPAK |
| MAX15003ATM+T | 功能描述:DC/DC 開關控制器 Triple-Out Buck Ctlr w/Track/Sequence RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數量:1 最大工作溫度:+ 125 C 安裝風格: 封裝 / 箱體:CPAK |
| MAX15003EVKIT+ | 功能描述:電源管理IC開發工具 MAX15003 Eval Kit RoHS:否 制造商:Maxim Integrated 產品:Evaluation Kits 類型:Battery Management 工具用于評估:MAX17710GB 輸入電壓: 輸出電壓:1.8 V |
| MAX15004AAUE/V+ | 功能描述:電流型 PWM 控制器 Flyback/Boost/SEPIC Power-Supply Ctlr RoHS:否 制造商:Texas Instruments 開關頻率:27 KHz 上升時間: 下降時間: 工作電源電壓:6 V to 15 V 工作電源電流:1.5 mA 輸出端數量:1 最大工作溫度:+ 105 C 安裝風格:SMD/SMT 封裝 / 箱體:TSSOP-14 |
| MAX15004AAUE/V+T | 功能描述:電流型 PWM 控制器 Flyback/Boost/SEPIC Power-Supply Ctlr RoHS:否 制造商:Texas Instruments 開關頻率:27 KHz 上升時間: 下降時間: 工作電源電壓:6 V to 15 V 工作電源電流:1.5 mA 輸出端數量:1 最大工作溫度:+ 105 C 安裝風格:SMD/SMT 封裝 / 箱體:TSSOP-14 |
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