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參數(shù)資料
| 型號(hào)： | MAX8539 |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | WIRE; 24; GRN; 1007/1569, 300V, PVC, CU/TN, (1004563) |
| 中文描述： | 雙路同步buck控制器，用于負(fù)載點(diǎn)、跟蹤和DDR存儲(chǔ)器供電 |
| 文件頁(yè)數(shù)： | 2/8頁(yè) |
| 文件大小： | 100K |
| 代理商： | MAX8539 |
Conclusion
Maxim’s continuous reliability monitoring program ensures that all outgoing product will continue to meet Maxim’s quality
and reliability standards.
Table of Contents
I. ........Device Description
II. ........Manufacturing Information
III. .......Packaging Information
.....Attachments
I. Device Description
A. General
The MAX8538 is configured as a dual out-of-phase controller for point-of-load supplies. Each buck controller can
source or sink up to 25A of current, while the termination reference can supply up to 15mA output.
The MAX8538 successfully meets the quality and reliability standards required of all Maxim products. In addition,
V. ........Quality Assurance Information
VI. .......Reliability Evaluation
IV. .......Die Information
The MAX8538 uses constant-frequency voltage-mode architecture with operating frequencies of 200kHz to 1.4MHz.
An internal high- bandwidth (25MHz) operational amplifier is used as an error amplifier to regulate the output voltage.
This allows fast transient response, reducing the number of output capacitors. An all-N-FET design optimizes
efficiency and cost. The MAX8538 has a 1% accurate reference.
The controller uses a high-side current-sense architecture for current limiting. ILIM pins allow the setting of an
adjustable, lossless current limit for different combinations of load current and R
DSON
. Alternately, more accurate
overcurrent limit is achieved by using a sense resistor in series with the high-side FET. Overvoltage protection is
achieved by latching off the high-side MOSFET and latching on the low-side MOSFET when the output voltage
exceeds 17% of its set output. Independent enable, power-good, and soft-start features enhance flexibility.
B. Absolute Maximum Ratings
Item
Rating
V+ to GND
AVL, VL to GND
PGND to GND
FB_, EN_, POK_ to GND
REFIN, VTTR, FREQ, SS_, COMP_ to GND
BST_, ILIM_ to GND
DH1 to LX1
DH2 to LX2
LX_ to BST_
LX_ to GND
DL_ to PGND
Operating Temperature Range
Junction Temperature
Storage Temperature Range
Lead Temperature (soldering, 10s)
Continuous Power Dissipation (TA = +70°C)
28-Pin QSOP
Derates above +70°C
28-Pin QSOP
-0.3V to +25V
-0.3V to +6V
-0.3V to +0.3V
-0.3V to +6V
.-0.3V to (AVL + 0.3V)
-0.3V to +30V
-0.3V to (BST1 + 0.3V)
-0.3V to (BST2 + 0.3V)
-6V to +0.3V
-2V to +25V
-0.3V to (VL + 0.3V)
-40°C to +85°C
+150°C
-65°C to +150°C
+300°C
860mW
10.8mW/°C
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX8539EEI | 功能描述:DC/DC 開關(guān)控制器 RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關(guān)頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數(shù)量:1 最大工作溫度:+ 125 C 安裝風(fēng)格: 封裝 / 箱體:CPAK |
| MAX8539EEI+ | 功能描述:DC/DC 開關(guān)控制器 Dual-Synchronous Buck Controller RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關(guān)頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數(shù)量:1 最大工作溫度:+ 125 C 安裝風(fēng)格: 封裝 / 箱體:CPAK |
| MAX8539EEI+T | 功能描述:DC/DC 開關(guān)控制器 Dual-Synchronous Buck Controller RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關(guān)頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數(shù)量:1 最大工作溫度:+ 125 C 安裝風(fēng)格: 封裝 / 箱體:CPAK |
| MAX8539EEI-T | 功能描述:DC/DC 開關(guān)控制器 RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關(guān)頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數(shù)量:1 最大工作溫度:+ 125 C 安裝風(fēng)格: 封裝 / 箱體:CPAK |
| MAX853C/D DIE | 制造商:Maxim Integrated Products 功能描述: |
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