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參數(shù)資料
| 型號： | MAX8546EUB |
| 廠商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | PLASTIC ENCAPSULATED DEVICES |
| 中文描述： | SWITCHING CONTROLLER, 360 kHz SWITCHING FREQ-MAX, PDSO10 |
| 封裝： | MO-187CBA, MICRO, SOP-10 |
| 文件頁數(shù)： | 2/8頁 |
| 文件大小： | 94K |
| 代理商： | MAX8546EUB |
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 MAX8546 is a voltage-mode pulse-width-modulated (PWM), step-down DC-DC controller ideal for a variety of
cost-sensitive applications. It drives low-cost N-channel MOSFETs for both the high-side switch and synchronous
rectifier, and require no external current-sense resistor. This device can supply output voltages as low as 0.8V.
The MAX8546 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 MAX8546 has a wide 2.7V to 28V input range, and does not need any additional bias voltage. The output voltage
can be precisely regulated from 0.8V to 0.83 x V
IN
. This devices can provide efficiency up to 95%. Lossless short-
circuit and current-limit protection is provided by monitoring the RDS(ON) of the low-side MOSFET. The MAX8546
has a current-limit threshold of 165mV. The device features foldback-current capability to minimize power dissipation
under short-circuit condition. Pulling the COMP/EN pin low with an open-collector or low-capacitance, open-drain
device can shut down the device.
The MAX8546 operates at 300kHz. The MAX8546 is compatible with low-cost aluminum electrolytic capacitors. Input
undervoltage lockout prevents proper operation under power-sag operations to prevent external MOSFETs from
overheating. Internal soft-start is included to reduce inrush current. This device is offered in space-saving 10-pin
μMAX packages.
B. Absolute Maximum Ratings
Item
(All voltages referenced to GND unless otherwise noted.)
VIN to GND
VCC to GND
FB to GND
BST to GND
VL, DL, COMP to GND
BST to LX
DH to LX
VL Short to GND
LX to GND
Input Current (any pin)
Operating Temperature Range
Junction Temperature
Storage Temperature Range
Lead Temperature (soldering, 10s)
Continuous Power Dissipation (TA = +70°C)
10-Pin μMAX
Derates above +70
°
C
10-Pin μMAX
Rating
-0.3V to +30V
-0.3V, lower of 6V or (VL + 0.3V)
-0.3V to +6V
-0.3V to +36V
-0.3V to (VCC + 0.3V)
-0.3V to +6V
-0.3V to (VBST + 0.3V)
5s
0 to 30V
±50mA
-40°C to +85°C
+150°C
-65°C to +150°C
+300°C
444mW
5.6mW/°C
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX8546EUB+ | 功能描述:電壓模式 PWM 控制器 Wide Input Range Step-Down Controller RoHS:否 制造商:Texas Instruments 輸出端數(shù)量:1 拓?fù)浣Y(jié)構(gòu):Buck 輸出電壓:34 V 輸出電流: 開關(guān)頻率: 工作電源電壓:4.5 V to 5.5 V 電源電流:600 uA 最大工作溫度:+ 125 C 最小工作溫度:- 40 C 封裝 / 箱體:WSON-8 封裝:Reel |
| MAX8546EUB+T | 功能描述:電壓模式 PWM 控制器 Wide Input Range Step-Down Controller RoHS:否 制造商:Texas Instruments 輸出端數(shù)量:1 拓?fù)浣Y(jié)構(gòu):Buck 輸出電壓:34 V 輸出電流: 開關(guān)頻率: 工作電源電壓:4.5 V to 5.5 V 電源電流:600 uA 最大工作溫度:+ 125 C 最小工作溫度:- 40 C 封裝 / 箱體:WSON-8 封裝:Reel |
| MAX8546EUB-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 |
| MAX8546EVKIT | 功能描述:電源管理IC開發(fā)工具 RoHS:否 制造商:Maxim Integrated 產(chǎn)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 |
| MAX8548EUB | 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 |
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