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參數資料
| 型號： | MAX4766BETA+T |
| 廠商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分類： | 電源管理 |
| 英文描述： | 0.075A to 1.5A, Programmable Current-Limit Switch |
| 中文描述： | 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO8 |
| 封裝： | 3 X 3 MM, 0.80 MM HEIGHT, MO-229WEEC, TINY, TDFN-8 |
| 文件頁數： | 1/12頁 |
| 文件大小： | 326K |
| 代理商： | MAX4766BETA+T |
General Description
The MAX4766 is a programmable current-limit switch
that uses a proprietary control topology to provide a
±10% accurate current limit. It operates from 2.25V to
4.5V input voltage.
The current limit is resistor settable from 0.075A to 1.5A
and features an adjustable soft-start function to control
the output-voltage ramp rate, thereby limiting the inrush
current. It also has an adjustable blanking time to
accommodate various capacitive loads.
If the load current is greater than the current-limit
threshold, the current limiter handles the overcurrent
situation in one of three ways depending on the option
selected. It enters an autoretry mode (MAX4766A),
latches off the switch (MAX4766B), or places the
device in a continuous current-limit mode (MAX4766C).
Additional safety features include thermal shutdown to
prevent overheating and reverse-current blocking to
prevent current from being driven back into the source.
The MAX4766 is available in a tiny 8-pin 3mm x 3mm
TDFN package and operates over the extended tem-
perature range of -40
°C to +85°C.
Applications
SDIO Ports
Notebook Computers
PDAs and Palmtop Devices
Cell Phones
Features
±10% Accurate Current Limit
0.075A to 1.5A Programmable Current Limit
Inrush Current Protection
Thermal Shutdown Protection
Reverse-Current Protection
Low Dropout Voltage
Programmable Blanking Time
Programmable Soft-Start Time
FFLLA
AG
G Function (MAX4766B/MAX4766C)
Tiny 8-Pin TDFN Package (3mm x 3mm)
2.25V to 4.5V Supply Range
MAX4766
0.075A to 1.5A, Programmable
Current-Limit Switch
________________________________________________________________ Maxim Integrated Products
1
Ordering Information/Selector Guide
2.25V TO 4.5V
IN
OUT
FLAG*
GND
ON
P
MAX4766
SETB
SETS
SETI
*MAX4766B/C
Typical Operating Circuit
19-3458; Rev 0; 10/04
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.
PART
TEMP RANGE
PIN-PACKAGE
TOP MARK
PKG CODE
SOFT-START/
BLANKING
OVERCURRENT
RESPONSE
MAX4766AETA
-40°C to +85°C
8 TDFN
AKV
T833-1
Programmable
Autoretry
MAX4766BETA
-40°C to +85°C
8 TDFN
AKW
T833-1
Programmable
Latch-Off
MAX4766CETA
-40°C to +85°C
8 TDFN
AKX
T833-1
Programmable
Continuous
SETS
IN
OUT
1
2
8
7
GND
ON
FLAG
SETI
SETB
TDFN
TOP VIEW
3
4
6
5
MAX4766
Pin Configuration
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相關代理商/技術參數 |
參數描述 |
|---|---|
| MAX4766CETA | 制造商:Maxim Integrated Products 功能描述:.075A TO 1.4A ADJUSTABLE CURRENT LI - Rail/Tube |
| MAX4766CETA+ | 制造商:Maxim Integrated Products 功能描述:CURRENT LIMIT SW 1-IN 1-OUT 2.25V TO 4.5V 640A 8TDFN EP - Rail/Tube |
| MAX4766CETA+T | 功能描述:電源開關 IC - 配電 75mA-1.5A Prog Current-Limit Switch RoHS:否 制造商:Exar 輸出端數量:1 開啟電阻（最大值）:85 mOhms 開啟時間（最大值）:400 us 關閉時間（最大值）:20 us 工作電源電壓:3.2 V to 6.5 V 電源電流（最大值）: 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:SOT-23-5 |
| MAX4766CETA-T | 制造商:Maxim Integrated Products 功能描述:.075A TO 1.4A ADJUSTABLE CURRENT LIMIT SWITCH - Tape and Reel |
| MAX4772ETT+T | 功能描述:電源開關 IC - 配電 200mA/500mA Select Current-Limit Switch RoHS:否 制造商:Exar 輸出端數量:1 開啟電阻（最大值）:85 mOhms 開啟時間（最大值）:400 us 關閉時間（最大值）:20 us 工作電源電壓:3.2 V to 6.5 V 電源電流（最大值）: 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:SOT-23-5 |
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