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參數資料
| 型號： | MAX4766 |
| 廠商： | Maxim Integrated Products, Inc. |
| 英文描述： | Extended Common-mode RS-485 Transceiver 8-SOIC -40 to 85 |
| 中文描述： | 0.075A至1.5A、可編程限流開關 |
| 文件頁數： | 1/12頁 |
| 文件大小： | 326K |
| 代理商： | MAX4766 |
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
FLAG
Function (MAX4766B/MAX4766C)
Tiny 8-Pin TDFN Package (3mm x 3mm)
2.25V to 4.5V Supply Range
M
0.075A to 1.5A, Programmable
Current-Limit Switch
________________________________________________________________
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
Ordering Information/Selector Guide
2.25V TO 4.5V
IN
OUT
FLAG*
GND
ON
μ
P
MAX4766
SETB
SETS
SETI
*MAX4766B/C
Typical Operating Circuit
19-3458; Rev 0; 10/04
PART
TEMP RANGE
PIN-PACKAGE
TOP MARK
PKG CODE
SOFT-START/
BLANKING
Programmable
Programmable
Programmable
OVERCURRENT
RESPONSE
Autoretry
Latch-Off
Continuous
MAX4766AETA
MAX4766BETA
MAX4766CETA
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
8 TDFN
8 TDFN
8 TDFN
AKV
AKW
AKX
T833-1
T833-1
T833-1
SETS
IN
OUT
1
2
8
7
GND
ON
FLAG
SETI
SETB
TDFN
TOP VIEW
3
4
6
5
MAX4766
Pin Configuration
相關PDF資料 |
PDF描述 |
|---|---|
| MAX4766BETA | 0.075A to 1.5A, Programmable Current-Limit Switch |
| MAX476 | 325MHz High-Speed Op Amp(425MHz，高速，開環運算放大器) |
| MAX477 | 300MHz High-Speed Op Amp(300MHz 高速運算放大器) |
| MAX4789EUK | 200mA/250mA/300mA Current-Limit Switches |
| MAX4789EUS | 200mA/250mA/300mA Current-Limit Switches |
相關代理商/技術參數 |
參數描述 |
|---|---|
| MAX4766AETA | 制造商:Maxim Integrated Products 功能描述:.075A TO 1.4A ADJUSTABLE CURRENT LI - Rail/Tube |
| MAX4766AETA+ | 制造商:Rochester Electronics LLC 功能描述: 制造商:Maxim Integrated Products 功能描述: |
| MAX4766AETA+T | 制造商:Rochester Electronics LLC 功能描述: 制造商:Maxim Integrated Products 功能描述: |
| MAX4766AETA-T | 制造商:Maxim Integrated Products 功能描述:.075A TO 1.4A ADJUSTABLE CURRENT LIMIT SWITCH - Tape and Reel |
| MAX4766BETA | 制造商:Maxim Integrated Products 功能描述:.075A TO 1.4A ADJUSTABLE CURRENT LI - Rail/Tube |
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