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参数资料
| 型号： | MAX4766BETA+ |
| 厂商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分类： | 电源管理 |
| 英文描述： | 0.075A to 1.5A, Programmable Current-Limit Switch |
| 中文描述： | 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO8 |
| 封装： | 3 X 3 MM, 0.80 MM HEIGHT, MO-229WEEC, TINY, TDFN-8 |
| 文件页数： | 10/12页 |
| 文件大小： | 326K |
| 代理商： | MAX4766BETA+ |
MAX4766
0.075A to 1.5A, Programmable
Current-Limit Switch
_______________________________________________________________________________________
7
Pin Description
PIN
MAX4766B/C
MAX4766A
NAME
FUNCTION
1
SETB
Blanking Time Adjust. Connect a capacitor from SETB to ground to program the blanking time.
See the Adjustable Blanking Time section. Leave SETB floating to choose 1ms minimum preset
blanking time.
2—
FLAG
Fault-Present-Indicator Output. FLAG is an open-drain output and goes low when the
overload fault duration exceeds the blanking time, reverse current is detected, or the device
is in thermal shutdown. Connect FLAG to IN with a 5k
resistor. For latch-off (MAX4766B)
versions, the switch is turned off and FLAG output goes low after the blanking time. For the
continuous version (MAX4766C), FLAG does not wait for the blanking time and goes low as
soon as the current-limit threshold is reached.
—
2
N.C.
Not Connected
3
SETI
Current-Limit Adjust. To program the current limit, connect a resistor from SETI to ground.
See the Setting the Current Limit Section for more detail. Shorting SETI to ground sets the
device for maximum current limit of 1.5A.
4
OUT
Switch Output. Bypass OUT with a 2.2F capacitor to ground.
55
IN
Power Input. Bypass IN with a 2.2F or greater ceramic capacitor to ground. Larger capacitors
may be needed to prevent large load transients from dragging down the supply voltage.
6
SETS
Soft-Start Adjust. Connect a capacitor from SETS to ground to program the soft-start time.
See the Adjustable Soft-Start section. Leave SETS floating to choose 1ms minimum preset
soft-start time.
7
ON
Active-High Switch On Input. Drive ON high to turn the switch on.
8
GND
Ground
Figure 1. Functional Diagram
MAX4766
BUFFER
THERMAL
SHUTDOWN
REVERSE-
CURRENT
PROTECTION
CONTROL
LOGIC
TBLANK
SOFT-START
UVLO
SETS
ON
IN
BANDGAP
REFERENCE
CURRENT
LIMIT
V TO I
SETB
OUT
FLAG (MAX4766B/C)
SETI
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX4766BETA+ | 制造商:Rochester Electronics LLC 功能描述: 制造商:Maxim Integrated Products 功能描述: |
| MAX4766BETA-T | 制造商:Maxim Integrated Products 功能描述:.075A TO 1.4A ADJUSTABLE CURRENT LIMIT SWITCH - Tape and Reel |
| 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:电源开关 IC - 配电 75mA-1.5A Prog Current-Limit Switch RoHS:否 制造商:Exar 输出端数量:1 开启电阻（最大值）:85 mOhms 开启时间（最大值）:400 us 关闭时间（最大值）:20 us 工作电源电压:3.2 V to 6.5 V 电源电流（最大值）: 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:SOT-23-5 |
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