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参数资料
| 型号： | MAX869LEEE+ |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 6/8页 |
| 文件大小： | 0K |
| 描述： | IC SW P-CH HIGH SIDE 16-QSOP |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 100 |
| 类型： | 高端开关 |
| 输出数： | 1 |
| Rds（开）： | 70 毫欧 |
| 内部开关： | 是 |
| 电流限制： | 2.0A |
| 输入电压： | 2.7 V ~ 5.5 V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 16-SSOP（0.154"，3.90mm 宽） |
| 供应商设备封装： | 16-QSOP |
| 包装： | 管件 |
| 产品目录页面： | 1409 (CN2011-ZH PDF) |
2A, Current-Limited, High-Side
P-Channel Switch with Thermal Shutdown
____________________________Typical Operating Characteristics (continued)
(T A = +25°C, unless otherwise noted.)
A
0V
USB* CIRCUIT OUTPUT RISE TIME
A
0V
USB* CIRCUIT OUTPUT FALL TIME
B
B
C
0V
0A
C
0V
0A
D
D
0V
500μs/div
V IN = 5V, I OUT = 1A, C IN = 1μF, C OUT = 120μF
0V
500μs/div
V IN = 5V, I OUT = 1A, C IN = 1μF, C OUT = 120μF
A: V ON , 5V/div
B: V OUT , 2V/div
C: I OUT , 0.5A/div
D: V FAULT , 2V/div
A: V ON , 5V/div
B: V OUT , 2V/div
C: I OUT , 0.5A/div
D: V FAULT , 2V/div
*REFER TO TYPICAL OPERATING CIRCUIT
_____________________Pin Description
_______________Detailed Description
The MAX869L P-channel MOSFET power switch limits
PIN
NAME
FUNCTION
output current to a programmed level. When the output
current passes through the main switch, a smaller cur-
1, 4, 5,
12, 13, 16
2, 3, 6,
11, 14, 15
7
8
9
10
IN
OUT
ON
GND
SET
FAULT
Input, P-channel MOSFET source.
Bypass IN with a 1μF capacitor to
ground.
Switch output. P-channel MOSFET
drain. Bypass OUT with a 0.1μF
capacitor to GND.
Active-Low Switch-On Input. A logic
low turns the switch on.
Ground
Set Current-Limit Input. A resistor
from SET to ground sets the current
limit for the switch. R SET = 1,184 /
I LIMIT , where I LIMIT is the desired cur-
rent limit in amperes.
Fault-Indicator Output. This open-
drain output goes low when in cur-
rent limit or when the die temperature
exceeds +135°C. FAULT remains low
for Turn-On Time + 50μs during start-
rent also passes through the replica switch (I OUT / 955)
and through R SET (Figure 1). When the voltage on R SET
exceeds the trip voltage of 1.24V, the current-limit error
amplifier regulates the output current to the pro-
grammed current limit, I LIMIT (400mA to 2.4A).
This switch is not bidirectional; therefore, the input volt-
age must be higher than the output voltage.
Setting the Current Limit
The MAX869L features internal current-limiting circuitry
with a maximum programmable value (I MAX ) of 2.4A.
For best performance, set the current limit (I LIMIT )
between 0.2 I MAX ≤ I LIMIT ≤ I MAX . This current limit
remains in effect throughout the input supply-voltage
range.
Program the current limit with a resistor (R SET ) from
SET to ground (Figure 2) as follows:
I SET = I LIMIT / 955
R SET = 1.24V / I SET = 1,184 / I LIMIT
where I LIMIT is the desired current limit.
up.
6
_______________________________________________________________________________________
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相关代理商/技术参数 |
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| MAX869LEEE+ | 功能描述:电源开关 IC - 配电 2A Current-Ltd High Side PCh 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 |
| MAX869LEEE+T | 功能描述:电源开关 IC - 配电 2A Current-Ltd High Side PCh 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 |
| MAX869LEEE-T | 功能描述:电源开关 IC - 配电 2A Current-Ltd High Side PCh 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 |
| MAX8702ETP | 功能描述:功率驱动器IC RoHS:否 制造商:Micrel 产品:MOSFET Gate Drivers 类型:Low Cost High or Low Side MOSFET Driver 上升时间: 下降时间: 电源电压-最大:30 V 电源电压-最小:2.75 V 电源电流: 最大功率耗散: 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-8 封装:Tube |
| MAX8702ETP+ | 功能描述:功率驱动器IC Dual-Phase MOSFET Driver w/Temp Sensor RoHS:否 制造商:Micrel 产品:MOSFET Gate Drivers 类型:Low Cost High or Low Side MOSFET Driver 上升时间: 下降时间: 电源电压-最大:30 V 电源电压-最小:2.75 V 电源电流: 最大功率耗散: 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-8 封装:Tube |
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