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MAX16946/MAX16947
Remote Antenna, Current-Sense and
LDO/Switches
Pin Configurations
TOP VIEW
TOP VIEW
12
11
10
9
IN 1
SENS 2
+
MAX16946
16 OUT
15 GND
TOP VIEW
IN 1
+
16 OUT
REG 13
FB 14
GND 15
MAX16946
8
7
6
AOUT
OL
SC
SHDN 3
GND 4
COMP 5
14 FB
13 REG
12 REF
SENS 2
SHDN 3
GND 4
COMP 5
MAX16947
15 GND
14 GND
13 REG
12 REF
OUT 16
+
1
2
3
EP
4
5
COMP
SC 6
OL 7
EP
11 LIM
10 OLT
SC 6
OL 7
AOUT 8
11 LIM
10 OLT
9 GND
TQFN
AOUT 8
QSOP
9 GND
QSOP
Pin Description
PIN
MAX16946 MAX16947
NAME
FUNCTION
1
2
1
2
IN
SENS
Input Voltage. Bypass IN to GND with a low-ESR ceramic capacitor with a minimum
value of 0.1 F F.
Current-Sense Amplifier Input. Connect the sense resistor between SENS and IN.
Active-Low Shutdown Input. Drive SHDN low for more than 360 F s to turn off the device.
3
3
SHDN
Pulsing SHDN low for less than t SHDN_OFF clears the OL output. SHDN is high-voltage
compatible and is connected to IN for normal operation.
4, 9, 15
5
4, 9, 14, 15
5
GND
COMP
Ground
LDO Compensation. Connect a 0.1 F F ceramic capacitor between COMP and GND to
compensate the LDO.
Open-Drain Short-Circuit Indicator Output. SC goes low when the load current is greater
6
6
SC
than the set short-circuit current threshold or when there is a short-to-battery fault.
Connect SC to a 10k I pullup resistor. See Table 1.
Open-Drain Open-Load Indicator Output. OL goes low when the load current is lower
7
7
OL
than the set open-load current threshold or when there is a short-to-battery fault. Connect
OL to a 10k I pullup resistor. See Table 1.
Current Monitor Voltage Output. AOUT can be used to measure the load current by
8
8
AOUT
means of an external ADC. AOUT has a current drive capability of 1mA. Bypass AOUT to
GND with a 15nF ceramic capacitor. See Table 1.
10
10
OLT
Open-Load Current Threshold Setting Input. A resistive divider between REF, OLT, and
GND sets the open-load current threshold.
Current-Limit Setting input. Connect a resistive divider from REF, LIM, and GND to set
11
11
LIM
the current limit of the switch or LDO. Alternatively, externally drive LIM (not to exceed
3.65V) to set the current limit.
10
Maxim Integrated
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相关代理商/技术参数
MAX16946GEE/V+ 功能描述:电源开关 IC - 配电 Remote Antenna Current-Sense 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
MAX16946GEE/V+T 功能描述:电源开关 IC - 配电 Remote Antenna Current-Sense 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
MAX16946GTE/V+ 功能描述:电源开关 IC - 配电 Remote Antenna Current-Sense 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
MAX16946GTE/V+T 功能描述:电源开关 IC - 配电 Remote Antenna Current-Sense 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
MAX16946GUE/V+ 功能描述:电源开关 IC - 配电 Remote Antenna Current-Sense 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
MAX16946GUE/V+T 功能描述:电源开关 IC - 配电 Remote Antenna Current-Sense 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
MAX16947GEE/V+ 功能描述:电源开关 IC - 配电 Remote Antenna Current-Sense 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
MAX16947GEE/V+T 功能描述:电源开关 IC - 配电 Remote Antenna Current-Sense 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