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参数资料
| 型号： | MAX16948AGTE/V+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 10/15页 |
| 文件大小： | 0K |
| 描述： | IC LDO/SWITCH ADJ DUAL 16TQFN |
| 标准包装： | 2,500 |
| 应用： | 汽车系统，远程电源 |
| 电流 - 电源： | 2.1mA |
| 电源电压： | 4.5 V ~ 28 V |
| 工作温度： | -40°C ~ 105°C |
| 安装类型： | * |
| 封装/外壳： | * |
| 供应商设备封装： | * |
| 包装： | * |
MAX16948
Automotive Dual Remote Antenna
Current-Sense LDO/Switch
Functional Diagram
2x
IN
I-SENSE
CHARGE
OUT1/
OUT2
PUMP
REF
I-LIM (2.5V)
FB (1.0V)
CURRENT
REVERSE I
LIMIT
FB1/
FB2
SHDN1
DIAGNOSTICS
OUT > IN
FB > 1.2V
OUT_ > IN_
FB_ > 110%
CONTROL
SHDN2
ERR1
ERR2
IN
CURRENT
SOURCES
21V
TEMPERATURE
SENSOR
MAX16948
REF,
REG
REG
LIM1/
LIM2
SENSE1
SENSE2
GND
Detailed Description
The MAX16948 is a dual high-voltage, current-sensing
LDO/switch designed to operate with an input voltage
range from 4.5V to 28V (45V load dump tolerant). The
device provides phantom power over coax cable to
remote radio frequency low-noise amplifiers (LNAs) in
automotive systems with a maximum current of 300mA
per channel. The device also provides a fixed regulated
output voltage of 8.5V, an adjustable 1V to 12.5V output
voltage, or the device can be configured as a switch. The
device is ideal for providing phantom power to remote
radio-frequency LNAs in automotive applications.
Maxim Integrated
The device monitors the load current, and its current-
sense outputs provide a current proportional to the
sensed load current. An accurate programmable current
limit protects the input supply against both overcur-
rent and short-circuit conditions. The device features
open-drain fault indicator outputs and overtemperature
shutdown.
The device features short-to-battery protection to latch off
the internal LDO/switch during a short-to-battery event.
During a thermal overload, the device reduces power
dissipation by going into thermal shutdown. It includes
dual independent, active-low, high-voltage-compatible
shutdown inputs to place each channel in a low-power
shutdown mode.
10
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX16948BGEE/V+ | 制造商:Maxim Integrated Products 功能描述:AUTOMOTIVE DUAL REMOTE ANTENNA CURRENT-SENSE LDO/SWITCH - Rail/Tube |
| MAX16948BGEE/V+T | 制造商:Maxim Integrated Products 功能描述:AUTOMOTIVE DUAL REMOTE ANTENNA CURRENT-SENSE LDO/SWITCH - Tape and Reel |
| MAX1694EUB | 功能描述:电源开关 IC - USB USB Current-Limited Switch w/Fault Blank RoHS:否 制造商:Micrel 电源电压-最小:2.7 V 电源电压-最大:5.5 V 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装 / 箱体:SOIC-8 封装:Tube |
| MAX1694EUB+ | 功能描述:电源开关 IC - USB USB Current-Limited Switch w/Fault Blank RoHS:否 制造商:Micrel 电源电压-最小:2.7 V 电源电压-最大:5.5 V 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装 / 箱体:SOIC-8 封装:Tube |
| MAX1694EUB+T | 功能描述:电源开关 IC - USB USB Current-Limited Switch w/Fault Blank RoHS:否 制造商:Micrel 电源电压-最小:2.7 V 电源电压-最大:5.5 V 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装 / 箱体:SOIC-8 封装:Tube |
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