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| 型号： | ISL6146BFRZ |
| 厂商： | Intersil |
| 文件页数： | 1/28页 |
| 文件大小： | 0K |
| 描述： | IC INTERFACE |
| 标准包装： | 100 |
| 系列： | * |
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Low Voltage OR-ing FET Controller
ISL6146
The ISL6146 represents a family of OR-ing MOSFET controllers
capable of OR-ing voltages from 1V to 18V. Together with suitably
sized N-channel power MOSFETs, the ISL6146 increases power
distribution efficiency when replacing a power OR-ing diode in high
current applications. It provides gate drive voltage for the
MOSFET(s) with a fully integrated charge pump.
The ISL6146 allows users to adjust with external resistor(s) the
V OUT - V IN trip point, which adjusts the control sensitivity to system
power supply noise. An open drain FAULT pin will indicate if a
conditional or FET fault has occurred.
The ISL6146A and ISL6146B are optimized for very low voltage
operation, down to 1V with an additional independent bias of 3V
or greater.
The ISL6146C provides a voltage compliant mode of operation
down to 3V with programmable Undervoltage Lock Out and
Overvoltage Protection threshold levels
The ISL6146D and ISL6146E are like the ISL6146A and ISL6146B
respectively but do not have conduction state reporting via the
fault output .
TABLE 1. KEY DIFFERENCES BETWEEN PARTS IN FAMILY
PART NUMBER KEY DIFFERENCES
Features
? OR-ing Down to 1V and Up to 20V with ISL6146A, ISL6146B,
ISL6146D and ISL6146E
? Programmable Voltage Compliant Operation with ISL6146C
? VIN Hot Swap Transient Protection Rating to +24V
? High Speed Comparator Provides Fast <0.3μs Turn-off in
Response to Shorts on Sourcing Supply
? Fastest Reverse Current Fault Isolation with 6A Turn-off
Current
? Very Smooth Switching Transition
? Internal Charge Pump to Drive N-channel MOSFET
? User Programmable V IN - V OUT Vth for Noise Immunity
? Open Drain FAULT Output with Delay
- Short between any two of the OR-ing FET Terminals
- GATE Voltage and Excessive FET V DS
- Power-Good Indicator (ISL6146C)
? MSOP and DFN Package Options
Applications
? N+1 Industrial and Telecom Power Distribution Systems
ISL6146A
ISL6146B
ISL6146C
ISL6146D
ISL6146E
Separate BIAS and VIN with Active High Enable
Separate BIAS and VIN with Active Low Enable
VIN with OVP/UVLO Inputs
ISL6146A wo Conduction Monitor & Reporting
ISL6146B wo Conduction Monitor & Reporting
? Uninterruptable Power Supplies
? Low Voltage Processor and Memory
? Storage and Datacom Systems
ADJ
VIN GATE VOUT
ADJ
+
VOLTAGE
DC/DC
(3V - 20V)
-
+
VOLTAGE
DC/DC
(3V - 20V)
-
Q1
VIN GATE VOUT
BIAS
ISL6146B
FLT
EN
GND
Q2
VOUT
BIAS
ISL6146B
FLT
EN
GND
+
C
O
M
M
O
N
P
O
W
E
R
B
U
S
+C
O
M
M
O
N
P
O
W
E
R
B
U
S
GATE FAST OFF, ~200ns FALL TIME
~70ns FROM 20V TO 12.6V ACROSS 57nF
GATE OUTPUT SINKING ~ 6A
FIGURE 1. TYPICAL APPLICATION
FIGURE 2. ISL6146 GATE HIGH CURRENT PULL-DOWN
April 26, 2013
FN7667.4
1
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
1-888-INTERSIL or 1-888-468-3774 | Copyright Intersil Americas LLC 2011-2013. All Rights Reserved
Intersil (and design) is a trademark owned by Intersil Corporation or one of its subsidiaries.
All other trademarks mentioned are the property of their respective owners.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| ISL6146BFRZ-T | 功能描述:IC INTERFACE RoHS:是 类别:集成电路 (IC) >> PMIC - O 圈控制器 系列:* 标准包装:1,000 系列:- 应用:电池备份，工业/汽车，大电流开关 FET 型:- 输出数:5 内部开关:是 延迟时间 - 开启:100ns 延迟时间 - 关闭:- 电源电压:3 V ~ 5.5 V 电流 - 电源:250µA 工作温度:0°C ~ 70°C 安装类型:表面贴装 封装/外壳:16-SOIC（0.154"，3.90mm 宽） 供应商设备封装:16-SOIC N 包装:带卷 (TR) |
| ISL6146BFRZ-T7A | 功能描述:热插拔功率分布 LW VAGE ORING FET CNTRLR 3X3 8LD RoHS:否 制造商:Texas Instruments 产品:Controllers & Switches 电流限制: 电源电压-最大:7 V 电源电压-最小:- 0.3 V 工作温度范围: 功率耗散: 安装风格:SMD/SMT 封装 / 箱体:MSOP-8 封装:Tube |
| ISL6146BFRZ-TK | 功能描述:IC OR CONTROLLER RoHS:是 类别:集成电路 (IC) >> PMIC - O 圈控制器 系列:* 标准包装:1,000 系列:- 应用:电池备份，工业/汽车，大电流开关 FET 型:- 输出数:5 内部开关:是 延迟时间 - 开启:100ns 延迟时间 - 关闭:- 电源电压:3 V ~ 5.5 V 电流 - 电源:250µA 工作温度:0°C ~ 70°C 安装类型:表面贴装 封装/外壳:16-SOIC（0.154"，3.90mm 宽） 供应商设备封装:16-SOIC N 包装:带卷 (TR) |
| ISL6146BFUZ | 功能描述:IC OR CTRLR N-CH 1CH 8MSOP RoHS:是 类别:集成电路 (IC) >> PMIC - O 圈控制器 系列:- 标准包装:1,000 系列:- 应用:电池备份，工业/汽车，大电流开关 FET 型:- 输出数:5 内部开关:是 延迟时间 - 开启:100ns 延迟时间 - 关闭:- 电源电压:3 V ~ 5.5 V 电流 - 电源:250µA 工作温度:0°C ~ 70°C 安装类型:表面贴装 封装/外壳:16-SOIC（0.154"，3.90mm 宽） 供应商设备封装:16-SOIC N 包装:带卷 (TR) |
| ISL6146BFUZ-T | 功能描述:IC OR CTRLR N-CH 1CH 8MSOP RoHS:是 类别:集成电路 (IC) >> PMIC - O 圈控制器 系列:- 标准包装:1,000 系列:- 应用:电池备份，工业/汽车，大电流开关 FET 型:- 输出数:5 内部开关:是 延迟时间 - 开启:100ns 延迟时间 - 关闭:- 电源电压:3 V ~ 5.5 V 电流 - 电源:250µA 工作温度:0°C ~ 70°C 安装类型:表面贴装 封装/外壳:16-SOIC（0.154"，3.90mm 宽） 供应商设备封装:16-SOIC N 包装:带卷 (TR) |
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