Datasheet > ISL6146C

ISL6146C

更新时间： 2024-02-06 18:10:20

品牌	Logo	应用领域
英特矽尔 - INTERSIL		控制器
页数	文件大小	规格书
23页	1221K
描述
Low Voltage ORing FET Controller

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ISL6146C 技术参数

生命周期：	Unknown	零件包装代码：	DFN, MSOP
包装说明：	,	针数：	8, 8
Reach Compliance Code：	compliant	ECCN代码：	EAR99
HTS代码：	8542.39.00.01	Factory Lead Time：	5 weeks
风险等级：	5.57	接口集成电路类型：	BUFFER OR INVERTER BASED MOSFET DRIVER
JESD-609代码：	e3	湿度敏感等级：	1
端子面层：	Matte Tin (Sn) - annealed

ISL6146C 数据手册

Low Voltage ORing FET Controller

ISL6146

Features

The ISL6146 represents a family of ORing MOSFET controllers

capable of ORing voltages from 1V to 18V. Together with

suitably sized N-channel power MOSFETs, the ISL6146

• ORing Down to 1V and Up to 20V with ISL6146A, ISL6146B

• Programmable Voltage Compliant Operation with ISL6146C

• VIN Hot Swap Transient Protection Rating to +24V

increases power distribution efficiency when replacing a power

ORing diode in high current applications. It provides gate drive

voltage for the MOSFET(s) with a fully integrated charge pump.

• 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

The ISL6146 allows users to adjust with external resistor(s) the

- V trip point, which adjusts the control sensitivity to

OUT IN

system power supply noise. An open drain FAULT pin will

indicate if a conditional or FET fault has occurred.

• Very Smooth Switching Transition

• Internal Charge Pump to Drive N-channel MOSFET

The ISL6146A and ISL6146B are optimized for very low

voltage operation, down to 1V with an additional independent

bias of 3V or greater.

• User Programmable V - V

IN OUT

Vth for Noise Immunity

• Open Drain FAULT Output with Delay

- Short between any two of the ORing FET Terminals

The ISL6146C provides a voltage compliant mode of operation

down to 3V with programmable Undervoltage Lock Out and

Overvoltage Protection threshold levels.

- GATE Voltage and Excessive FET V

- Power-Good Indicator (ISL6146C)

• MSOP and DFN Package Options

TABLE 1. KEY DIFFERENCES BETWEEN PARTS IN FAMILY

PART NUMBER

ISL6146A

KEY DIFFERENCES

Applications

Separate BIAS and VIN with Active High Enable

Separate BIAS and VIN with Active Low Enable

VIN with OVP/UVLO Inputs

• N+1 Industrial and Telecom Power Distribution Systems

ISL6146B

• Uninterruptable Power Supplies

ISL6146C

• Low Voltage Processor and Memory

• Storage and Datacom Systems

VIN GATE VOUT

BIAS

ISL6146B

VOLTAGE

DC/DC

(3V - 20V)

ADJ

GATE FAST OFF, ~200ns FALL TIME

~70ns FROM 20V TO 12.6V ACROSS 57nF

GATE OUTPUT SINKING ~ 6A

FLT

GND

VIN GATE VOUT

VOUT

VOLTAGE

DC/DC

(3V - 20V)

BIAS

ADJ

ISL6146B

FLT

GND

FIGURE 1. TYPICAL APPLICATION

FIGURE 2. ISL6146 GATE HIGH CURRENT PULL-DOWN

December 16, 2011

FN7667.0

CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.

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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