Datasheet > LTC4218IDHC-12#PBF

LTC4218IDHC-12#PBF

更新时间： 2024-11-12 21:18:11

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LTC4218IDHC-12#PBF 数据手册

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LTC4218

Hot Swap Controller

Features

Description

The LTC^®4218 is a Hot Swap controller that allows a board

to be safely inserted and removed from a live backplane.

An internal high side switch driver controls the gate of an

externalN-channelMOSFETforsupplyvoltagesfrom2.9V

to 26.5V. A dedicated 12V version (LTC4218-12) contains

preset12Vspeciﬁcthresholds,whilethestandardLTC4218

allows adjustable thresholds.

Wide Operating Voltage Range: 2.9V to 26.5V

Adjustable, 5% Accurate 15mV Current Limit

Current Monitor Output

Adjustable Current Limit Timer Before Fault

Power Good and Fault Outputs

Adjustable Inrush Current Control

2% Accurate Undervoltage and Overvoltage

Protection

Available in 16-Lead SSOP and 16-Pin 5mm × 3mm

DFN Packages

The LTC4218 provides an accurate (5%) current limit with

current foldback limiting. The current limit threshold can

be adjusted dynamically using an external pin. Additional

features include a current monitor output that ampliﬁes

the sense voltage for ground referenced current sensing.

Overvoltage, undervoltage and power good monitoring

are also provided.

applications

RAID Systems

ATCA, AMC, µTCA Systems

L, LT, LTC, LTM, Linear Technology and the Linear logo are registered trademarks of Linear

Technology Corporation. All other trademarks are the property of their respective owners.

Server I/O Cards

Industrial

typical application

12V, 6A Card Resident Application

Power-Up Waveform

2mΩ

Si7108DN

OUT

12V

CONTACT BOUNCE

10V/DIV

330µF

10Ω

1A/DIV

–

SENSE

GATE SOURCE

0.01µF

OUT

10V/DIV

SENSE

10V/DIV

LTC4218DHC-12

10k

AUTO

RETRY

FLT

4218 TA01b

25ms/DIV

SET

TIMER

0.1µF

1µF

INTV

MON

ADC

20k

2V = 7.5A

GND

4218 TA01a

*TVS: DIODES INC SMAJ17A

4218fh

For more information www.linear.com/LTC4218

12 3 4 5 6 7...18

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LTC4218IDHC-12#PBF 替代型号

型号	品牌	替代类型	描述	数据表
LTC4218IDHC-12#TRPBF	Linear	完全替代	LTC4218 - Hot Swap Controller; Package: DFN; Pins: 16; Temperature Range: -40°C to

与LTC4218IDHC-12#PBF相关器件

型号	品牌	获取价格	描述	数据表
LTC4218IDHC-12#TRPBF	Linear	获取价格	LTC4218 - Hot Swap Controller; Package: DFN; Pins: 16; Temperature Range: -40°C to
LTC4218IDHC-12-PBF	Linear	获取价格	Hot Swap Controller
LTC4218IDHC-12-TRPBF	Linear	获取价格	Hot Swap Controller
LTC4218IGN#PBF	Linear	获取价格	LTC4218 - Hot Swap Controller; Package: SSOP; Pins: 16; Temperature Range: -40°C t
LTC4218IGN-PBF	Linear	获取价格	Hot Swap Controller
LTC4218IGN-TRPBF	Linear	获取价格	Hot Swap Controller
LTC4219	Linear	获取价格	5A Integrated Hot Swap Controller
LTC4219	ADI	获取价格	5A 集成化热插拔控制器
LTC4219CDHC-12-PBF	Linear	获取价格	5A Integrated Hot Swap Controller
LTC4219CDHC-12-TRPBF	Linear	获取价格	5A Integrated Hot Swap Controller