LTC4217IDHC-12 Linear Technology Corporation, LTC4217IDHC-12 Datasheet

LTC4217IDHC-12

Manufacturer Part Number

LTC4217IDHC-12

Description

Manufacturer

Linear Technology Corporation

Datasheets

1.LTC4217CFE.pdf (16 pages)

2.LTC4217CDHC-12.pdf (18 pages)

Specifications of LTC4217IDHC-12

Case

QFN

Date_code

10+

Available stocks

Company

Part Number

Manufacturer

Quantity

Price

Company:

Bonase Electronics (HK) Co., Limited

Part Number:

LTC4217IDHC-12

Manufacturer:

Quantity:

10 000

Current page: 1 of 16
Download datasheet (184Kb)

FEATURES

APPLICATIONS

TYPICAL APPLICATION

12V

Small Footprint

25mΩ MOSFET and 7.5mΩ R

Wide Operating Voltage Range: 2.9V to 26.5V

Adjustable, 5% Accurate Current Limit

Current and Temperature Monitor Outputs

Overtemperature Protection

Adjustable Current Limit Timer Before Fault

Powergood and Fault Outputs

Adjustable Inrush Current Control

2% Accurate Undervoltage and Overvoltage

Protection

Available in 20-Lead TSSOP and 16-Lead

5mm × 3mm DFN Packages

RAID systems

Server I/O cards

Industrial

12V, 1.5A Card Resident Application

0.1μF

RETRY

AUTO

FLT

TIMER

INTV

LTC4217DHC-12

SENSE

GND

OUT

MON

12V

10k

20k

330μF

ADC

12V

1.5A

4217 TA01a

OUT

DESCRIPTION

The LTC

applications that allows a board to be safely inserted and

removed from a live backplane. The part integrates a Hot

Swap controller, power MOSFET and current sense resistor

in a single package for small form factor applications. A

dedicated 12V version (LTC4217-12) contains preset 12V

speciﬁ c thresholds, while the standard LTC4217 allows

adjustable thresholds.

The LTC4217 provides separate inrush current control

and an accurate (5%) 2A current limit with current fold-

back limiting. The current limit threshold can be adjusted

dynamically using an external pin. Additional features

include a current monitor output that ampliﬁ es the sense

resistor voltage for ground referenced current sensing

and a MOSFET temperature monitor output. Thermal limit,

overvoltage, undervoltage and powergood monitoring are

also provided.

L, LT, LTC and LTM are registered trademarks of Linear Technology Corporation. Hot Swap

is a trademark of Linear Technology Corporation. All other trademarks are the property of their

respective owners.

2A Integrated Hot Swap

4217 is an integrated solution for Hot Swap™

0.1A/DIV

10V/DIV

OUT

Power-Up Waveforms

25ms/DIV

Controller

LTC4217

4217 TA01b

4217f

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