Datasheet > LTC4223IGN-2TRPBF

LTC4223IGN-2TRPBF

更新时间： 2024-11-12 02:59:31

品牌	Logo	应用领域
凌特 - Linear		控制器
页数	文件大小	规格书
24页	275K
描述
Dual Supply Hot Swap Controller for Advanced Mezzanine Card

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中文翻译

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LTC4223-1/LTC4223-2

Dual Supply Hot Swap

Controller for Advanced

Mezzanine Card

FEATURES

DESCRIPTION

The LTC^®4223 positive voltage Hot Swap^TMcontroller

allows a board to be safely inserted and removed from

a live AMC or MicroTCA backplane. It controls the main

12V supply with an external N-channel MOSFET and the

3.3V auxiliary supply with an integrated switch. The 12V

output ramp rate is adjustable and includes inrush current

limiting. The 12V output is also protected against short

circuit faults with a fast acting current limit and a 5%

accurate timed circuit breaker. The 3.3V output includes

both soft start and overcurrent protection.

■

Allows Safe Insertion into Live AMC or MicroTCA

Backplane

■

Controls 12V Main and 3.3V Auxiliary Supplies

■

Limits Peak Fault Current in ≤1μs

Adjustable Current Limit with Circuit Breaker

Integrated 0.3Ω AUX Switch

High Side Current Sense

Gate Drive for External N-Channel MOSFET

Adjustable Response Time for Overcurrent Protection

Adjustable Supply Voltage Power-Up Rate

Thermal Shutdown Protection

LTC4223-1: Latch Off After Fault

LTC4223-2: Automatic Retry After Fault

16-Lead SSOP and 5mm × 4mm DFN Packages

■

The LTC4223 features a current monitor output for the

12V supply, and reports fault and power-good status for

both supplies. It also detects card presence and allows

independent control of the 12V and auxiliary 3.3V sup-

ply outputs. The LTC4223-1 features a latch-off circuit

breaker, while the LTC4223-2 provides automatic retry

after a fault.

■

APPLICATIONS

■

Advanced Mezzanine Card, MicroTCA Systems

■

Workstations and Server I/O

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

All other trademarks are the property of their respective owners.

■

Telecom Networks

TYPICAL APPLICATION

Advanced Mezzanine Card Application

Normal Power-Up Waveform

6mΩ

Si7336ADP

12V

7.4A

5V/DIV

12V

AUXOUT

5V/DIV

15nF

10Ω

47Ω

12V

OUT

12V

OUT

5V/DIV

SENSE

GATE

3.3V

150mA

3.3V

AUXIN

AUXOUT

AUXPGOOD

51Ω

330nF

5V/DIV

12PGOOD

5V/DIV

LTC4223-1/LTC4223-2

AUXON

12ON

AUXPGOOD

12PGOOD

FAULT

20ms/DIV

422312 TA01b

IPMC

12IMON

ADC

GND

TIMER

422312 TA01a

0.1μF

CARRIER MODULE

CONNECTOR CONNECTOR

422312f

12 3 4 5 6 7...24

中文翻译

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与LTC4223IGN-2TRPBF相关器件

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LTC4224-1_15	Linear	获取价格	Compact Dual Low Voltage Hot Swap Controller
LTC4224-2	Linear	获取价格	Compact Dual Low Voltage Hot Swap Controller
LTC4224-2_15	Linear	获取价格	Compact Dual Low Voltage Hot Swap Controller
LTC4224CDDB-1#TRMPBF	Linear	获取价格	LTC4224CDDB-1#TRMPBF
LTC4224CDDB-1#TRPBF	Linear	获取价格	LTC4224CDDB-1#TRPBF
LTC4224CDDB-1-PBF	Linear	获取价格	Compact Dual Low Voltage Hot Swap Controller
LTC4224CDDB-1-TRPBF	Linear	获取价格	Compact Dual Low Voltage Hot Swap Controller

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