Datasheet > LTC4249

LTC4249

更新时间： 2024-09-26 14:58:15

品牌	Logo	应用领域
亚德诺 - ADI		电子监控断路器
页数	文件大小	规格书
24页	1626K
描述
集成电流监控器的65V双通道电子断路器

阅读下载

中文翻译

获取价格

数据手册

如果您发现信息不准确，欢迎纠错

LTC4249 数据手册

LTC4249

65V Dual Electronic Circuit

Breaker with Current Monitors

FEATURES

DESCRIPTION

The LTC^®4249 dual electronic circuit breaker (ECB) pro-

vides independent overcurrent protection to a pair of

loads. Each channel has a precision enable input, current

monitor output and ready status output. A single resistor

configures the ECB threshold. If either channel detects an

overcurrent condition, the corresponding breaker discon-

nects the input from the load.

High Voltage Dual SPST, Current Sharing Allowed

5% Accurate Analog Current Monitor Outputs

Adjustable Circuit Breaker Thresholds to 1.2A

Filtered (50µs) Primary OC Threshold

Fast (2µs) Secondary OC Threshold

75mΩ Integrated Switches

Automatic Inrush Control

Short-Circuit Protection

After a circuit breaker event, the open-drain RDY status

output pulls low and the ECB latches off. Toggling the

enable input turns the ECB back on after a 1 second cool-

off period. An infinite retry option(–2) is also available.

The cool-off timer, overtemperature sensor, short-circuit

detector and inrush controller prevent operation outside

the safe operating area of the circuit breakers.

Precision Enable Inputs

Open-Drain, Ready Status Outputs

16-Lead 3mm × 3mm LQFN and 12-Lead (Skipped

Lead) 3mm × 4mm LQFN

APPLICATIONS

5G mMIMO PA Array Protection

Precision enable inputs, ready outputs and analog current

monitor outputs permit voltage sequencing and closed

loop bias current control applications. ECB channels may

be paralleled as needed. Load isolation and reverse cur-

rent detection applications are also possible.

Industrial Safety

Condition Monitoring

Relay Replacement

Load Switching

All registered trademarks and trademarks are the property of their respective owners.

TYPICAL APPLICATION

Bias Sequenced GaN PA 1A Servo with 1.2A Protection

IN1

OUT1

28V

1A ON/OFF Servo Response

OUT

10µF

301k

GaN PA

EN1

RDY1

COMMAND

INPUT

10k

4.7k

LTC4249

RFIN

RFOUT

1V/DIV

IMON1

HMC1086

PA V

DRIVE

2V/DIV

330pF

10k

SOME CONNECTIONS

PA V

CURRENT

1A/DIV

100Ω

OMITTED FOR CLARITY

–

LTC6228

SHDN

OUT

4249 TA01b

200µs/DIV

PA BIAS SETPOINT

DAC

–

OFF

100k

–5V

4249 TA01a

Rev. A

Document Feedback

For more information www.analog.com

12 3 4 5 6 7...24

中文翻译

下载PDF

与LTC4249相关器件

型号	品牌	获取价格	描述	数据表
LTC4251	Linear	获取价格	Negative 48V Hot Swap Controller
LTC4251	ADI	获取价格	采用 SOT-23 封装的负电压热插拨控制器
LTC4251_12	Linear	获取价格	Negative Voltage Hot Swap Controllers in SOT-23
LTC4251_15	Linear	获取价格	Negative Voltage Hot Swap Controllers in SOT-23
LTC4251-1	Linear	获取价格	Negative voltage Hot Swap controllers in SOT-23
LTC4251-1_15	Linear	获取价格	Negative Voltage Hot Swap Controllers in SOT-23
LTC4251-1CS6	Linear	获取价格	Negative Voltage Hot Swap Controllers in SOT-23
LTC4251-1CS6#TR	Linear	获取价格	LTC4251 - Negative Voltage Hot Swap Controllers in SOT-23; Package: SOT; Pins: 6; Temperat
LTC4251-1CS6#TRM	Linear	获取价格	LTC4251 - Negative Voltage Hot Swap Controllers in SOT-23; Package: SOT; Pins: 6; Temperat
LTC4251-1CS6#TRMPBF	Linear	获取价格	LTC4251 - Negative Voltage Hot Swap Controllers in SOT-23; Package: SOT; Pins: 6; Temperat

与LTC4249相关文章

SK海力士量产12层HBM3E，容量高达36GB
2024-09-27

11
意法半导体传感器驱动Sphere，开启沉浸式电影新时代
2024-09-27

14
摩尔斯微电子在美国约书亚树国家公园测试 Wi-Fi HaLow
2024-09-18

81
贸泽上架Tallysman TW5386智能GNSS天线
2024-09-18

72

产品中心

服务支持

精选活动

关于我们

帮助中心

LTC4249

LTC4249 数据手册

与LTC4249相关器件

与LTC4249相关文章

您还可以找

产品中心

服务支持

精选活动

关于我们

帮助中心

LTC4249

LTC4249 数据手册

与LTC4249相关器件

与LTC4249相关文章

您还可以找

您在本页遇到什么问题？