Datasheet > LT6119IMS-1#TRPBF

LT6119IMS-1#TRPBF

更新时间： 2024-11-11 14:52:47

品牌	Logo	应用领域
凌特 - Linear		/
页数	文件大小	规格书
28页	329K
描述
LT6119-1/LT6119-2 - Current Sense Amplifier, Reference and Comparators with POR; Package: MSOP; Pins: 10; Temperature Range: -40°C to 85°C

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LT6119IMS-1#TRPBF 技术参数

是否Rohs认证：	符合	生命周期：	Transferred
零件包装代码：	MSOP	包装说明：	MSOP-10
针数：	10	Reach Compliance Code：	compliant
风险等级：	5.57	Is Samacsys：	N
Base Number Matches：	1

LT6119IMS-1#TRPBF 数据手册

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LT6119-1/LT6119-2

Current Sense Amplifier,

Reference and Comparators

with POR

FeaTures

DescripTion

The LT^®6119 is a complete high side current sense device

that incorporates a precision current sense amplifier, an

integratedvoltagereferenceandtwolatchingcomparators.

Two versions of the LT6119 are available. The LT6119-1

has the comparators connected in opposing polarity and

the LT6119-2 has the comparators connected in the same

polarity.Thecomparatorlatchfunctionalitycanbeenabled

ordisabledandthecomparatorscanbeconfiguredtoreset

upon power-on. The input and the open-drain outputs of

the comparators are independent from the current sense

amplifier. The comparator trip points and amplifier gain

are configured with external resistors.

Current Sense Amplifier

– Fast Step Response: 500ns

– Low Offset Voltage: 200µV Maximum

– Low Gain Error: 0.2% Maximum

Internal 400mV Precision Reference

Internal Latching Comparators

– Power-On Reset Capability

– Fast Response Time: 500ns

– Total Threshold Error: 1.25% Maximum

– Two Comparator Polarity Options

Wide Supply Range: 2.7V to 60V

Supply Current: 550µA

Specified for –40°C to 125°C Temperature Range

The overall propagation delay of the LT6119 is typically

only 1.4µs, allowing for quick reaction to overcurrent and

undercurrent conditions. The 1MHz bandwidth allows the

LT6119 to be used for error detection in critical applica-

tions such as motor control. The high threshold accuracy

of the comparators, combined with the ability to latch

both comparators, ensures the LT6119 can capture high

speed events.

Available in 10-Lead MSOP Package

applicaTions

Overcurrent, Undercurrent and Fault Detection

Current Shunt Measurement

Battery Monitoring

Motor Control

Automotive Monitoring and Control

Industrial Control

The LT6119 is fully specified for operation from –40°C

to 125°C, making it suitable for industrial and automo-

tive applications. The LT6119 is available in a small

10-lead MSOP.

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

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

Typical applicaTion

Response to Overcurrent Event

Fast Acting Fault Protection with Power-On Reset and Early Warning

0.1Ω

IRF9640

12V

TO LOAD

LOAD

10V/DIV

0.1µF

6.2V*

100Ω

3.3V

24.9k

SENSEHI SENSELO

OUT

OUTA

LOAD

10k 1.62k 100k

LT6119-2

6.04k

2.37k

200mA/DIV

0mA

100nF

INC2

OUTC1

5V/DIV

250mA DISCONNECT

100mA WARNING

OUTC2

OUTC1

100mA WARNING

OUTC2

5V/DIV

2N2700

INC1

250mA DISCONNECT

–

1.6k

611912 TA01b

5µs/DIV

611912 TA01a

*CMH25234B

611912f

For more information www.linear.com/LT6119-1

12 3 4 5 6 7...28

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