LTC4213

更新时间： 2024-09-25 05:43:59

品牌	Logo	应用领域
凌特 - Linear		断路器电阻器电子
页数	文件大小	规格书
20页	181K
描述
No RSENSE™ Electronic Circuit Breaker

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中文翻译

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LTC4213 数据手册

LTC4213

No R

™

SENSE

Electronic Circuit Breaker

DESCRIPTIO

FEATURES

■

Fast 1µs Response Circuit Breaker

The LTC^®4213 is an Electronic Circuit Breaker. An over-

current circuit breaker senses the voltage across the drain

and source terminals of an external N-channel MOSFET

with no need for a sense resistor. The advantages are a

lower cost and reduced voltage and power loss in the

switch path. An internal high-side driver controls the

external MOSFET gate.

■

3 Selectable Circuit Breaker Thresholds

■

No Sense Resistor Required

■

Dual Level Overcurrent Fault Protection

■

Controls Load Voltages from 0V to 6V

■

High Side Drive for External N-Channel FET

■

Undervoltage Lockout

■

READY Pin Signals When Circuit Breaker Armed

Two integrated comparators provide dual level over-

currentprotectionoverthebiassupplytogroundcommon

mode range. The slow comparator has 16µs response

while the fast comparator trips in 1µs. The circuit breaker

has three selectable trip thresholds: 25mV, 50mV and

100mV. An ON pin controls the ON/OFF and resets circuit

breaker faults. READY signals the MOSFET is conducting

and the circuit breaker is armed. The LTC4213 operates

from V_CC= 2.3V to 6V.

■

Small Plastic (3mm x 2mm) DFN Package

APPLICATIO S

■

Electronic Circuit Breaker

■

High-Side Switch

■

Hot Board Insertion

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

No R

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

SENSE

property of their respective owners.

TYPICAL APPLICATIO

1.25V Electronic Circuit Breaker

Severe Overload Response

SI4864DY

OUT

1.25V

3.5A

1.25V

OUT

(50A/DIV)

SENSEP GATE SENSEN

BIAS

2.3V TO 6V

OUT

LTC4213

READY

(1V/DIV)

10k

OFF ON

GND

SEL

GATE

(5V/DIV)

4213 TA01

4213 TA01b

(1V/DIV)

2µs/DIV

4213f

12 3 4 5 6 7...20

中文翻译

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