LM1851 Ver la hoja de datos (PDF) - Unisonic Technologies

Número de pieza

componentes Descripción

Fabricante

LM1851

GROUND FAULT INTERRUPTER

Unisonic Technologies 

UTC LM1851

LINEAR INTEGRATED CIRCUIT

TYPICAL PERFORMANCE CHARACTERISTICS

1000

Average Trip Time vs Fault Current

CIRCUIT OF

FIGURE 2

100

UL943

NORMAL

FAULT

10

Normal Fault Current Threshold vs RSET

100

RSET=

If

7V

(rms)*×(0.91)

SENSE TRANSF0RMER

1000:1

10

0

0.01

0.1

1.0

10

TRIP TIME (SECONDS)

Output Drive Current vs Output Voltage

1400

1200

1000

800

600

31V

5mA

8

400

1mA 1 A

200

VPIN1

0

4

0 5 10 15 20 25 30 35

OUTPUT VOLTAGE@ VPIN1 (V)

1

100k

10

1M

RSET (Ω)

10M

Pin 1 Saturation Voltage vs External

Load Current, IL

1

5mA 31V

8

IL

0.1

1mA 1

V

0.01

0.1

1

4

10

100

EXTERNAL LOAD CURRENT, LI (mA)

UTC assumes no responsibility for equipment failures that result from using products at values that

exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or

other parameters) listed in products specifications of any and all UTC products described or contained

herein. UTC products are not designed for use in life support appliances, devices or systems where

malfunction of these products can be reasonably expected to result in personal injury. Reproduction in

whole or in part is prohibited without the prior written consent of the copyright owner. The information

presented in this document does not form part of any quotation or contract, is believed to be accurate

and reliable and may be changed without notice.

UTC UNISONIC TECHNOLOGIES CO., LTD. 9

QW-R122-007,A

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