MIC2044 Просмотр технического описания (PDF) - Micrel

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Компоненты Описание

производитель

MIC2044

Single Channel, High Current, Low Voltage, Protected Power Distribution Switch

Micrel 

MIC2044/2045

Functional Characteristics

5V Turn-On

5V Turn-Off

Micrel

V =V

= 5.0V

IN

R

W BIAS

= 1.65

m LOAD

C

= 47 F

W LOAD

R

= 100

SET

TIME (1ms/div.)

Latched Output

MIC2045

VIN = VBIAS = 5.0V

RLOAD = 1.8Ω

CLOAD = 47µF

RSET = 220Ω

TIME (5ms/div.)

Current Limit Response

VIN = VBIAS = 5.0V

RLOAD = 1.2Ω

CLOAD = 47µF

RSET = 100Ω

TIME (5ms/div.)

MIC2044/2045

8

V =V

= 5.0V

IN

BIAS

R

= 1.65V

LOAD

C

m = 47 F

LOAD

R

W = 100

SET

m TIME (500 s/div.)

Latched Output Reset

MIC2045

4.82V

VIN = VBIAS = 5.0V

RLOAD toggles from 2Ω to OPEN

CLOAD = 47µF

RSET = 220Ω

TIME (50ms/div.)

UVLO Response

1.45V

VIN ramps 0V to 1.8V

RLOAD = 5Ω

CLOAD = 47µF

RSET = 220Ω

TIME (2.5ms/div.)

January 2005

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