ML4863 Просмотр технического описания (PDF) - Micro Linear Corporation

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ML4863

High Efficiency Flyback Controller

Micro Linear Corporation 

ML4863

PIN CONFIGURATION

ML4863

8-Pin SOIC (S08)

VIN

SENSE

SHDN

VFB

1

8

2

7

3

6

4

5

TOP VIEW

GND

OUT 2

OUT 1

VCC

PIN DESCRIPTION

PIN NAME

1 VIN

2 SENSE

FUNCTION

Battery input voltage

Secondary side current sense

3 SHDN

4 VFB

Pulling this pin high initiates a

shutdown mode to minimize battery

drain

Feedback input from transformer

secondary, and supply voltage when

VOUT > 4.5V

PIN NAME

5 VCC

6 OUT 1

7 OUT 2

8 GND

FUNCTION

Internal power supply node for

connection of a bypass capacitor

Flyback primary switch MOSFET driver

output

Flyback synchronous rectifier MOSFET

driver output

Analog signal ground

2

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