MC44608 Просмотр технического описания (PDF) - Motorola => Freescale

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Компоненты Описание

производитель

MC44608

Few External Components Reliable and Flexible GreenLine™ Very High Voltage PWM Controller

Motorola => Freescale 

MC44608

Representative Block Diagram

Demag

Vi

DMG +

– 50 mV

/20 mV

1

>24 mA >120 mA

UVLO2

8

9 mA

Start–up

Source

1

S1

2

Isense

Demag

Logic

Output

Latched off

Phase

Start–up

Phase

200 mA

Switching

Phase

0

Start–up

Phase

Latched off Phase

Start–up Phase

Switching Phase

VCC

Management

OVP

2 mS

UVLO1

UVLO2

&

OUT Disable

DMG

&

Stand–by

Stand–by

Management

OSC

Enable

OSC

OC NOC

Leading Edge

Blanking

Output

&

Clock

+

PWM

–

VPWM

&

&

Thermal

S Shutdown

PWM

Latch

RQ

Buffer

+

CS

–

1V

4 kHz Filter

Latched off Phase

Stand–by

&

Regulation

S2

S3

Block

Switching Phase

6

VCC

5

Driver

4

GND

3

Control

Input

MAXIMUM RATINGS

Rating

Total Power Supply Current

Output Supply Voltage with Respect to Ground

All Inputs except Vi

Line Voltage

Power Dissipation and Thermal Characteristics

Maximum Power Dissipation at TA = 85°C

Thermal Resistance, Junction–to–Air

Operating Junction Temperature

Operating Ambient Temperature

Symbol

ICC

VCC

Vinputs

Vi

PD

RθJA

TJ

TA

Value

30

16

–1.0 to +16

500

600

100

150

–25 to +85

Unit

mA

V

V

V

mW

°C/W

°C

°C

2

MOTOROLA ANALOG IC DEVICE DATA

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