Datasheet > 44608P40

44608P40

更新时间： 2022-11-24 21:40:14

品牌	Logo	应用领域
安森美 - ONSEMI		控制器
页数	文件大小	规格书
16页	269K
描述
Few External Components Reliable Flexible GreenLine Very High Voltage PWM Controller

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44608P40 数据手册

http://onsemi.com

The MC44608 is a high performance voltage mode controller

designed for off–line converters. This high voltage circuit that

integrates the start–up current source and the oscillator capacitor,

requires few external components while offering a high flexibility and

reliability.

The device also features a very high efficiency stand–by

management consisting of an effective Pulsed Mode operation. This

technique enables the reduction of the stand–by power consumption to

approximately 1W while delivering 300mW in a 150W SMPS.

• Integrated Start–Up Current Source

DIP–8

P SUFFIX

CASE 626

• Lossless Off–Line Start–Up

• Direct Off–Line Operation

• Fast Start–Up

PIN CONNECTIONS AND

MARKING DIAGRAM

General Features

• Flexibility

• Duty Cycle Control

• Undervoltage Lockout with Hysteresis

• On Chip Oscillator Switching Frequency 40, or 75kHz

• Secondary Control with Few External Components

Demag

sense

Control Input

Gnd

Driver

Protections

AWL = Manufacturing Code

YYWW = Date Code

• Maximum Duty Cycle Limitation

• Cycle by Cycle Current Limitation

• Demagnetization (Zero Current Detection) Protection

(Top View)

• “Over V

Protection” Against Open Loop

•

ProgrammableLowInertiaOverVoltageProtectionAgainstOpenLoop

• Internal Thermal Protection

ORDERING INFORMATION

GreenLine Controller

Switching

Frequency

Device

Package Shipping

• Pulsed Mode Techniques for a Very High Efficiency Low Power

Mode

• Lossless Startup

Plastic

DIP–8

MC44608P40

MC44608P75

40kHz

75kHz

50 / Rail

Plastic

DIP–8

• Low dV/dT for Low EMI Radiations

50 / Rail

Semiconductor Components Industries, LLC, 1999

Publication Order Number:

January, 2000 – Rev. 2

MC44608/D

12 3 4 5 6 7...16

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