TDA16847-2 datasheet(3/29 Pages) INFINEON

tên linh kiện	TDA16847-2

Giải thích chi tiết về linh kiện	Controller for Switch Mode Power Supplies Supporting Low Power Standby and Power Factor

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Version 2.0

3

31 Jul 2003

Controller for Switch Mode Power Supplies

Supporting Low Power Standby and Power

Factor Correction

TDA 16846/16846-2

TDA 16847/16847-2

Bipolar IC

P-DSO-14-3

P-DIP-14-3

1Overview

1.1

Features

• Line Current Consumption with PFC

• Low Power Consumption

• Stable and Adjustable Standby Frequency

• Very Low Start-up Current

• Soft-Start for Quiet Start-up

• Free usable Fault Comparators

• Synchronization and Fixed Frequency Circuits

• Over- and Undervoltage Lockout

• Switch Off at Mains Undervoltage

• Temporary High Power Circuit (only TDA 16847-2)

• Mains Voltage Dependent Fold Back Point Correction

• Continuous Frequency Reduction with Decreasing Load

• Adjustable and Voltage Dependent Ringing Suppression Time

1.2

Description

The TDA 16846-2 (this name is used in the description for all types) is optimized to

control free running or fixed frequency flyback converters with or without Power Factor

Correction (Current Pump). To provide low power consumption at light loads, this device

reduces the switching frequency in small steps with load, towards an adjustable

minimum (e. g. 20 kHz in standby mode). Additionally, the startup current is very low. To

avoid switching stress on the power devices, the power transistor is always switched on

at minimum voltage. A special circuit is implemented to avoid jitter. The device has

Type

Ordering Code

Package

TDA 16846

Q67000-A9377

P-DIP-14-3

TDA 16847

Q67000-A9378

P-DIP-14-3

TDA 16846G

Q67006-A9430

P-DSO-14-3

TDA 16847G

Q67006-A9412

P-DSO-14-3

TDA 16846-2

Q67040-S4494

P-DIP-14-3

TDA 16847-2

Q67040-S4496

P-DIP-14-3

TDA 16846-2G

Q67040-S4495

P-DSO-14-3

TDA 16847-2G

Q67040-S4497

P-DSO-14-3

Số phần tương tự - TDA16847-2

nhà sản xuất	tên linh kiện	bảng dữ liệu	Giải thích chi tiết về linh kiện
Infineon Technologies A...	TDA16847	351Kb / 28P	ICs for Consumer Electronics 2000-01-14
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Mô tả tương tự - TDA16847-2

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