TEA1750T/N1,518【PDF 2/29 页】IC PFC CONTROLLER DCM16SOIC

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Sheet目录46

1页 [2页]3页 4页 5页 6页

TEA1750_2

Product data sheet

Rev. 02 15 December 2008

2 of 29

NXP Semiconductors

TEA1750

GreenChip III SMPS control IC

2.4 Flyback green features

I Valley switching for minimum switching losses (patented)

I Frequency reduction with xed minimum peak current at low power operation to

maintain high efciency at low output power levels

2.5 Protection features

I Safe restart mode for system fault conditions

I Continuous mode protection by means of demagnetization detection for both

converters (patented)

I UnderVoltage Protection (UVP) (foldback during overload)

I Accurate OverVoltage Protection (OVP) for both converters (adjustable for yback

converter)

I Open control loop protection for both converters

I IC OverTemperature Protection (OTP)

I Low and adjustable OverCurrent Protection (OCP) trip level for both converters

I Soft (re)start for both converters

I Soft stop PFC to minimize audible noise

I Mains UnderVoltage Protection (UVP)/ brownout protection

I General purpose input for latched protection, e.g. to be used for system

Overtemperature protection

3. Applications

I The device can be used in all applications that require an efcient and cost-effective

power supply solution up to 250 W. Notebook adapters in particular can benet from

the high level of integration.

4. Ordering information

Table 1.

Ordering information

Type number

Package

Name

Description

Version

TEA1750T

SO16

plastic small outline package; 16 leads; body width 3.9 mm

SOT109-1

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