TEA1507 查看數據表（PDF） - Philips Electronics

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TEA1507

GreenChipII SMPS control IC

Philips Electronics 

Philips Semiconductors

GreenChip™II SMPS control IC

Preliminary specification

TEA1507

handbook, full pagewidth

primary

stroke

secondary

stroke

drain

secondary

ringing

valley

secondary

stroke

oscillator

B

A

MGU235

A: Start of new cycle at lowest drain voltage.

B: Start of new cycle in a classical PWM system at high drain voltage.

Fig.7 Signals for valley switching.

2000 Dec 05

7

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