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TEA1532 데이터시트(PDF) 4 Page - NXP Semiconductors |
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TEA1532 데이터시트(HTML) 4 Page - NXP Semiconductors |
4 / 27 page 9397 750 13113 © Koninklijke Philips Electronics N.V. 2004. All rights reserved. Preliminary data sheet Rev. 01 — 28 May 2004 4 of 27 Philips Semiconductors TEA1532 GreenChip ™II SMPS control IC 6. Pinning information 6.1 Pinning 6.2 Pin description 7. Functional description The TEA1532 is the controller of a compact flyback converter, with the IC situated at the primary side. An auxiliary winding of the transformer provides demagnetization detection and powers the IC after start-up; see Figure 4. Fig 2. Pin configuration: TEA1532T (SOT96-1). Fig 3. Pin configuration: TEA1532P (SOT97-1). TEA1532T VCC DRAIN GND DRIVER PROTECT SENSE CTRL DEM 001aaa829 1 2 3 4 6 5 8 7 TEA1532P VCC DRAIN GND DRIVER PROTECT SENSE CTRL DEM 001aaa828 1 2 3 4 6 5 8 7 Table 2: Pin description Symbol Pin Description VCC 1 supply voltage GND 2 ground PROTECT 3 protection and timing input CTRL 4 control input DEM 5 input from auxiliary winding for demagnetization timing SENSE 6 programmable current sense input DRIVER 7 MOSFET Gate driver output DRAIN 8 connected to drain of external MOS switch, input for start-up current compensation and valley sensing |
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