The TEA1708 is an automatic discharge IC for X capacitors with a low power consumption (typically 1 mW at 230 V (AC).
A 500 V clamping circuit is integrated, protecting the IC during mains surges. In a typical application with only two 200 kΩ resistors, the maximum differential mode mains surge voltage allowed exceeds 6 kV. A metal oxide varistor is not required to protect the IC.
The X capacitor discharge current is internally limited to 2.3 mA. The discharge delay timer is set externally using a low voltage capacitor.
The very low power consumption in combination with a large discharge current enables the use of a large value X capacitor to reduce EMI while retaining the low standby power.
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TEA1708T GreenChip X capacitor discharge IC (REV 1.0) PDF (111.0 kB) TEA1708T | 25 Sep 2013 |
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GreenChip TEA1708T automatic discharge for X capacitors demo board (REV 1.0) PDF (169.0 kB) UM10727 | 03 Oct 2013 |
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NXP® GreenChip X-capacitor discharge IC TEA1708 (REV 2.0) PDF (509.0 kB) 75017464 | 12 Dec 2013 |
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plastic small outline package; 8 leads; body width 3.9 mm (REV 1.0) PDF (244.0 kB) SOT96-1 | 08 Feb 2016 |
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SO8; Reel pack; SMD, 13" Q1/T1 Standard product orientation Orderable part number ending ,118 or J Ordering... (REV 2.0) PDF (232.0 kB) SOT96-1_118 | 19 Apr 2013 |
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TEA1708 Nemko Certification (REV 1.0) PDF (335.0 kB) TEA1708_NEMKO_CERTIFICATION_1 | 08 Oct 2014 |
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TEA1708 datasheet for Nemko test (REV 1.0) PDF (511.0 kB) TEA1708_DATA_SHEET_FOR_NEMKO_T | 13 Dec 2013 |
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Wave Soldering Profile (REV 1.0) PDF (20.0 kB) WAVE_SOLDERING_PROFILE | 30 Sep 2013 |
Footprint for reflow soldering (REV 1.0) PDF (9.0 kB) SO-SOJ-REFLOW | 08 Oct 2009 |
Footprint for wave soldering (REV 1.0) PDF (8.0 kB) SO-SOJ-WAVE | 08 Oct 2009 |
Product | Status | Package version | Package name | Topology | fosc (kHz) | fosc peak (kHz) | fosc high (kHz) | fosc medium (kHz) | fburst (kHz) | VCC [max] (V) | Softstart | Features |
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TEA1708T/1 | Active | SO8 | 410 |
Product ID | Package Description | Outline Version | Reflow/Wave Soldering | Packing | Product Status | Part NumberOrdering code(12NC) | Marking | Chemical Content | RoHS / Pb Free / RHF | LeadFree Conversion Date | MSL | MSL LF |
---|---|---|---|---|---|---|---|---|---|---|---|---|
TEA1708T/1 | SOT96-1 | SO-SOJ-REFLOW
SO-SOJ-WAVE SO-SOJ-REFLOW SO-SOJ-WAVE | Reel 13" Q1/T1 | Active | TEA1708T/1J (9353 007 96118) | Standard Marking | TEA1708T/1 | Always Pb-free | 1 | 1 |