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TEA1708T Datasheet

Part Number TEA1708T
Manufacturers NXP
Logo NXP
Description GreenChip X capacitor discharger
Datasheet TEA1708T DatasheetTEA1708T Datasheet (PDF)

TEA1708T GreenChip X capacitor discharge IC Rev. 1.1 — 6 April 2020 Product data sheet 1 General description 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 .

  TEA1708T   TEA1708T






GreenChip X capacitor discharger

TEA1708T GreenChip X capacitor discharge IC Rev. 1.1 — 6 April 2020 Product data sheet 1 General description 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. To reduce EMI while retaining the low standby power, the very low power consumption with a high discharge current enables the use of a high value X-capacitor. 2 Features and benefits • 1 mW power consumption at 230 V (AC) • Integrated 500 V clamp; no metal oxide varistor required to protect the IC • Self-Supplied, no external bias required • Discharge current internally limited • Adjustable discharge delay • Very high differential surge: 6 kV with two 200 kΩ resistors • Easier application design, resolving EMI issues while retaining the efficiency level 3 Applications • All AC-connected power supplies with X-capacitors > 100 nF requiring a low load standby power. 4 Ordering information Table 1. Ordering information Type number Package Name TEA1708T/1 SO8 Description plastic small outline package; 8 leads; body width 3.9 mm Version SOT96-.


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