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TEA1723BT 데이터시트(PDF) 2 Page - NXP Semiconductors |
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TEA1723BT 데이터시트(HTML) 2 Page - NXP Semiconductors |
2 / 14 page TEA1723BT All information provided in this document is subject to legal disclaimers. © NXP B.V. 2012. All rights reserved. Product data sheet Rev. 2.2 — 7 June 2012 2 of 14 NXP Semiconductors TEA1723BT HV start-up flyback controller with integrated MOSFET for 11 W Green features: Enables no-load power consumption < 25 mW Very low supply current in no-load condition with energy saver mode Incorporates a high voltage start-up circuit with zero current consumption under normal switching operation Available in halogen-free and Restriction of Hazardous Substances (RoHS) SO7 package Protective functions: OverVoltage Protection (OVP) on Feedback control (FB) pin with auto-restart UnderVoltage LockOut (UVLO) protection on IC supply pin OverTemperature Protection (OTP) Soft-start by reduced peak current for zero and low output voltage Demagnetization protection for guaranteed discontinuous conduction mode operation Open and short-circuit protection of the Feedback control (FB) pin Short-circuit protection of the charger output 1.3 Applications Battery chargers for cellular phones, tablet pc and other power adapters up to 11 W Standby supply for TV, desktop PC and set-top boxes Power supply for white goods applications 1.4 Quick reference data Table 1. Quick reference data Symbol Parameter Conditions Min Typ Max Unit Power switch (Pin: DRAIN) RDSon drain-source on-state resistance Ids = 30 mA; Tj = 25 °C3.5 4.8 6 Ω Oscillator (Pins: DRAIN and SOURCE) fburst burst frequency burst frequency in CVB mode, without jitter 815 905 995 Hz fosc-high oscillator frequency High maximum switching frequency in CV and CC mode, without jitter 48 50.5 53 kHz Supply (Pin: VCC) VCC(startup) start-up supply voltage 15 17 19 V VCC(stop) stop supply voltage undervoltage lockout of IC 7.5 8.5 9.5 V |
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