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TEA1521T

NXP
Part Number TEA1521T
Manufacturer NXP
Description SMPS
Published Jun 2, 2015
Detailed Description TEA152x SMPS ICs for low-power systems Rev. 04 — 14 September 2010 Product data sheet 1. General description The TEA15...
Datasheet PDF File TEA1521T PDF File

TEA1521T
TEA1521T

Overview
TEA152x SMPS ICs for low-power systems Rev.
04 — 14 September 2010 Product data sheet 1.
General description The TEA152x family STARplug is a Switched Mode Power Supply (SMPS) controller IC that operates directly from the rectified universal mains.
It is implemented in the high-voltage EZ-HV SOI process, combined with a low-voltage Bipolar Complementary Metal-Oxide Semiconductor (BiCMOS) process.
The device includes a high-voltage power switch and a circuit for start-up directly from the rectified mains voltage.
A dedicated circuit for valley switching is built in, which makes a very efficient slim-line electronic power-plug concept possible.
In its most basic version of application, the TEA152x family acts as a voltage source.
Here, no additional secondary electronics are required.
A combined voltage and current source can be realized with minimum costs for external components.
Implementation of the TEA152x family renders an efficient and low cost power supply system.
2.
Features and benefits „ Designed for general purpose supplies up to 30 W „ Integrated power switch: ‹ TEA1520x: 48 Ω; 650 V ‹ TEA1521x: 24 Ω; 650 V ‹ TEA1522x: 12 Ω; 650 V ‹ TEA1523P: 6.
5 Ω; 650 V „ Operates from universal AC mains supplies (80 V to 276 V) „ Adjustable frequency for flexible design „ RC oscillator for load insensitive regulation loop constant „ Valley switching for minimum switch-on loss „ Frequency reduction at low power output makes low standby power possible (< 100 mW) „ Adjustable overcurrent protection „ Undervoltage protection „ Temperature protection „ Short-circuit winding protection „ Simple application with both primary and secondary (opto) feedback „ Available in DIP8 and SO14 packages NXP Semiconductors TEA152x SMPS ICs for low-power systems 3.
Applications „ Chargers „ Adapters „ Set-Top Box (STB) „ DVD „ CD(R) „ TV/monitor standby supplies „ PC peripherals „ Microcontroller supplies in home applications and small portable equipment, etc.
4.
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