TEA1523P
SMPS ICs for low-power systems
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 i the
high-voltage EZ-HV SOI process, combined with a low-voltage 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.
I its most basic versio of application, the TEA152x family acts as a voltage source.
Here, no additional secondary electronics are required. A combined voltage and current
source ca be realized with minimum costs for external components. Implementatio of
the TEA152x family renders a efficient and low cost power supply system.
2. Features
Designed for general purpose supplies up to 30 W
Integrated power switch:
u TEA1520x: 48 Ω; 650 V
u TEA1521x: 24 Ω; 650 V
u TEA1522x: 12 Ω; 650 V
u 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 regulatio loop constant
Valley switching for minimum switch-o loss
Frequency reductio at low power output makes low standby power possible
(< 100 mW)
Adjustable overcurrent protection
Undervoltage protection
Temperature protection
Short-circuit winding protection
Simple applicatio with both primary and secondary (opto) feedback
Available i DIP8 and SO14 packages
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