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STEVAL-IPB001V1
2 W 3-phase SMPS for breaker based on an ESBT

 Features and Description  Technical Documentation  Resources
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Features and Description
Active start-up network to improve the efficiency
Input voltage: 150 V to 1250 Vdc
Output power: 2 W
Switching frequency: 30 kHz
Output: 24 V/83 mA
Dedicated transformer construction
Efficiency >80%

Click for larger imageThe STEVAL-IPB001V1 demo board is a complete solution for a 2 W single-output SMPS, which is widely used as a power supply in breaker applications.
The 3-phase power supply is based on the UC3845B PWM driver and the new STC04IE170 ESBT as main switch.
However, the design method can also be applied to an SMPS suitable for 3-phase power metering applications, as it can easily be upgraded for higher output power.
Technical Documentation
Application Note Download
Resources
Gerber Files Download (31-October-2007, 25 KB)
Schematics Download (31-October-2007, 21 KB)
Bill of material Download (31-October-2007, 58 KB)
Key Products
STTH110 
UC3845B 
STC04IE170 
STP03D200 
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