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STEVAL-ISA137V1
Demonstration board based on VIPer06 from the fixed-frequency
VIPer™ plus family
Data brief
Description
Top view
The STEVAL-ISA137V1 demonstration board
implements an isolated flyback (5 V / 0.6 A) 3 W
wide-range mains developed for general-purpose
applications.
The core of the application is the VIPer06HS, a
new offline high voltage converter from the VIPer
plus family.
The IC combines a high-performance low-voltage
PWM controller chip and an 800 V, avalancherugged power MOSFET in the same package.
Bottom view
The main characteristics of the demonstration
board are its small size, high efficiency and low
standby consumption. Extremely low
consumption under no-load conditions is ensured
thanks to burst mode operation, which reduces
the average switching frequency and minimizes
all frequency-related losses.
Features
• Universal input mains range: 85 - 265 VAC,
frequency: 50 - 60 Hz
• Output voltage: 5 V / 0.6 A
The VIPer06HS operates at fixed frequency, 115
kHz. Frequency jittering is implemented, enabling
it to meet the standards for electromagnetic
disturbance. Protection features on the device,
such as delayed overload, open loop failure and
hysteretic thermal protection, improve the
reliability and safety of the design.
• Very compact size
• Standby mains consumption: < 30 mW at
230 VAC
• Average efficiency: > 65%
• EMI: in accordance with EN55022-Class-B
• RoHS compliant
June 2013
DocID024830 Rev 1
For further information contact your local STMicroelectronics sales office.
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www.st.com
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Schematic diagram
1
STEVAL-ISA137V1
Schematic diagram
Figure 1. STEVAL-ISA137V1 circuit schematic
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Revision history
Revision history
Table 1. Document revision history
Date
Revision
19-Jun-2013
1
Changes
Initial release.
DocID024830 Rev 1
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STEVAL-ISA137V1
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