STEVAL-ILB001V2
36 W - 220 Vac low-cost HF ballast demonstration board
using the bipolar solution for PFC
Data brief
Features
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Power supply: 220 Vac
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Power output: 36 W
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Boost topology
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Discontinuous-conduction mode
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RoHS compliant
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Description
The STEVAL-ILB001V2 demonstration board is a
complete reference system for a simple costeffective PFC (power factor corrector) using
bipolar transistors and is intended for low-tomedium power HF ballasts.
The proposed bipolar PFC solution targets the
low-cost HF ballast market up to 80 W as it
provides a simple cost-effective solution without
sacrificing THD and PF levels. No additional ICs
are required for the PWM signal as the device
uses just a power bipolar transistor and a closedloop feedback which performs the duty cycle
modulation and output power regulation.
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The active PFC solution with bipolar transistor
adopts the boost topology operating in
discontinuous-conduction mode.
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STEVAL-ILB001V2
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September 2010
Doc ID 18010 Rev 1
For further information contact your local STMicroelectronics sales office.
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www.st.com
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Schematic circuit
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STEVAL-ILB001V2
Schematic circuit
Figure 1.
40 W demonstration board electrical schematic
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STEVAL-ILB001V2
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Revision history
Revision history
Table 1.
Document revision history
Date
Revision
23-Sep-2010
1
Changes
Initial release.
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Doc ID 18010 Rev 1
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