STEVAL-ILL042V1 STMICROELECTRONICS [STMicroelectronics], STEVAL-ILL042V1 Datasheet

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STEVAL-ILL042V1

Manufacturer Part Number
STEVAL-ILL042V1
Description
60 W high power factor flyback LED driver based on the L6562AT and TSM101
Manufacturer
STMICROELECTRONICS [STMicroelectronics]
Datasheet
Features
Description
The STEVAL-ILL042V1 demonstration board is a
LED power supply in high PF flyback
configuration able to drive a 60 W LED array. The
board is based on the L6562AT and the TSM101
controller.
This configuration uses an isolated feedback with
an optocoupler and a secondary side
reference/error amplifier, the TSM101, for voltage
and current regulation.
The TSM101 includes two op-amps. One op-amp
is used for constant voltage control and the other
one for constant current control.
The L6562AT is a PFC controller operating in
transition mode. The highly linear multiplier
includes a special circuit which is able to reduce
AC input current distortion, allowing wide-range
mains operation with an extremely low THD, even
over a large load range.
Efficiency is high at heavy load, more than 90% is
achievable.
This system, designed using the L6562AT and the
TSM101 controller, offers several advantages in
terms of output current and voltage stability.
March 2012
For further information contact your local STMicroelectronics sales office.
Mains voltage range: V
V
Minimum mains frequency: f
DC output voltage: V
Maximum output current: I
Minimum switching frequency: f
Reflected voltage: V
Leakage inductance spike: V
Expected efficiency: 92 %
RoHS compliant
ACmax
= 265 V
60 W high power factor flyback LED driver based on the
ac
R
out
= 195 V
ACmin
= 130 V
out
L
spike
= 185 V
= 0.462 A
= 47 Hz
SWmin
= 100 V
ac
= 57 Hz
,
Doc ID 022285 Rev 2
STEVAL-ILL042V1
L6562AT and TSM101
Data brief
www.st.com
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STEVAL-ILL042V1 Summary of contents

Page 1

... Leakage inductance spike: V ■ Expected efficiency ■ RoHS compliant Description The STEVAL-ILL042V1 demonstration board is a LED power supply in high PF flyback configuration able to drive LED array. The board is based on the L6562AT and the TSM101 controller. This configuration uses an isolated feedback with ...

Page 2

... Schematic 1 Schematic Figure 1. Electrical schematic 2/4 Vref VCC 1 8 Csense Vrin 2 7 Crref Output 3 6 Gnd Crin INV VCC 1 8 COMP MULT GND ZCD 4 5 Doc ID 022285 Rev 2 STEVAL-ILL042V1 AM10531v1 ...

Page 3

... STEVAL-ILL042V1 2 Revision history Table 1. Document revision history Date 28-Sep-2011 20-Mar-2012 Revision 1 Initial release. 2 Modified: title of the document Doc ID 022285 Rev 2 Revision history Changes 3/4 ...

Page 4

... Australia - Belgium - Brazil - Canada - China - Czech Republic - Finland - France - Germany - Hong Kong - India - Israel - Italy - Japan - Malaysia - Malta - Morocco - Philippines - Singapore - Spain - Sweden - Switzerland - United Kingdom - United States of America 4/4 Please Read Carefully: © 2012 STMicroelectronics - All rights reserved STMicroelectronics group of companies www.st.com Doc ID 022285 Rev 2 STEVAL-ILL042V1 ...

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