L6563HTR STMicroelectronics, L6563HTR Datasheet - Page 27

• Manufacturer Part Number: L6563HTR
• Description: IC PFC CTRLR TRANSITION 16SOIC
• Manufacturer: STMicroelectronics

Specifications of L6563HTR

• Mode: Discontinuous (Transition)
• Current - Startup: 90µA
• Voltage - Supply: 10.3 V ~ 22.5 V
• Operating Temperature: -25°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: 16-SOIC (3.9mm Width)
• For Use With: 497-9082 - EVAL BOARD L6563 (200W)497-8850 - BOARD EVAL FOR L6563/STW55NM60N497-8834 - BOARD DEMO FOR L6563/LL6566A
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Frequency - Switching: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: 497-9075-2

L6563H
The twice-mains-frequency (2
peak amplitude that, with good approximation, is given by:
where f
ripple, related to the amplitude of its 2
Figure 40
amount of maximum desired 3rd harmonic distortion.
Note that there is a minimum value for the time constant R
activation of the V
across C
detection threshold (ΔV
Always connect R
floating or connected directly to ground.
Figure 40. R
R
FF
· C
L
FF
FF
is the line frequency. The amount of 3rd harmonic distortion introduced by this
shows a diagram that helps choose the time constant R
[s]
under steady state conditions must be lower than the minimum line drop
current
0.01
FF
0.1
10
1
·C
0.1
FF
FF
FF
fast discharge may occur. In fact, the twice-mains-frequency ripple
and C
as a function of 3rd harmonic distortion introduced in the input
VFF_min
FF
to the pin, the IC will not work properly if the pin is either left
•
Doc ID 16047 Rev 3
f
L
= 40 mV). Therefore:
R
) ripple appearing across C
FF
f = 60 Hz
Δ
⋅
L
D
C
V
3
•
FF
FF
f
%
L
component, is:
>
=
=
1
2
2
D %
+
V
2
π
3
1
Δ
f 4
MULTpk
V
f
L
V
100
L
MULTpk
R
f 4
VFF
R
FF
L
FF
f = 50 Hz
_
L
C
_
C
min
_
min
FF
max
FF
−
FF
1
FF
·C
is triangular with a peak-to-
FF
below which improper
FF
Application information
·C
FF
10
based on the
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