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HVLED101 Datasheet(PDF) 10 Page - STMicroelectronics

No. de pieza HVLED101
Descripción Electrónicos  Advanced high power factor flyback controller with valley locking and maximum power control
PDF  36 Pages
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Fabricante Electrónico  STMICROELECTRONICS [STMicroelectronics]
Página de inicio  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

HVLED101 Datasheet(HTML) 10 Page - STMicroelectronics

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Symbol
Pin/Block
Parameter
Test condition
Min.
Typ.
Max.
Unit
TOPTO-TRIG
OPTO
Minimum pulse
duration to exit
from ramp-up
phase
10.5
µs
Current sense input
VCS-MIN
CS
Current sense
minimum level
during burst-mode
VFB < VBM
25
50
80
mV
VCS-RU
CS
Current sense level
during ramp-up
During fixed frequency ramp-up
phase
170
200
230
mV
TLEB
CS
Leading edge
blanking
230
300
390
ns
VOCP2
CS
Saturation
protection threshold
(2nd OCP)
During on-time [TrackCS]
1.2
1.3
1.4
V
VOCP1
CS
Cycle-by-cycle
current sense limit
(1st OCP)
During on-time [TrackCS]
0.837
0.9
0.963
V
TOCP
CS
Max. stop state
duration after 2nd
OCP
Tpulse = 1 µs, amplitude 2 V
0.72
1.04
1.41
ms
TPD
CS
Propagation to
output of current
sense detection
On time running, dV/dt = 0.141 V/us
80
ns
KFF
CS, ZCD
Current gain
between ZCD
source current and
CS pin source
current
On time running, IZCD = 0 to 3 mA
75
µA/mA
ZCD input
VZCD-TRIG
ZCD
ZCD triggering
threshold
Negative going edge [TRACKZCD]
0.16
0.2
0.26
V
VZCD-ARM
ZCD
ZCD arming
threshold
Positive going edge [TRACKZCD]
0.24
0.3
0.39
V
TBLANK
ZCD
ZCD minimum
blanking time
From MOSFET turn-off,
with PSR S&H > VUVP
0.97
1.5
2.1
µs
From MOSFET turn-off,
with PSR S&H < VUVP
3.3
5.5
7.7
µs
TDLY-MIN
DLY/CFG
ZCD trigger to GD
on min. delay
RDLY = 120 kΩ
355
ns
TDLY-MAX
DLY/CFG
ZCD trigger to GD
on max. delay
RDLY = 270 kΩ
675
ns
TWAIT-MIN
ZCD
ZCD waiting time
after TBLANK elapse
Starting from ZCD trigger, RDLY = 120
kΩ [track TDLY]
2.2
µs
TWAIT-MAX
ZCD
Starting from ZCD trigger, RDLY = 2.7
kΩ [track TDLY]
4.8
µs
VZCD-CLP-low ZCD
ZCD negative
clamping voltage
IZCD source = 3 mA
-250
mV
IZCD-Bias
ZCD
ZCD pin biasing
current
VZCD = 2.7 V
1
µA
VZCD-max
ZCD
ZCD pin max.
positive voltage
IZCD sink = 1mA
3
V
HVLED101
Electrical characteristics
DS14143 - Rev 2
page 10/36



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