L6566ATR View Datasheet(PDF) - STMicroelectronics
Part Name
Description
MFG CO.
'L6566ATR' PDF : 51 Pages View PDF
L6566A
Electrical characteristics
Table 4. Electrical characteristics (continued)
Symbol
Parameter
Test condition
Min. Typ. Max.
IREF Short-circuit current
Sink capability in UVLO
VOV Overvoltage threshold
Internal oscillator
VREF = 0
Vcc = 6 V; Isink = 0.5 mA
10
30
0.2 0.5
5.3 5.7
fsw
Oscillation frequency
VOSC
Dmax
Voltage reference
Maximum duty cycle
Brownout protection
Operating range
TJ = 25 °C, VZCD = 0,
MODE/SC = open
Vcc=12 to 23 V, VZCD = 0,
MODE/SC = open
(1)
MODE/SC = open,
VCOMP = 5 V
10
300
95 100 105
93 100 107
0.97
1
1.03
70
75
Vth Threshold voltage
IHys
Current hysteresis
VAC_OK_CL Clamp level
Line voltage feedforward
Voltage falling (turn-off)
Voltage rising (turn-on)
Vcc > 5 V, VVFF = 0.3 V
(1) IAC_OK = 100 µA
0.432
0.452
12
3
0.450
0.485
15
3.15
0.468
0.518
18
3.3
IVFF
Input bias current
VVFF
VOFF
VVFFlatch
Kc
KFF
Linear operation range
IC disable voltage
Latch-off/clamp level
Control voltage gain (3)
Feedforward gain (3)
Current sense comparator
VVFF = 0 to 3 V, VZCD < VZCDth
-1
VZCD > VZCDth
-0.7
-1
0 to 3
3
3.15 3.3
VZCD > VZCDth
VVFF = 1 V, VCOMP = 4 V
VVFF = 1 V, VCOMP = 4 V
6.4
0.4
0.04
ICS
tLEB
td(H-L)
Input bias current
Leading edge blanking
Delay to output
VCSx Overcurrent setpoint
VCSdis Hiccup-mode OCP level
VCS = 0
-1
150 250 300
100
VCOMP = VCOMPHI, VVFF = 0 V 0.92
1
1.08
VCOMP = VCOMPHI, VVFF = 1.5 V 0.45
0.5
0.55
VCOMP = VCOMPHI, VVFF = 3.0 V
0
0.1
(1)
1.4 1.5 1.6
Unit
mA
V
V
kHz
V
%
V
V
µA
V
µA
mA
V
V
V
V/V
V/V
µA
ns
ns
V
V
Doc ID 13794 Rev 4
13/52
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