L6566B_08 Datasheet, PDF (13/51 Pages) STMicroelectronics – Multi-mode controller for SMPS

L6566B
Electrical characteristics
Table 4. Electrical characteristics (continued)
Symbol
Parameter
Test condition
Reference voltage
V_REF Output voltage
V_REF Total variation
I_REF Short circuit current
Sink capability in UVLO
V_OV
Overvoltage threshold
Internal oscillator
f_sw
Oscillation frequency
V_OSC
D_max
Voltage reference
Maximum duty cycle
Brownout protection
Vth Threshold voltage
I_Hys
Current hysteresis
V_{AC_OK_CL} Clamp level
Line voltage feedforward
I_VFF
Input bias current
V_VFF
V_OFF
V_VFFlatch
Kc
K_FF
Linear operation range
IC disable voltage
Latch-off/clamp level
Control voltage gain ⁽³⁾
Feedforward gain ⁽³⁾
(1) _{TJ = 25 °C; IREF = 1 mA}
I_REF = 1 to 5 mA,
Vcc = 10.6 to 23 V
V_REF = 0
Vcc = 6 V; Isink = 0.5 mA
Operating range
T_J = 25 °C, V_ZCD = 0,
MODE/SC = open
Vcc =12 to 23 V, V_ZCD = 0,
MODE/SC = open
(3)
MODE/SC = open,
V_COMP = 5 V
Voltage falling (turn-off)
Voltage rising (turn-on)
Vcc > 5 V, V_VFF = 0.3 V
(1) _{IAC_OK = 100 µA}
V_VFF = 0 to 3 V, V_ZCD < V_ZCDth
V_ZCD > V_ZCDth
V_ZCD > V_ZCDth
V_VFF = 1 V, V_COMP = 4 V
V_VFF = 1 V, V_COMP = 4 V
Min Typ Max
4.95
5
5.05
4.9
5.1
10
30
0.2
0.5
5.3
5.7
10
300
95
100 105
93
100 107
0.97
1
1.03
70
75
0.432
0.452
12
3
0.450
0.485
15
3.15
0.468
0.518
18
3.3
-1
-0.7
-1
0 to 3
3
3.15 3.3
6.4
0.4
0.04
Unit
V
V
mA
V
V
kHz
V
%
V
V
µA
V
µA
mA
V
V
V
V/V
V/V
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