L6566B_08 Datasheet, PDF (12/51 Pages) STMicroelectronics – Multi-mode controller for SMPS

Electrical characteristics
4
Electrical characteristics
L6566B
(T_J = -25 to 125°C, V_CC = 12, C_O = 1 nF; MODE/SC = V_REF, R_T = 20 kΩ from OSC to GND,
unless otherwise specified).
Table 4. Electrical characteristics
Symbol
Parameter
Supply voltage
Vcc Operating range after turn-on
Vcc_On Turn-on threshold
Vcc_Off Turn-off threshold
Hys Hysteresis
V_Z
Zener voltage
Supply current
I_start-up
I_q
Icc
Start-up current
Quiescent current
Operating supply current
I_qdis
Quiescent current
High-voltage start-up generator
V_HV
V_HVstart
I_charge
Breakdown voltage
Start voltage
Vcc charge current
I_{HV, ON} ON-state current
I_{HV, OFF} OFF-state leakage current
V_CCrestart Vcc restart voltage
Test condition
V_COMP > V_COMPL
V_COMP = V_COMPO
(1)
(1) _{VCOMP > VCOMPL}
(1) _{VCOMP = VCOMPO}
V_COMP > V_COMPL
Icc = 20 mA, IC disabled
Before turn-on, Vcc = 13 V
After turn-on, V_ZCD = V_CS = 1 V
MODE/SC open
IC disabled ⁽²⁾
IC latched off
I_HV < 100 µA
I_Vcc < 100 µA
V_HV > V_Hvstart, Vcc > 3 V
V_HV > V_Hvstart, Vcc > 3 V
V_HV > V_Hvstart, Vcc = 0
V_HV = 400 V
Vcc falling
(1) _{IC latched off}
(1) _{Disabled by}
V_COMP < V_COMPOFF
Min
10.6
8
13
9.4
7.2
23
330
700
65
0.55
4.4
12.5
9.4
Typ
14
10
7.6
4
25
200
2.6
4
440
80
0.85
5
13.5
10
Max
23
23
15
10.6
8.0
27
250
2.8
4.6
2500
500
100
1
1.6
0.8
40
5.6
14.5
10.6
Unit
V
V
V
V
V
µA
mA
mA
µA
V
V
mA
mA
µA
V
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