L6566A_08 Datasheet, PDF (14/51 Pages) STMicroelectronics – Multi-mode controller for SMPS with PFC front-end

Electrical characteristics
L6566A
Table 4. Electrical characteristics (continued)
Symbol
Parameter
Test condition
Min.
Current sense comparator
I_CS
t_LEB
td_(H-L)
Input bias current
Leading edge blanking
Delay to output
V_CSx Overcurrent setpoint
V_CSdis Hiccup-mode OCP level
PWM control
V_CS = 0
150
V_COMP = V_COMPHI, V_VFF = 0 V
V_COMP = V_COMPHI, V_VFF = 1.5 V
V_COMP = V_COMPHI, V_VFF = 3.0 V
(1)
0.92
0.45
1.4
V_COMPHI
V_COMPLO
V_COMPSH
I_COMP
R_COMP
Upper clamp voltage
Lower clamp voltage
Linear dynamics upper limit
Max. source current
Dynamic resistance
V_COMPBM Burst-mode threshold
I_COMP = 0
I_SOURCE = -1 mA
(1) _{VVFF = 0 V}
V_COMP = 3.3 V
V_COMP = 2.6 to 4.8 V
(1)
(1) _{MODE/SC = Open}
Hys Burst-mode hysteresis
I_CLAMPL Lower clamp capability
V_COMPOFF Disable threshold
V_COMP = 2 V
Voltage falling
Zero current detector/ overvoltage protection
4.8
320
2.52
2.7
-3.5
V_ZCDH
V_ZCDL
V_ZCDA
V_ZCDT
Upper clamp voltage
Lower clamp voltage
Arming voltage
Triggering voltage
I_ZCD Internal pull-up
I_ZCDsrc
I_ZCDsnk
T_BLANK1
V_ZCDth
T_BLANK2
Source current capability
Sink current capability
Turn-on inhibit time
OVP threshold
OVP strobe delay
I_ZCD = 3 mA
I_ZCD = - 3 mA
(1) _{positive-going edge}
(1) _{negative-going edge}
V_COMP < V_COMPSH
VZCD < 2 V, V_COMP = V_COMPHI
V_ZCD = V_ZCDL
V_ZCD = V_ZCDH
After gate-drive going low
After gate-drive going low
5.4
85
30
-130
-3
3
4.85
Typ.
250
1
0.5
0
1.5
5.7
2.0
5
400
25
2.65
2.85
20
1.4
5.7
-0.4
100
50
-100
2.5
5
2
Max.
-1
300
100
1.08
0.55
0.1
1.6
5.2
480
2.78
3
-1.5
6
115
70
-1
-70
5.15
Unit
µA
ns
ns
V
V
V
V
V
µA
kΩ
V
mV
mA
V
V
V
mV
mV
µA
mA
mA
µs
V
µs
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