STMicroelectronics 19 V - 75 W SMPS using the L6563 and the L6566A EVL6566A-75WES4 EVL6566A-75WES4 Data Sheet
Product codes
EVL6566A-75WES4
Electrical characteristics
L6563S
12/43
Doc ID 16116 Rev 4
Gv
Voltage gain
Open loop
60
80
dB
GB
Gain-bandwidth product
1
MHz
I
COMP
Source current
V
COMP
= 4 V, V
INV
= 2.4 V
2
4
mA
Sink current
V
COMP
= 4 V, V
INV
= 2.6 V
2.5
4.5
mA
V
COMP
Upper clamp voltage
I
SOURCE
= 0.5 mA
5.7
6.2
6.7
V
Burst-mode voltage
(3)
2.3
2.4
2.5
Lower clamp voltage
I
SINK
= 0.5 mA
(3)
2.1
2.25
2.4
Current sense comparator
I
CS
Input bias current
V
CS
= 0
1
µA
t
LEB
Leading edge blanking
100
150
250
ns
td
(H-L)
Delay to output
100
200
300
ns
V
CSclamp
Current sense reference clamp
V
COMP
= Upper clamp,
V
MULT
=1 V V
VFF
= 1 V
1.0
1.08
1.16
V
Vcs
ofst
Current sense offset
V
MULT
= 0, V
VFF
= 3 V
40
70
mV
V
MULT
= 3 V, V
VFF
= 3 V
20
Boost inductor saturation detector
V
CS_th
Threshold on current sense
(3)
1.6
1.7
1.8
V
I
INV
E/A input pull-up current
After V
CS
> V
CS_th
, before restarting
5
10
13
µA
PFC_OK functions
I
PFC_OK
Input bias current
V
PFC_OK
= 0 to 2.6 V
-0.1
-1
µA
V
PFC_OK_C
Clamp voltage
I
PFC_OK
= 1 mA
9
9.5
V
V
PFC_OK_S
OVP threshold
(1)
voltage rising
2.435
2.5
2.565
V
V
PFC_OK_R
Restart threshold after OVP
(1)
voltage falling
2.34
2.4
2.46
V
V
PFC_OK_D
Disable threshold
(1)
voltage falling
0.12
0.35
V
V
PFC_OK_D
Disable threshold
(1)
voltage falling T
J
= 25 °C
0.17
0.23
0.29
V
V
PFC_OK_E
Enable threshold
(1)
voltage rising
0.15
0.38
V
V
PFC_OK_E
Enable threshold
(1)
voltage rising Tj = 25 °C
0.21
0.27
0.32
V
V
FFD
Feedback failure detection
threshold (V
threshold (V
INV
falling)
V
PFC_OK
> V
PFC_OK_S
1.61
1.66
1.71
mV
Zero current detector
V
ZCDH
Upper clamp voltage
I
ZCD
= 2.5 mA
5.0
5.7
V
V
ZCDL
Lower clamp voltage
I
ZCD
= - 2.5 mA
-0.3
0
0.3
V
V
ZCDA
Arming voltage
(positive-going edge)
1.1
1.4
1.9
V
Table 4.
Electrical characteristics (continued)
Symbol
Parameter
Test condition
Min.
Typ. Max. Unit