L6566B STMicroelectronics, L6566B Datasheet - Page 45
![IC CTRLR OVP OTP UVLO HV 16SOIC](/photos/1/39/13919/497-16-soic_series_sml.jpg)
L6566B
Manufacturer Part Number
L6566B
Description
IC CTRLR OVP OTP UVLO HV 16SOIC
Manufacturer
STMicroelectronics
Datasheet
1.L6566BTR.pdf
(51 pages)
Specifications of L6566B
Output Isolation
Isolated
Frequency Range
10 ~ 300kHz
Voltage - Input
8 ~ 23 V
Power (watts)
750mW
Operating Temperature
-40°C ~ 150°C
Package / Case
16-SOIC (0.154", 3.90mm Width)
Output Current
800 mA
Output Power
750 mW
Input Voltage
8 V to 23 V
Operating Temperature Range
- 40 C to + 150 C
Mounting Style
SMD/SMT
Duty Cycle (max)
75 %
Selectable Multi-mode Operation
fixed frequency or quasi-resonant
For Use With
497-6452 - BOARD EVAL FOR L6566B497-6451 - BOARD EVAL FOR L6566B497-6450 - BOARD EVAL FOR L6566B497-6449 - BOARD EVAL FOR L6566A
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
L6566B
Manufacturer:
ST
Quantity:
20 000
Part Number:
L6566BHTR
Manufacturer:
ST
Quantity:
20 000
Part Number:
L6566BTR-13
Manufacturer:
ST
Quantity:
20 000
L6566B
Table 7.
Figure 30. Typical full-feature application schematic (FF operation)
OCP auto-restart
OCP latched
R15
R14
R13
264 Vac
88 to
Vin
R12
fuse
AC_OK
F1
CX1
VFF
DIS
NTC2
External circuits that determine IC behavior upon OVP and OCP
16
15
8
C4
Lx
10
VREF
C10
NTC1
CX2
6
FMOD
MODE/SC
R
R
R
CY1
R11
L1
L2
R
R
H
R
R6
L6566B
L1
L2
H
13
IC1
12
OSC
R16
C5
CY2
R
R
14
AC_OK
FF
OVP latched
B1
SS
AC_OK
FF
R
1
VFF
FF
HVS
VFF
9
COMP
≈ 10 R
C6
5
16
15
16
15
Vcc
SS
3
SS
14
C1
GND
14
11
L2
4
7
L6566B
L6566B
1N4148
ZCD
GD
CS
R18
10
VREF
R3
10
C3
VREF
D3 1N4148
R4
R2
D1
R1
R17
1N4148
D2
C2
R5
Q1
R
R
R
R
R
L1
L2
R
H
L1
L2
H
T1
Application examples and ideas
AC_OK
Diode needed if
Diode needed if
VFF
OVP auto-restart
C8A,B
C7 2.2 nF Y1
D4
AC_OK
VFF
SS
16
15
14
IC3 PC817A
4
3
1N4148
L6566B
SS
16
15
14
TL431
3
3
.
.
3
L6566B
3
2
+
+
1
1
1
10
1
1
VREF
.
+
.
3
+
3
R
R
⋅
R
⋅
R
10
L
10
L
L
L
1
2
10
1
2
−
VREF
Vout
−
3
C9
R7
3
R
R
L
L
1
1
R8
≥
≥
6
6
.
4
.
R9
4
R10
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