L6566B STMicroelectronics, L6566B Datasheet - Page 42

• Manufacturer Part Number: L6566B
• Description: IC CTRLR OVP OTP UVLO HV 16SOIC
• Manufacturer: STMicroelectronics

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

Application information
Table 6.
42/51
Short circuit
Shutdown1
Protection Description Caused by
Reference
protection
Brownout
2
nd
OVP
OLP
OTP
drift
OCP
Output short
saturation or
overtempera
Transformer
undervoltag
e protection
overvoltage
Gate driver
secondary
L6566B protections
protection
protection
protection
protection
Externally
protection
protection
shutdown
V
overload
shorted
settable
Internal
thermal
disable
Output
Output
REF
circuit
Mains
diode
ture
drift
V
h
consecutive
switching
cycles
VFF >
VFFlatch
V
=V
V
V
V
=V
V
V
V
=V
V
V
V
=V
V
V
consecutive
V
T
V
V
ZCD
for 4
COMP
SS
SSDIS
COMP
SS
SSLAT
COMP
SS
SSDIS
COMP
SS
SSLAT
switching
V
DIS
j
REF
V
COMPHi
COMPHi
COMPHi
COMPHi
AC_OK
FF
for 2-3
cycles
V
> 160
CSDIS
>
>
>
>
V
CS
>V
>V
> V
th
> V
(4)
(6)
>
ZCDt
OTP
o
off
<
ov
C
behavior
restart
restart
Latched
Latched
Latched
Latched
Latched
Latched
restart
restart
restart
restart
Auto
Auto
Auto
Auto
Auto
Auto
IC
(5)
(1)
(2)
restart
13.5
13.5
13.5
13.5
13.5
Vcc
(V)
5
5
5
5
5
5
5
(mA)
IC Iq
0.33
1.46
0.33
1.46
0.33
0.33
0.33
0.33
0.33
0.33
2.2
2.5
VREF
5
5
(V)
0
0
0
0
0
0
0
0
0
5
(6)
(6)
unchanged
unchanged
<V
<V
SSLAT
SSLAT
V
V
SS
(6)
0
0
0
0
0
0
0
0
SS
SS
(3)
(6)
V
V
unchang
VCOMP
COMPHi
COMPHi
(V)
ed
(6)
(5)
0
0
0
0
0
0
0
0
0
OSC
(V)
0
0
0
0
0
0
0
0
0
0
1
FMOD
uncha
nged
0
0
0
0
0
0
0
0
0
0
0
unchanged
unchanged
unchanged
unchanged
unchanged
L6566B
VFF
0
0
0
0
0
0
0