L6566ATR STMicroelectronics, L6566ATR Datasheet - Page 44

• Manufacturer Part Number: L6566ATR
• Description: IC CTRLR OVP UVLO 16SOIC
• Manufacturer: STMicroelectronics

Specifications of L6566ATR

• Output Isolation: Isolated
• Frequency Range: 93 ~ 107kHz
• Voltage - Input: 8 ~ 23 V
• Power (watts): 750mW
• Operating Temperature: -40°C ~ 150°C
• Package / Case: 16-SOIC (0.154", 3.90mm Width)
• For Use With: 497-8834 - BOARD DEMO FOR L6563/LL6566A497-6452 - 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
• Other names: 497-6296-2

Application examples and ideas
6
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Figure 28. Typical low-cost application schematic
Figure 29. Typical full-feature application schematic (QR operation)
R14
R13
PFC Pre-regulator Output bus
MODE/SC
QR operation
Optional f or
VFF
R12
DIS
PFC controller
to Vcc pin of
PFC Pre-regulator Output bus
VFF
DIS
8
15
12
NTC2
Vcc_PFC
15
8
C4
Application examples and ideas
10
10
FMOD
Output capacitor of boost
C1
VREF
VREF
C4 R6
6
PFC Pre-regulator
6
v oltage sensing
Output capacitor of boost
12
MODE/SC
13
to mains
PFC Pre-regulator
OSC
L6566A
16
AC_OK
L6566A
R3 470k
R6
IC1
C5
AC_OK
IC1
13
OSC
14
SS
C5
1
16
HVS
9
14
COMP
SS
1
C6
HVS
5
9
Vcc
COMP
3
GND
C6
5
Vcc
3
11
GND
11
4
7
4
7
C3
GD
CS
ZCD
ZCD
GD
CS
R2
QR operation
Optional f or
R4
D3
R18
R3
C3
D3 1N4148
D2
D1
R4
R1
R2
D1
R1
1N4148
D2
C2
C2
R5
Q1
R5
Q1
T1
T1
C8A,B
C7 2.2 nF Y1
D4
C8A,B
C7 2.2 nF Y1
D4
4
3
IC3 PC817A
4
3
IC3
TL431
TL431
2
2
1
1
Vout
C9
R7
Vout
C9
R7
R8
R8
L6566A
R9
R10
R9
R10