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NCP1631
Vin
Vout
V aux2
I coil1
L 2
pfcOK
R bo1
R ovp1
OVP in
R out1
R out2
C osc
R t
R zcd2
1
2
3
4
16 R zcd1
15
14
13
L 1
D 1
M 1
V aux2
I coil2
D 2
Vout
Ac lin e
R bo2
R ovp2
C comp2
R comp1
R FF
5
6
7
12
11
10
Vcc
M 2
LOAD
EMI
Filter
Cin
C bo2 C comp1
8
OVP in
9
R ocp
C bulk
R CS
I in
Figure 1. Typical Application Schematic
Table 1. MAXIMUM RATINGS TABLE
Symbol
V CC(MAX)
V MAX
V Control(MAX)
Rating
Maximum Power Supply Voltage Continuous
Maximum Input Voltage on Low Power Pins
V Control Pin Maximum Input Voltage
Pin
11
1, 2, 3, 4, 6, 7,
8, 9, 10, 15,
and 16
5
Value
? 0.3, +20
? 0.3, +9.0
? 0.3, V Control(clamp) (Note 1)
Unit
V
V
V
Power Dissipation and Thermal Characteristics
P D
R q J ? A
T J
T J(MAX)
T S(MAX)
T L(MAX)
Maximum Power Dissipation @ T A = 70 ° C
Thermal Resistance Junction ? to ? Air
Operating Junction Temperature Range
Maximum Junction Temperature
Storage Temperature Range
Lead Temperature (Soldering, 10s)
ESD Capability, HBM model (Note 2)
ESD Capability, Machine Model (Note 2)
550
145
? 55 to +150
150
? 65 to +150
300
3
250
mW
° C/W
° C
° C
° C
° C
kV
V
Stresses exceeding Maximum Ratings may damage the device. Maximum Ratings are stress ratings only. Functional operation above the
Recommended Operating Conditions is not implied. Extended exposure to stresses above the Recommended Operating Conditions may affect
device reliability.
1. “V Control(clamp) ” is the pin5 clamp voltage.
2. This device(s) contains ESD protection and exceeds the following tests:
Human Body Model 2000 V per JEDEC Standard JESD22 ? A114E
Machine Model Method 200 V per JEDEC Standard JESD22 ? A115 ? A
3. This device contains latch ? up protection and exceeds 100 mA per JEDEC Standard JESD78.
http://onsemi.com
2
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