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MC33363DW Datasheet(PDF) 10 Page - ON Semiconductor

tên linh kiện MC33363DW
Nội dung chi tiết  HIGH VOLTAGE OFF-LINE SWITCHING REGULATOR
tải về  12 Pages
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nhà sản xuất  ONSEMI [ON Semiconductor]
Trang chủ  http://www.onsemi.com
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MC33363
10
MOTOROLA ANALOG IC DEVICE DATA
Figure 20. 8.0 W Off–Line Converter
Osc
PWM
PWM Latch
Thermal
EA
Startup
Reg
UVLO
14.5 V/
9.5 V
OVP
2.6 V
2.6 V
R1
8
6
7
4, 5, 12, 13
11
16
9
10
1
92 to 276
5.05 V/1.6 A
R
S
Q
Driver
3
LEB
Mirror
270
µA
15 k
Vac Input
C3
820 pF
C4
1.0
R2
2.7 k
IC1 MC33363
5
4
R4
5.1 k
R3
1.0 k
C2
10
C1
33
C6
47 pF
C5
4.0 nF
R6
180 k
1.0 W
DC Output
C12
1.0
C11
220
R8
220
R9
2.80 k
C7
100 nF
1
2
3
1
2
R10
2.74 k
IC3
TL431B
C8
330
C9
330
C10
330
T1
D6
MUR
120
R5
39
D5
MUR
1100E
L1
5.0
µH
R7
2.2 k
1.0 W
IC2
MOC
8103
1N4006
D3
D4
D2
D1
F1
1.0 A
ILimit
D7
MBR
1635
Figure 21. Converter Test Data
Test
Conditions
Results
Line Regulation
Vin = 92 Vac to 276 Vac, IO 1.6 A
∆ = 1.0 mV
Load Regulation
Vin = 115 Vac, IO = 0.4 A to 1.6 A
∆ = 4.0 mV
Vin = 230 Vac, IO = 0.4 A to 1.6 A
∆ = 4.0 mV
Output Ripple
Vin = 115 Vac, IO = 1.6 A
Triangular = 2.0 mVpp, Spike = 12 mVpp
Vin = 230 Vac, IO = 1.6 A
Triangular = 2.0 mVpp, Spike = 12 mVpp
Efficiency
Vin = 115 Vac, IO = 1.6 A
78.6%*
Vin = 230 Vac, IO = 1.6 A
75.6%
This data was taken with the components listed below mounted on the printed circuit board shown in Figure 22.
* With MBR2535CTL, 79.8% efficiency. PCB layout modification is required to use this rectifier.
For high efficiency and small circuit board size, the Sanyo Os–Con capacitors are recommended for C8, C9, C10 and C11.
C8, C9, C10 = Sanyo Os–Con #6SA330M, 330
µF 6.3 V.
C11 = Sanyo Os–Con #10SA220M, 220
µF 10 V.
L1 = Coilcraft S5088–A, 5.0
µH, 0.11 Ω.
T1 = Coilcraft S5502–A
Primary: 77 turns of # 28 AWG, Pin 1 = start, Pin 8 = finish.
Two layers 0.002
″ Mylar tape.
Secondary: 5 turns of # 22 AWG, 2 strands bifiliar wound, Pin 5 = start, Pin 4 = finish.
Two layers 0.002
″ Mylar tape.
Auxiliary: 13 turns of # 28 AWG wound in center of bobbin, Pin 2 = start, Pin 7 = finish.
Two layers 0.002
″ Mylar tape.
Gap: 0.006
″ total for a primary inductance (LP) of 1.0 mH.
Core and Bobbin: Coilcraft PT1950, E187, 3F3 material.



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