参数资料
型号: MC33260DR2
厂商: ON Semiconductor
文件页数: 18/22页
文件大小: 372K
描述: IC PFC COMPACT PRECONVERT 8SOIC
产品变化通告: LTB Notification 03/Jan/2008
标准包装: 1
系列: GreenLine™
模式: 间歇导电(DCM)
电流 - 启动: 100µA
电源电压: 11 V ~ 16 V
工作温度: -40°C ~ 105°C
安装类型: 表面贴装
封装/外壳: 8-SOIC(0.154",3.90mm 宽)
供应商设备封装: 8-SOICN
包装: 剪切带 (CT)
其它名称: MC33260DR2OSCT
MC33260
http://onsemi.com
18
Figure 37. 80 W Wide Mains Power Factor Corrector
C2
47 mF
450 V
D5
+
80 W Load
(SMPS, Lamp
Ballast,...)
R1
1 M?/DIV>
0.25 W
EMI
Filter
15 k?0.25 W
R2
1 M?/DIV>
0.25 W
MUR460E
1N4007
D1
D2
D4
D3
R4
1 ?2 W
R3
C1
330 nF
500 Vdc
Q1
MTP4N50E
L1    320 mH
90 to
270 Vac
22 ?0.25 W
R5
Feedback
Block
--
+
I
ocp
(205 mA)
--
+
PWM
Latch
Synchronization
Block
S
R
Q
Q
REGULATOR
Enable
I
ref
V
ref
11 V/8.5 V
Output
ThStdwn
--
+
C4
330 pF
Synchro
Gnd
Drive
V
CC
PWM Comp
I
ref
I
o
I
ref
I
o
C3
680 nF
300 k
I
o
1.5 V
97%.I
ref
I
ref
V
reg
Output
CT
V
control
I
o
Current
Sense
Block
Regulation
Block
Output
Buffer
V
prot
MC33260
--60 mV
V
reg
Oscillator
15 pF
I
oscch
=
2x|0x|0
I
ref
LEB
0
1
1
0
UVP, OVP
V
prot
I
o
I
ovpL
I
ovpH
I
uvp
(-- -- --)
L1: Coilcraft N2881 - - A (primary: 62 turns of # 22 AWG - - Secondary: 5 turns of # 22 AWG Core: Coilcraft PT2510, EE 25
L1: Gap: 0.072?/SPAN> total for a primary inductance (Lp) of 320 mH)
Feedback
Input
POWER FACTOR CONTROLLER TEST DATA*
AC Line Input
DC Output
Current Harmonic Distortion (% I
fund
)
V
rms
(V)
P
in
(W)
PF
(- -)
I
fund
(mA)
THD
H2
H3
H5
H7
H9
V
o
(V)
?SPAN class="pst MC33260DR2G_2636607_2">V
o
(V)
I
o
(mA)
P
o
(W)
h
(%)
90
88.2
0.991
990
8.1
0.07
5.9
4.3
1.5
1.7
181
31.2
440
79.6
90.2
110
86.3
0.996
782
7.0
0.05
2.7
5.7
1.1
0.8
222
26.4
360
79.9
92.6
135
85.2
0.995
642
8.2
0.03
1.5
6.8
1.1
1.5
265
20.8
300
79.5
93.3
180
87.0
0.994
480
9.5
0.16
4.0
6.5
3.1
4.0
360
16.0
225
81.0
93.1
220
84.7
0.982
385
15
0.5
8.4
7.8
5.3
1.9
379
14.0
210
79.6
94.4
240
85.3
0.975
359
16.5
0.7
9.0
7.8
7.4
3.8
384
14.0
210
80.6
94.5
260
84.0
0.967
330
18.8
0.7
11.0
7.0
9.0
4.0
392
13.2
205
80.4
95.7
*Measurements performed using Voltech PM1200 ac power analysis.
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