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MC33368 PDF预览

MC33368

更新时间： 2024-11-05 22:54:59
品牌 Logo 应用领域
安森美 - ONSEMI 高压控制器
页数 文件大小 规格书
20页 478K
描述
High Voltage GreenLine Power Factor Controller

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中文翻译

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MC33368 数据手册

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The MC33368 is an active power factor controller that functions as a  
boost preconverter in off–line power supply applications. MC33368 is  
optimized for low power, high density power supplies requiring a  
minimum board area, reduced component count and low power  
dissipation. The narrow body SOIC package provides a small  
footprint. Integration of the high voltage startup saves approximately  
0.7 W of power compared to resistor bootstrapped circuits.  
http://onsemi.com  
MARKING  
DIAGRAMS  
16  
The MC33368 features a watchdog timer to initiate output  
switching, a one quadrant multiplier to force the line current to follow  
the instantaneous line voltage a zero current detector to ensure critical  
conduction operation, a transconductance error amplifier, a current  
sensing comparator, a 5.0 V reference, an undervoltage lockout  
DIP–16  
P SUFFIX  
CASE 648  
MC33368P  
AWLYYWW  
16  
1
16  
1
SO–16  
D SUFFIX  
CASE 751K  
(UVLO) circuit which monitors the V  
supply voltage and a CMOS  
CC  
MC33368D  
AWLYWW  
driver for driving MOSFETs. The MC33368 also includes a  
programmable output switching frequency clamp. Protection features  
include an output overvoltage comparator to minimize overshoot, a  
restart delay timer and cycle–by–cycle current limiting.  
• Lossless Off–Line Startup  
• Output Overvoltage Comparator  
• Leading Edge Blanking (LEB) for Noise Immunity  
• Watchdog Timer to Initiate Switching  
• Restart Delay Timer  
16  
1
1
A
= Assembly Location  
WL = Wafer Lot  
YY, Y = Year  
WW = Work Week  
PIN CONNECTIONS  
Line  
16  
1
2
3
4
5
6
7
8
5.0 V  
ref  
Restart Delay  
Voltage FB  
Comp  
15 N/C  
14 N/C  
13  
12  
11  
10  
9
Frequency Clamp  
Mult  
V
CC  
Current Sense  
Zero Current  
AGnd  
Gate  
PGnd  
LEB  
(Top View)  
Line  
1
2
3
4
5
6
7
8
16  
5.0 V  
ref  
Restart Delay  
Voltage FB  
Comp  
13  
12  
11  
10  
9
Frequency Clamp  
Mult  
V
CC  
Current Sense  
Zero Current  
AGnd  
Gate  
PGnd  
LEB  
(Top View)  
ORDERING INFORMATION  
Device  
Package  
SO–16  
SO–16  
DIP–16  
Shipping  
MC33368D  
MC33368DR2  
MC33368P  
48 Units/Rail  
2500 Tape & Reel  
25 Units/Rail  
Semiconductor Components Industries, LLC, 2000  
1
Publication Order Number:  
April, 2000 – Rev. 4  
MC33368/D  
1234567...20

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