MC33232
Power Factor Controller
The MC33232 is the monolithic Integrated Circuit using the
SMARTMOS
廬
process as the new technology. And is active power
factor controller specially design for use as off鈭抣ine power converter
application. This integrated circuit features an internal startup timer
for stand鈭抋lone application, a one quadrant multiplier for near unity
power factor, zero current detector to ensure critical condition
operation, transconductance error amplifier, quickstart circuit for
enhanced startup, trimmed internal bandgap reference, current sensing
comparator, a totem pole output ideally suited for drive a power
MOSFET, and a one shot鈭抮igger circuit to eliminate a problem at the
light loading.
Also included are protective features consisting of an overvoltage
comparator to eliminate runaway output voltage due to removal, and a
protect circuit to eliminate thermal runaway. This device is available
in dual鈭抜n鈭抣ine and surface mount plastic package.
Features
http://onsemi.com
SILICON MONOLITHIC
INTEGRATED CIRCUIT
MARKING
DIAGRAMS
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One Shot鈭抰rigger Circuit to Eliminate a Problem at the Light Loading
Overvoltage Comparator Eliminates Runaway Output Voltage
Quickstart Circuit for Enhanced Startup
Internal Startup Timer
One Quadrant Multiplier
Zero Current Detector
Trimmed 2% Internal Bandgap Reference
Totem Pole Output with High State Clamp
Undervoltage Lockout with 6.0 V of Hysteresis
Low Startup and Operating Current
Pb鈭扚ree Packages are Available
PDIP鈭?
P SUFFIX
CASE 626
MC33232P
AWL
YYWW
8
SOIC鈭?
D SUFFIX
CASE 751
1
33232
ALYW
A
WL or L
Y
WW or W
=
=
=
=
Assembly Location
Wafer Lot
Year
Work Week
PIN ASSIGNMENT
Voltage Feedback
Input
Compensation
Multiplier Input
Current Sense
Input
1
2
3
4
8
7
6
5
V
CC
Drive Output
GND
Zero Current
Detect Input
ORDERING INFORMATION
See detailed ordering and shipping information in the package
dimensions section on page 2 of this data sheet.
漏
Semiconductor Components Industries, LLC, 2005
1
March, 2005 鈭?Rev. 1
Publication Order Number:
MC33232/D
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MC33232D PDF文件相關(guān)型號
MC33232DG
MC33232D 產(chǎn)品屬性
98
集成電路 (IC)
PMIC - PFC(功率因數(shù)修正)
SMARTMOS®
臨界傳導(dǎo)(CRM)
-
50µA
12 V ~ 25 V
-20°C ~ 85°C
表面貼裝
8-SOIC(0.154",3.90mm 寬)
8-SOICN
管件
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