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參數資料
| 型號： | MC33262PG |
| 廠商： | ON SEMICONDUCTOR |
| 元件分類： | 穩壓器 |
| 英文描述： | Power Factor Controllers |
| 中文描述： | 0.5 A POWER FACTOR CONTROLLER, PDIP8 |
| 封裝： | LEAD FREE, PLASTIC, DIP-8 |
| 文件頁數： | 1/19頁 |
| 文件大小： | 399K |
| 代理商： | MC33262PG |
Semiconductor Components Industries, LLC, 2005
November, 2005 Rev. 9
1
Publication Order Number:
MC34262/D
MC34262, MC33262
Power Factor Controllers
The MC34262/MC33262 are active power factor controllers
specifically designed for use as a preconverter in electronic ballast
and in offline power converter applications. These integrated
circuits feature an internal startup timer for standalone applications,
a one quadrant multiplier for near unity power factor, zero current
detector to ensure critical conduction operation, transconductance
error amplifier, quickstart circuit for enhanced startup, trimmed
internal bandgap reference, current sensing comparator, and a totem
pole output ideally suited for driving a power MOSFET.
Also included are protective features consisting of an overvoltage
comparator to eliminate runaway output voltage due to load removal,
input undervoltage lockout with hysteresis, cyclebycycle current
limiting, multiplier output clamp that limits maximum peak switch
current, an RS latch for single pulse metering, and a drive output high
state clamp for MOSFET gate protection. These devices are
available in dualinline and surface mount plastic packages.
Features
Overvoltage Comparator Eliminates Runaway Output Voltage
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
Supersedes Functionality of SG3561 and TDA4817
PbFree Packages are Available
Figure 1. Simplified Block Diagram
Voltage
Feedback
Input
Multiplier,
Latch,
PWM,
Timer,
&
Logic
Error Amp
Multiplier
Undervoltage
Lockout
2.5V
Reference
Zero Current Detector
5
8
6
7
4
3
2
1
Drive Output
GND
Zero Current
Detect Input
Multiplier
Input
Compensation
V
CC
Current Sense
Input
Overvoltage
Comparator
+1.08 V
ref
+
V
ref
Quickstart
POWER FACTOR
CONTROLLERS
PIN CONNECTIONS
SOIC8
D SUFFIX
CASE 751
8
1
8
1
PDIP8
P SUFFIX
CASE 626
Voltage Feedback
Input
1
2
3
4
8
7
6
5
(Top View)
Compensation
Multiplier Input
Current Sense
Input
V
CC
Drive Output
GND
Zero Current
Detect Input
http://onsemi.com
See detailed ordering and shipping information in the package
dimensions section on page 17 of this data sheet.
ORDERING INFORMATION
x
A
WL, L
YY, Y
WW, W = Work Week
G
= PbFree Package
= PbFree Package
= 3 or 4
= Assembly Location
= Wafer Lot
= Year
MARKING
DIAGRAMS
MC3x262P
AWL
YYWWG
1
8
3x262
ALYW
1
8
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| MC33263 | 制造商:SPC Multicomp 功能描述:HEATSINK TO220 14/W 制造商:SPC Multicomp 功能描述:HEATSINK TO220 14C/W 制造商:SPC Multicomp 功能描述:HEAT SINK; Packages Cooled:TO-220; Thermal Resistance:13.4C/W; External Height - Imperial:1"; External Height - Metric:25.4mm; External Width - Imperial:1.374"; External Width - Metric:34.9mm; External Length - Imperial:0.5" ;RoHS Compliant: Yes |
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