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MC33262CDR2 Datasheet

  • MC33262CDR2

  • ON Semiconductor [Power Factor Controllers]

  • 394.60KB

  • ONSEMI

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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 off鈭抣ine power converter applications. These integrated
circuits feature an internal startup timer for stand鈭抋lone 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, cycle鈭抌y鈭抍ycle 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 dual鈭抜n鈭抣ine and surface mount plastic packages.
Features
http://onsemi.com
POWER FACTOR
CONTROLLERS
MARKING
DIAGRAMS
8
PDIP鈭?
P SUFFIX
CASE 626
8
1
1
MC3x262P
AWL
YYWWG
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
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
Pb鈭扚ree Packages are Available
Zero Current Detector
5
Zero Current
Detect Input
8
8
1
SOIC鈭?
D SUFFIX
CASE 751
1
x
A
WL, L
YY, Y
WW, W
G
G
= 3 or 4
= Assembly Location
= Wafer Lot
= Year
= Work Week
= Pb鈭扚ree Package
= Pb鈭扚ree Package
3x262
ALYW
G
2.5V
Reference
Undervoltage
Lockout
V
CC
8
PIN CONNECTIONS
Drive Output
Multiplier,
Latch,
PWM,
Timer,
&
Logic
7
Current Sense
Input
Voltage Feedback
Input
Compensation
Multiplier Input
Current Sense
Input
1
2
3
4
(Top View)
8 V
CC
7 Drive Output
6 GND
5 Zero Current
Detect Input
Overvoltage
Comparator
+
Error Amp
1.08 V
ref
4
ORDERING INFORMATION
Multiplier
Input 3
+
Multiplier
Quickstart
GND
6
Compensation
2
V
ref
Voltage
Feedback
1 Input
See detailed ordering and shipping information in the package
dimensions section on page 17 of this data sheet.
Figure 1. Simplified Block Diagram
漏
Semiconductor Components Industries, LLC, 2005
1
November, 2005 鈭?Rev. 9
Publication Order Number:
MC34262/D

MC33262CDR2 PDF文件相关型号

MC34262D,MC34262DG,MC34262DR2,MC34262DR2G

MC33262CDR2 产品属性

  • 2,500

  • 集成电路 (IC)

  • PMIC - PFC（功率因数修正）

  • -

  • 临界传导（CRM）

  • -

  • 250µA

  • 12 V ~ 28 V

  • -40°C ~ 105°C

  • 表面贴装

  • 8-SOIC（0.154"，3.90mm 宽）

  • 8-SOICN

  • 带卷 (TR)

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