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  ON Semiconductor Electronic Components Datasheet  

MC33262 Datasheet

(MC33262 / MC34262) Power Factor Controllers

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MC33262 pdf
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
These are PbFree and HalideFree Devices
Zero Current Detector
Zero Current
5 Detect Input
2.5V
Reference
Undervoltage
Lockout
VCC
8
http://onsemi.com
POWER FACTOR
CONTROLLERS
8
1
MARKING
DIAGRAMS
PDIP8
P SUFFIX
CASE 626
8
MC3x262P
AWL
YYWWG
1
8
1
SOIC8
D SUFFIX
CASE 751
8
3x262
ALYW
G
1
x = 3 or 4
A = Assembly Location
WL, L = Wafer Lot
YY, Y = Year
WW, W = Work Week
G = PbFree Package
G = PbFree Package
Multiplier
Input 3
Multiplier,
Latch,
PWM,
Timer,
&
Logic
Multiplier
Overvoltage
Comparator
+
1.08 Vref
Error Amp
+
Vref
Quickstart
Drive Output
7
Current Sense
4 Input
PIN CONNECTIONS
Voltage Feedback
Input
1
Compensation 2
8 VCC
7 Drive Output
Multiplier Input 3
Current Sense 4
Input
6 GND
5 Zero Current
Detect Input
(Top View)
Voltage
Feedback
1 Input
ORDERING INFORMATION
See detailed ordering and shipping information in the package
dimensions section on page 17 of this data sheet.
GND 6
Compensation 2
Figure 1. Simplified Block Diagram
© Semiconductor Components Industries, LLC, 2013
August, 2013 Rev. 14
1
Publication Order Number:
MC34262/D


  ON Semiconductor Electronic Components Datasheet  

MC33262 Datasheet

(MC33262 / MC34262) Power Factor Controllers

No Preview Available !

MC33262 pdf
MC34262, MC33262
MAXIMUM RATINGS
Rating
Total Power Supply and Zener Current
Output Current, Source or Sink (Note 1)
Current Sense, Multiplier, and Voltage Feedback Inputs
Zero Current Detect Input
High State Forward Current
Low State Reverse Current
Symbol
(ICC + IZ)
IO
Vin
Iin
Value
30
500
1.0 to +10
50
10
Unit
mA
mA
V
mA
Power Dissipation and Thermal Characteristics
P Suffix, Plastic Package, Case 626
Maximum Power Dissipation @ TA = 70°C
Thermal Resistance, JunctiontoAir
D Suffix, Plastic Package, Case 751
Maximum Power Dissipation @ TA = 70°C
Thermal Resistance, JunctiontoAir
Operating Junction Temperature
Operating Ambient Temperature (Note 4)
MC34262
MC33262
PD
RqJA
PD
RqJA
TJ
TA
800
100
450
178
+150
0 to + 85
40 to +105
mW
°C/W
mW
°C/W
°C
°C
Storage Temperature
ESD Protection (Note 2)
Human Body Model ESD
Machine Model ESD
Charged Device Model ESD
Tstg
HBM
MM
CDM
65 to +150
2000
200
2000
°C
V
V
V
Stresses exceeding Maximum Ratings may damage the device. Maximum Ratings are stress ratings only. Functional operation above the
Recommended Operating Conditions is not implied. Extended exposure to stresses above the Recommended Operating Conditions may affect
device reliability.
1. Maximum package power dissipation limits must be observed.
2. ESD protection per JEDEC JESD22A114F for HBM, per JEDEC JESD22A115A for MM, and per JEDEC JESD22C101D for CDM.
This device contains latchup protection and exceeds 100 mA per JEDEC Standard JESD78.
ELECTRICAL CHARACTERISTICS (VCC = 12 V (Note 3), for typical values TA = 25°C, for min/max values TA is the operating
ambient temperature range that applies (Note 4), unless otherwise noted.)
Characteristic
Symbol
Min
Typ
Max Unit
ERROR AMPLIFIER
Voltage Feedback Input Threshold
TA = 25°C
TA = Tlow to Thigh (VCC = 12 V to 28 V)
VFB V
2.465 2.5 2.535
2.44 2.54
Line Regulation (VCC = 12 V to 28 V, TA = 25°C)
Input Bias Current (VFB = 0 V)
Transconductance (TA = 25°C)
Output Current
Source (VFB = 2.3 V)
Sink (VFB = 2.7 V)
Regline
IIB
gm
IO
80
1.0
0.1
100
10
10
10
0.5
130
mV
mA
mmho
mA
Output Voltage Swing
High State (VFB = 2.3 V)
Low State (VFB = 2.7 V)
V
VOH(ea)
5.8
6.4
VOL(ea)
1.7 2.4
OVERVOLTAGE COMPARATOR
Voltage Feedback Input Threshold
VFB(OV)
1.065 VFB
1.08 VFB
1.095 VFB
V
MULTIPLIER
Input Bias Current, Pin 3 (VFB = 0 V)
IIB
Input Threshold, Pin 2
Vth(M)
3. Adjust VCC above the startup threshold before setting to 12 V.
4. Tlow = 0°C for MC34262
Thigh = +85°C for MC34262
= 40°C for MC33262
= +105°C for MC33262.
1.05 VOL(EA)
0.1
1.2 VOL(EA)
0.5
mA
V
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2


Part Number MC33262
Description (MC33262 / MC34262) Power Factor Controllers
Manufacturer ON Semiconductor
Total Page 19 Pages
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