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MC34060A_06 Datasheet, PDF (1/16 Pages) ON Semiconductor – Fixed Frequency, PWM, Voltage Mode Single Ended Controllers | |||
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MC34060A, MC33060A
Fixed Frequency, PWM,
Voltage Mode Single Ended
Controllers
The MC34060A is a low cost fixed frequency, pulse width
modulation control circuit designed primarily for singleâended
SWITCHMODEt power supply control.
The MC34060A is specified over the commercial operating
temperature range of 0° to +70°C, and the MC33060A is specified
over an automotive temperature range of â40° to +85°C.
Features
⢠Complete Pulse Width Modulation Control Circuitry
⢠OnâChip Oscillator with Master or Slave Operation
⢠OnâChip Error Amplifiers
⢠OnâChip 5.0 V Reference, 1.5% Accuracy
⢠Adjustable DeadâTime Control
⢠Uncommitted Output Transistor Rated to 200 mA Source or Sink
⢠Undervoltage Lockout
⢠PbâFree Packages are Available
PIN CONNECTIONS
Noninv
Input 1
Inv
Input
2
Compen/PWM
Comp Input
3
DeadâTime
Control
4
+
Error
Amp 1
â
0.1V
+
Error
2 Amp
â
VCC
5.0 V
ref
Noninv
14 Input
13
Inv
Input
12 Vref
11 N.C.
CT 5
RT 6
Ground 7
Oscillator
10 VCC
9C
Q1
8E
http://onsemi.com
14
1
MARKING
DIAGRAMS
14
SOICâ14
D SUFFIX
CASE 751A
MC3x060ADG
AWLYWW
1
14
1
14
PDIPâ14
P SUFFIX
CASE 646
1
MC3x060AP
AWLYYWWG
x
A
WL
Y, YY
WW
G
= 3 or 4
= Assembly Location
= Wafer Lot
= Year
= Work Week
= PbâFree Package
ORDERING INFORMATION
See detailed ordering and shipping information in the package
dimensions section on page 14 of this data sheet.
(Top View)
© Semiconductor Components Industries, LLC, 2006
1
October, 2006 â Rev. 5
Publication Order Number:
MC34060A/D
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