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MC34060 Datasheet

  • MC34060

  • ON Semiconductor [Fixed Frequency, PWM, Voltage Mode Single...

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  • ONSEMI

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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 single鈥揺nded
SWITCHMODEt power supply control.
The MC34060A is specified over the commercial operating
temperature range of 0掳 to +70掳C, and the MC33060A is specified
over an automotive temperature range of 鈥?0掳 to +85掳C.
鈥?/div>
Complete Pulse Width Modulation Control Circuitry
鈥?/div>
On鈥揅hip Oscillator with Master or Slave Operation
鈥?/div>
On鈥揅hip Error Amplifiers
鈥?/div>
On鈥揅hip 5.0 V Reference, 1.5% Accuracy
鈥?/div>
Adjustable Dead鈥揟ime Control
鈥?/div>
Uncommitted Output Transistor Rated to 200 mA Source or Sink
鈥?/div>
Undervoltage Lockout
http://onsemi.com
MARKING
DIAGRAMS
14
SO鈥?4
D SUFFIX
CASE 751A
1
14
PDIP鈥?4
P SUFFIX
CASE 646
14
1
x
= 3 or 4
A
= Assembly Location
WL = Wafer Lot
YY, Y = Year
WW = Work Week
1
MC3x060AP
AWLYYWW
MC3x060AD
AWLYWW
14
1
PIN CONNECTIONS
ORDERING INFORMATION
See detailed ordering and shipping information in the package
dimensions section on page 14 of this data sheet.
Noninv
Input
Inv
Input
Compen/PWM
Comp Input
Dead-Time
Control
C
T
R
T
Ground
1
2
3
+
Error
Amp 1
-
Error
2 Amp
V
CC
5.0 V
ref
+
-
Noninv
14 Input
Inv
13 Input
12 V
ref
11 N.C.
10 V
CC
0.1V
4
5
Oscillator
6
9
Q1
8
C
E
7
(Top View)
漏
Semiconductor Components Industries, LLC, 2002
1
January, 2002 鈥?Rev. 3
Publication Order Number:
MC34060A/D

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