Order this document by MC34060A/D
Precision SWITCHMODE
™
Pulse Width Modulator
Control Circuit
The MC34060A is a low cost fixed frequency, pulse width modulation
control circuit designed primarily for single–ended SWITCHMODE 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 –40° to +85°C.
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Complete Pulse Width Modulation Control Circuitry
MC34060A
MC33060A
PRECISION SWITCHMODE
PULSE WIDTH MODULATOR
CONTROL CIRCUIT
SEMICONDUCTOR
TECHNICAL DATA
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On–Chip Oscillator with Master or Slave Operation
On–Chip Error Amplifiers
On–Chip 5.0 V Reference, 1.5% Accuracy
Adjustable Dead–Time Control
Uncommitted Output Transistor Rated to 200 mA Source or Sink
Undervoltage Lockout
14
1
P SUFFIX
PLASTIC PACKAGE
CASE 646
PIN CONNECTIONS
14
1
Noninv
Input
Inv
Input
Compen/PWM
Comp Input
Dead–Time
Control
CT
RT
Ground
1
2
3
+
Error
Amp 1
–
+
Error
2 Amp
–
VCC
5.0 V
ref
Noninv
14 Input
Inv
13 Input
12 Vref
11 N.C.
10 VCC
D SUFFIX
PLASTIC PACKAGE
CASE 751A
(SO–14)
0.1V
4
5
Oscillator
6
Q1
7
8
E
9
C
Device
MC34060AD
MC34060AP
MC33060AD
(Top View)
MC33060AP
ORDERING INFORMATION
Operating
Temperature Range
TA = 0° to +70°C
TA = – 40° to +85°C
Package
SO–14
Plastic DIP
SO–14
Plastic DIP
Rev 1
©
Motorola, Inc. 1996
MOTOROLA ANALOG IC DEVICE DATA
1
MOTOROLA [ MOTOROLA, INC ]
