MC34060A_06 ONSEMI [ON Semiconductor], MC34060A_06 Datasheet

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MC34060A_06

Manufacturer Part Number
MC34060A_06
Description
Fixed Frequency, PWM, Voltage Mode Single Ended Controllers
Manufacturer
ONSEMI [ON Semiconductor]
Datasheet
MC34060A, MC33060A
Fixed Frequency, PWM,
Voltage Mode Single Ended
Controllers
modulation control circuit designed primarily for single−ended
SWITCHMODEt power supply control.
temperature range of 0° to +70°C, and the MC33060A is specified
over an automotive temperature range of −40° to +85°C.
Features
© Semiconductor Components Industries, LLC, 2006
October, 2006 − Rev. 5
The MC34060A is a low cost fixed frequency, pulse width
The MC34060A is specified over the commercial operating
Complete Pulse Width Modulation Control Circuitry
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
Pb−Free Packages are Available
Compen/PWM
Comp Input
Dead−Time
Ground
Control
Noninv
Input
Input
Inv
C
R
T
T
1
2
3
4
5
6
7
0.1V
+
PIN CONNECTIONS
Error
Amp
Oscillator
(Top View)
1
V
CC
2
5.0 V
Error
Amp
ref
+
Q1
14
13
12
10
11
9
8
Noninv
Input
Inv
Input
V
N.C.
V
C
E
ref
CC
1
14
See detailed ordering and shipping information in the package
dimensions section on page 14 of this data sheet.
14
1
1
x
A
WL
Y, YY
WW
G
ORDERING INFORMATION
http://onsemi.com
CASE 751A
CASE 646
D SUFFIX
P SUFFIX
SOIC−14
= 3 or 4
= Assembly Location
= Wafer Lot
= Year
= Work Week
= Pb−Free Package
PDIP−14
Publication Order Number:
14
14
1
1
MC3x060ADG
AWLYYWWG
DIAGRAMS
MC3x060AP
MARKING
AWLYWW
MC34060A/D

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MC34060A_06 Summary of contents

Page 1

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−ended SWITCHMODEt power supply control. The MC34060A is specified over the commercial operating temperature ...

Page 2

MAXIMUM RATINGS (Full operating ambient temperature range applies, unless otherwise noted.) Rating Power Supply Voltage Collector Output Voltage Collector Output Current (Note 1) Amplifier Input Voltage Range Power Dissipation @ T ≤ 45°C A Operating Junction Temperature Storage Temperature Range ...

Page 3

ELECTRICAL CHARACTERISTICS for min/max values T is the operating ambient temperature range that applies, unless otherwise noted.) A Characteristics REFERENCE SECTION Reference Voltage (I = 1.0 mA, T 25° − MC34060A A low ...

Page 4

ELECTRICAL CHARACTERISTICS (continued) For typical values T = 25°C, for min/max values T A Characteristics PWM COMPARATOR SECTION (Test circuit Figure 11) Input Threshold Voltage (Zero Duty Cycle) Input Sink Current (V = 0.7 V) [Pin 3] DEAD−TIME CONTROL SECTION ...

Page 5

Dead−Time Control + 1 − Error Amp 1 Description The MC34060A is a fixed−frequency pulse width modulation control circuit, incorporating the primary building blocks required for the control of a switching ...

Page 6

The control signals are external inputs that can be fed into the dead−time control, the error amplifier inputs, or the feed−back input. The dead−time control comparator has an effective 120 mV input offset which limits the minimum output dead time ...

Page 7

I , EMITTER CURRENT (mA) E Figure 7. Emitter−Follower Configuration Output Saturation Voltage versus Emitter Current 10 9.0 8.0 7.0 6.0 5.0 4.0 3.0 2.0 1.0 0 ...

Page 8

Error Amplifier + Under Test V in − − Other Error ref Amplifier Figure 11. Error Amplifier Characteristics 15V R L 68W C C Output L 15pF Transistor E 90% 90 10% 10 ...

Page 9

Output Voltage of System − ref Positive Output Voltage ref Figure 15. Error Amplifier Sensing Techniques V ref Output T ...

Page 10

V = 8.0V to 40V in 0.01 47k 1.0M + 50/50 0.01 4.7k 4.7k 150 Test Line Regulation Load Regulation Output Ripple Short Circuit Current Efficiency Figure 19. Step−Down Converter with Soft−Start Tip ...

Page 11

V = 8.0V to 26V in 22k 0.05 33k 4.7k 2.7M + 50/35V 3.9k Test Line Regulation Load Regulation Output Ripple Efficiency *Optional circuit to minimize output ripple 150mH @ 4. − ...

Page 12

V = 8.0V to 40V in 30k 0.01 47k 7.5k 1.0M + 50/50V 0.01 10k 47k 3.3k Test Line Regulation Load Regulation Output Ripple Short Circuit Current Efficiency *Optional circuit to minimize output ripple Figure 21. Step−Up/Down Voltage Inverting Converter ...

Page 13

http://onsemi.com 13 ...

Page 14

ORDERING INFORMATION Operating Temperature Range Device MC34060AD MC34060ADG MC34060ADR2 T = 0° to +70°C MC34060ADR2G A MC34060AP MC34060APG MC33060AD MC33060ADG MC33060ADR2 T = −40° to +85°C MC33060ADR2G A MC33060AP MC33060APG †For information on tape and reel specifications, including part orientation ...

Page 15

G −T− SEATING 14 PL PLANE 0.25 (0.010 14X 0.58 *For additional information on our Pb−Free strategy and soldering details, please download the ON Semiconductor Soldering and Mounting Techniques ...

Page 16

−T− SEATING PLANE SWITCHMODE is a trademark of Semiconductor Components Industries, LLC. ON Semiconductor and are registered trademarks of Semiconductor Components Industries, LLC (SCILLC). SCILLC reserves the right to make ...

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