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MC34023 Datasheet(PDF) 3 Page - ON Semiconductor

Part No. MC34023
Description  High Speed Single-Ended PWM Controller
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Maker  ONSEMI [ON Semiconductor]
Homepage  http://www.onsemi.com
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MC34023 Datasheet(HTML) 3 Page - ON Semiconductor

 
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MC34023 MC33023
3
MOTOROLA ANALOG IC DEVICE DATA
ELECTRICAL CHARACTERISTICS (VCC = 15 V, RT = 3.65 kΩ, CT = 1.0 nF, for typical values TA = + 25°C, for min/max values TA is
the operating ambient temperature range that applies [Note 2], unless otherwise noted.)
Characteristic
Symbol
Min
Typ
Max
Unit
ERROR AMPLIFIER SECTION
Input Offset Voltage
VIO
15
mV
Input Bias Current
IIB
0.6
3.0
µA
Input Offset Current
IIO
0.1
1.0
µA
Open–Loop Voltage Gain (VO = 1.0 V to 4.0 V)
AVOL
60
95
dB
Gain Bandwidth Product (TJ = + 25°C)
GBW
4.0
8.3
MHz
Common Mode Rejection Ratio (VCM = 1.5 V to 5.5 V)
CMRR
75
95
dB
Power Supply Rejection Ratio (VCC = 10 V to 30 V)
PSRR
85
110
dB
Output Current, Source (VO = 4.0 V)
Output Current, Sink (VO = 1.0 V)
ISource
ISink
0.5
1.0
3.0
3.6
mA
Output Voltage Swing, High State (IO = – 0.5 mA)
Output Voltage Swing, Low State (IO = 1 mA)
VOH
VOL
4.5
0
4.75
0.4
5.0
1.0
V
Slew Rate
SR
6.0
12
V/
µs
PWM COMPARATOR SECTION
Ramp Input Bias Current
IIB
– 0.5
– 5.0
µA
Duty Cycle, Maximum
Duty Cycle, Minimum
DC(max)
DC(min)
80
90
0
%
Zero Duty Cycle Threshold Voltage Pin 3(4) (Pin 7(9) = 0 V)
Vth
1.1
1.25
1.4
V
Propagation Delay (Ramp Input to Output, TJ =+ 25°C)
tPLH(in/out)
60
100
ns
SOFT–START SECTION
Charge Current (VSoft–Start = 0.5 V)
Ichg
3.0
9.0
20
µA
Discharge Current (VSoft–Start = 1.5 V)
Idischg
1.0
4.0
mA
CURRENT SENSE SECTION
Input Bias Current (Pin 9(12) = 0 V to 4.0 V)
IIB
15
µA
Current Limit Comparator Input Offset Voltage (Pin 11(14) = 1.1 V)
VIO
45
mV
Current Limit Reference Input Common Mode Range (Pin 11(14))
VCMR
1.0
1.25
V
Shutdown Comparator Threshold
Vth
1.25
1.40
1.55
V
Propagation Delay (Current Limit/Shutdown to Output, TJ =+ 25°C)
tPLH(in/out)
50
80
ns
OUTPUT SECTION
Output Voltage
Low State (ISink = 20 mA)
(ISink = 200 mA)
High State (ISource = 20 mA)
(ISource = 200 mA)
VOL
VOH
13
12
0.25
1.2
13.5
13
0.4
2.2
V
Output Voltage with UVLO Activated (VCC = 6.0 V, ISink = 0.5 mA)
VOL(UVLO)
0.25
1.0
V
Output Leakage Current (VC = 20 V)
IL
100
500
µA
Output Voltage Rise Time (CL = 1.0 nF, TJ = + 25°C)
tr
30
60
ns
Output Voltage Fall Time (CL = 1.0 nF, TJ = + 25°C)
tf
30
60
ns
UNDERVOLTAGE LOCKOUT SECTION
Start–Up Threshold (VCC Increasing)
Vth(on)
8.8
9.2
9.6
V
UVLO Hysteresis Voltage (VCC Decreasing After Turn–On)
VH
0.4
0.8
1.2
V
TOTAL DEVICE
Power Supply Current
Start–Up (VCC = 8.0 V)
Operating
ICC
0.5
20
1.2
30
mA
NOTES: 1. Maximum package power dissipation limits must be observed.
2. Low duty cycle pulse techniques are used during test to maintain junction temperature as close to ambient as possible.
Tlow =0°C for MC34023
Thigh = +70°C for MC34023
Tlow = – 40°C for MC33023
Thigh = +105°C for MC33023


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