TL494CN ON Semiconductor, TL494CN Datasheet - Page 7

• Manufacturer Part Number: TL494CN
• Description: IC PWM VM 16DIP
• Manufacturer: ON Semiconductor
• Series: SWITCHMODE™r

Specifications of TL494CN

• Pwm Type: Voltage Mode
• Number Of Outputs: 1
• Frequency - Max: 200kHz
• Duty Cycle: 50%
• Voltage - Supply: 7 V ~ 40 V
• Buck: No
• Boost: No
• Flyback: No
• Inverting: No
• Doubler: No
• Divider: No
• Cuk: No
• Isolated: No
• Operating Temperature: 0°C ~ 70°C
• Package / Case: 16-DIP (0.300", 7.62mm)
• Frequency-max: 200kHz
• Topology: Boost, Buck, Flyback, Forward, Full-Bridge, Half-Bridge, Push-Pull
• Output Voltage: 40 V
• Output Current: 200 mA
• Switching Frequency: 300 KHz
• Duty Cycle (max): 45 %
• Operating Supply Voltage: 15 V
• Maximum Operating Temperature: + 70 C
• Minimum Operating Temperature: 0 C
• Fall Time: 40 ns
• Mounting Style: Through Hole
• Rise Time: 100 ns
• Synchronous Pin: No
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Other names: TL494CNOS

120
110
100
2.0
1.6
1.4
1.2
1.8
1.0
0.8
0.6
0.4
90
80
70
60
50
40
30
20
10
50
40
30
20
10
0
0
1.0
0
0
Figure 4. Open Loop Voltage Gain and
Figure 8. Common−Emitter Configuration
2
Figure 6. Percent Duty Cycle versus
10
Output Saturation Voltage versus
1
V
Phase versus Frequency
DT
Deadtime Control Voltage
100
, DEADTIME CONTROL VOLTAGE (IV)
I
1.0
C
, COLLECTOR CURRENT (mA)
100
Collector Current
f, FREQUENCY (Hz)
A
VOL
1.0 k
200
2.0
10 k
V
V
CC
OC
1. C
2.
2. C
2.
V
DV
R
= 15 V
= V
CC
L
R
R
= 2.0 kW
O
300
T
T
T
T
100 k
ref
= 15 V
= 3.0 V
= 0.01 mF
= 10 kW
= 0.001 mF
= 30 kW
3.0
φ
TL494, NCV494
http://onsemi.com
1.0 M
0
20
40
60
80
100
120
140
160
180
3.5
400
7
8.0
6.0
4.0
2.0
1.9
1.8
1.7
1.6
1.5
1.4
1.3
1.2
1.1
9.0
8.0
7.0
6.0
5.0
4.0
3.0
2.0
1.0
20
18
16
14
12
10
10
0
0
500 k 1.0 k
0
0
Figure 7. Emitter−Follower Configuration
5.0
Output Saturation Voltage versus
Figure 5. Percent Deadtime versus
Figure 9. Standby Supply Current
f
100
osc
10
, OSCILLATOR FREQUENCY (Hz)
Oscillator Frequency
I
versus Supply Voltage
E,
V
CC
Emitter Current
EMITTER CURRENT (mA)
, SUPPLY VOLTAGE (V)
15
10 k
200
20
25
0.001 mF
C
T
300
100 k
30
= 0.001 mF
35
500 k
400
40