TL494CN ON Semiconductor, TL494CN Datasheet - Page 8
![IC PWM VM 16DIP](/photos/6/54/65493/16-dip_648_sml.jpg)
TL494CN
Manufacturer Part Number
TL494CN
Description
IC PWM VM 16DIP
Manufacturer
ON Semiconductor
Series
SWITCHMODE™r
Datasheet
1.TL494CDR2G.pdf
(14 pages)
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
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
TL494CN
Manufacturer:
TI/德州仪器
Quantity:
20 000
Company:
Part Number:
TL494CN/UPC494C
Manufacturer:
TI/NEC/KIA
Quantity:
5 510
Part Number:
TL494CNG
Manufacturer:
TI/德州仪器
Quantity:
20 000
Part Number:
TL494CNSR
Manufacturer:
TI/德州仪器
Quantity:
20 000
Figure 10. Error−Amplifier Characteristics
Figure 12. Common−Emitter Configuration
V
in
Each
Output
Transistor
90%
V
10%
V
CC
ref
Test Circuit and Waveform
t
r
+
−
+
−
Q
Error Amplifier
Under Test
C
E
Other Error
Amplifier
15V
R
68
15pF
t
L
f
C
90%
L
V
10%
Feedback
C
Terminal
(Pin 3)
TL494, NCV494
http://onsemi.com
8
Inputs
Figure 11. Deadtime and Feedback Control Circuit
Test
Figure 13. Emitter−Follower Configuration
Gnd
50k
Each
Output
Transistor
10%
Test Circuit and Waveform
90%
V
CC
t
r
Deadtime
Feedback
R
C
(+)
(−)
(+)
(−)
Output
Control
T
T
= 15V
Q
Error
V
Gnd
CC
C
E
R
68
L
15V
Out
Ref
C2
E1
E2
C1
t
f
10%
15pF
C
V
150
90%
2W
L
EE
V
EE
150
2W
Output 2
Output 1