TL494CD ON Semiconductor, TL494CD Datasheet - Page 11

• Manufacturer Part Number: TL494CD
• Description: IC PWM CTRLR SWITCHMODE 16-SOIC
• Manufacturer: ON Semiconductor
• Series: SWITCHMODE™r

Specifications of TL494CD

• 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-SOIC (3.9mm Width)
• Frequency-max: 200kHz
• Topology: Push-Pull
• Output Current: 500 mA
• Switching Frequency: 200 KHz
• Duty Cycle (max): 48 %
• Operating Supply Voltage: 15 V
• Maximum Operating Temperature: + 70 C
• Minimum Operating Temperature: 0 C
• Fall Time: 40 ns
• Mounting Style: SMD/SMT
• Rise Time: 100 ns
• Synchronous Pin: No
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Other names: TL494CDOS

+V
50V
50
in
= 10V to 40V
+
0.001
5
Line Regulation
Load Regulation
Output Ripple
Short Circuit Current
Efficiency
C
T
12
R
V
T
CC
6
47k
Test
Figure 21. Pulse Width Modulated Step−Down Converter
D.T. O.C. Gnd E
4
TL494
47
13
Tip 32A
7
8
C
V
V
V
V
V
1
1
in
in
in
in
in
9
150
11
= 8.0 V to 40 V
= 12.6 V, I
= 12.6 V, I
= 12.6 V, R
= 12.6 V, I
E
C
2
10
2
TL494, NCV494
http://onsemi.com
Comp
Conditions
V
ref
O
O
O
L
−
+
−
+
= 0.2 mA to 200 mA
= 200 mA
= 200 mA
= 0.1 W
11
14
15
16
3
2
1
0.1
1.0M
47k
150
5.1k
5.1k
0.1
40 mV pp
3.0 mV
5.0 mV
Results
250 mA
MR850
72%
1.0mH @ 2A
5.1k
0.01%
0.02%
P.A.R.D.
10V
500
+
+
+V
O
= 5.0 V
I
O
10V
50
= 1.0 A