TL494BDR2G ON Semiconductor, TL494BDR2G Datasheet - Page 9

• Manufacturer Part Number: TL494BDR2G
• Description: IC PWM CTRLR SWITCHMODE 16-SOIC
• Manufacturer: ON Semiconductor
• Series: SWITCHMODE™r

Specifications of TL494BDR2G

• 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: -40°C ~ 125°C
• Package / Case: 16-SOIC (3.9mm Width)
• Frequency-max: 200kHz
• Number Of Pwm Outputs: 2
• On/off Pin: No
• Adjustable Output: No
• Topology: Push-Pull
• Switching Freq: 200KHz
• Operating Supply Voltage (max): 40V
• Output Current: 500mA
• Synchronous Pin: No
• Rise Time: 100ns
• Fall Time: 40ns
• Operating Temperature Classification: Automotive
• Mounting: Surface Mount
• Pin Count: 16
• Package Type: SOIC
• Switching Frequency: 200 KHz
• Duty Cycle (max): 48 %
• Operating Supply Voltage: 15 V
• Maximum Operating Temperature: + 125 C
• Minimum Operating Temperature: - 40 C
• Mounting Style: SMD/SMT
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

0 ≤ V
OC
V
ref
Control
Output
≤ 0.4 V
Output
Figure 15. Deadtime Control Circuit
Max. % on Time, each output ≈ 45 −
R1
R2
Control
Output
Q
30k
Single−Ended
Figure 17. Output Connections for Single−Ended and Push−Pull Configurations
V
6
1
2
R
O
T
To Output
Voltage of
System
+
−
Error
5
Q
Amp
V
Q
C
V
2
ref
1
Positive Output Voltage
T
O
= V
0.001
D
C
E
C
E
ref
T
1
1
2
2
Figure 14. Error−Amplifier Sensing Techniques
4
1 +
1 +
80
R
R
R1
R2
R
R
1
2
3
1
2
TL494, NCV494
http://onsemi.com
1.0 mA to
500 mA
Q
Q
E
C
9
Output
2.4 V ≤ V
Control
Output
OC
Q
Negative Output Voltage
≤ V
Figure 16. Soft−Start Circuit
V
ref
O
= V
Error
Amp
ref
+
−
Push−Pull
R
R
1
2
V
ref
1
2
D
T
Q
Q
1
2
4
C
E
C
E
R1
1
2
1
2
Voltage of
To Output
System
V
R
ref
S
R2
V
O
1.0 mA to
250 mA
1.0 mA to
250 mA
C
S