TL594CDTB ON Semiconductor, TL594CDTB Datasheet - Page 8

• Manufacturer Part Number: TL594CDTB
• Description: IC PWM CTRLR SWITCHMODE 16-TSSOP
• Manufacturer: ON Semiconductor
• Series: SWITCHMODE™r

Specifications of TL594CDTB

• Pwm Type: Voltage Mode
• Number Of Outputs: 1
• Frequency - Max: 300kHz
• Duty Cycle: 50%
• Voltage - Supply: 7 V ~ 40 V
• Buck: Yes
• Boost: No
• Flyback: No
• Inverting: No
• Doubler: No
• Divider: No
• Cuk: No
• Isolated: No
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 16-TSSOP
• Frequency-max: 300kHz
• Topology: Push-Pull
• Output Current: 500 mA
• Switching Frequency: 300 KHz
• Duty Cycle (max): 48 %
• Operating Supply Voltage: 15 V
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 40 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

0 ≤ V
OC
Control
Output
≤ 0.4 V
Output
V
Figure 16. Deadtime Control Circuit
ref
Max. % on Time, each output ≈ 45 −
R1
R2
Control
Output
Q
Figure 18. Output Connections for Single−Ended and Push−Pull Configurations
30k
Single−Ended
6
R
T
V
1
2
O
To Output
Voltage of
System
Q
Q
2
5
1
+
−
V
C
ref
Error
Amp
T
0.001
V
Positive Output Voltage
C
E
C
E
O
Figure 15. Error−Amplifier Sensing Techniques
D
1
1
2
2
= V
T
ref
4
1 +
1 +
80
R1
R2
R
R
1
2
R
R
1
2
3
http://onsemi.com
1.0 mA to
500 mA
Q
Q
C
E
TL594
8
Output
2.4 V ≤ V
3
Control
Output
Q
OC
Negative Output Voltage
≤ V
Figure 17. Soft−Start Circuit
ref
V
O
= V
Error
Amp
ref
Push−Pull
+
−
V
R
R
ref
1
2
D
1
2
T
Q
Q
1
2
4
C
E
C
E
1
2
1
2
R1
Voltage of
R
To Output
System
S
V
ref
1.0 mA to 250 mA
1.0 mA to 250 mA
R2
V
O
C
S