TL594CD ON Semiconductor, TL594CD Datasheet - Page 7

• Manufacturer Part Number: TL594CD
• Description: IC PWM CTRLR SWITCHMODE 16-SOIC
• Manufacturer: ON Semiconductor
• Series: SWITCHMODE™r

Specifications of TL594CD

• 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-SOIC (3.9mm Width)
• Frequency-max: 300kHz
• Topology: Boost, Flyback, Forward, 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: + 85 C
• Minimum Operating Temperature: 0 C
• Fall Time: 45 ns
• Mounting Style: SMD/SMT
• Rise Time: 200 ns
• Synchronous Pin: No
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Other names: TL594CDOS

Figure 11. Error−Amplifier Characteristics
V
in
Figure 13. Common−Emitter Configuration
V
ref
Each
Output
Transistor
90%
V
10%
CC
Test Circuit and Waveform
+
−
t
+
−
r
Error Amplifier
Under Test
Other Error
Q
Amplifier
C
E
15V
R
68
C
15pF
t
Feedback
L
f
Terminal
90%
L
(Pin 3)
V
10%
C
http://onsemi.com
TL594
7
Inputs
Figure 12. Deadtime and Feedback Control Circuit
Test
50k
Gnd
Figure 14. Emitter−Follower Configuration
Each
Output
Transistor
10%
Test Circuit and Waveform
V
CC
Deadtime
Feedback
R
C
(+)
(−)
(+)
(−)
90%
Output
Control
T
T
= 15V
t
r
Error
V
Gnd
CC
Q
C
E
R
68
Ref
Out
L
C2
C1
E1
E2
15V
t
f
150
2W
10%
C
15pF
L
V
90%
EE
150
2W
V
Output 2
Output 1
EE