TL494BDR2G ON Semiconductor, TL494BDR2G Datasheet - Page 5

• 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

R
T
Deadtime
Control
Feedback/PWM Comp.
C
T
Deadtime Control
4
6
5
Capacitor C
Error Amp
1
Clock Input
1
Output Q1
Output Q2
Flip−Flop
Flip−Flop
Flip−Flop
2
Control
Emitter
Emitter
Output
T
+
−
1
Q
Q
0.7mA
Oscillator
0.12V
0.7V
Comparator Input
Feedback PWM
3
Figure 1. Representative Block Diagram
−
+
−
+
Deadtime
Comparator
This device contains 46 active transistors.
PWM
Comparator
Figure 2. Timing Diagram
2
−
+
TL494, NCV494
http://onsemi.com
15
Error Amp
2
16
5
Lockout
UV
D
Ck
Flip−
Flop
Q
Q
3.5V
−
+
−
+
Output Control
Output
4.9V
Ref.
14
13
Reference
Regulator
7
Gnd
Q1
Q2
8
9
11
10
12
V
CC
V
CC