KA3843B Fairchild Semiconductor, KA3843B Datasheet - Page 9

• Manufacturer Part Number: KA3843B
• Description: IC CONTROLLER PWM SMPS 8-DIP
• Manufacturer: Fairchild Semiconductor

Specifications of KA3843B

• Pwm Type: Current Mode
• Number Of Outputs: 1
• Frequency - Max: 500kHz
• Duty Cycle: 100%
• Voltage - Supply: 8.2 V ~ 30 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: 8-DIP (0.300", 7.62mm)
• Frequency-max: 500kHz
• Duty Cycle (max): 100 %
• Output Current: 1000 mA
• Mounting Style: Through Hole
• Switching Frequency: 500 KHz
• Supply Current: 17 mA
• Maximum Operating Temperature: + 70 C
• Fall Time: 35 ns
• Minimum Operating Temperature: 0 C
• Rise Time: 45 ns
• Synchronous Pin: No
• Input Voltage: 15V
• Output Voltage: 5V
• Frequency: 500kHz
• Power Dissipation Pd: 1.2W
• Supply Voltage Range: 12V To 25V
• Digital Ic Case Style: DIP
• No. Of Pins: 8
• Rohs Compliant: Yes
• Number Of Pwm Outputs: 1
• On/off Pin: No
• Adjustable Output: No
• Switching Freq: 500kHz
• Operating Supply Voltage (max): 30V
• Operating Temperature Classification: Commercial
• Mounting: Through Hole
• Pin Count: 8
• Package Type: PDIP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Mechanical Dimensions
Package
0.024
0.60
0.20
0.008
#1
#7
0.236
0.156
6.00
3.95
0.225
5.72
(Continued)
0.30
0.20
0.012
0.008
14-SOP
#14
#8
0.071
1.80
0.061
1.55
MAX
0.10
0.004
Dimensions in millimeters
KA3842B/KA3843B/KA3844B/KA3845B
MIN
0.002
0.05
9