UC3844D Fairchild Semiconductor, UC3844D Datasheet - Page 9

• Manufacturer Part Number: UC3844D
• Description: IC CTLR PWM CURR MODE 14-SOIC
• Manufacturer: Fairchild Semiconductor

Specifications of UC3844D

• Pwm Type: Current Mode
• Number Of Outputs: 1
• Frequency - Max: 500kHz
• Duty Cycle: 50%
• Voltage - Supply: 11.5 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: 14-SOIC (3.9mm Width), 14-SOL
• Frequency-max: 500kHz
• Duty Cycle (max): 50 %
• Output Current: 1000 mA
• Mounting Style: SMD/SMT
• Switching Frequency: 500 KHz
• Operating Supply Voltage: 30 V
• 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
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: UC3844DFS

Mechanical Dimensions
Package
0.020
0.50
0.20
0.008
#1
#4
0.156
0.236
3.95
6.00
0.225
5.72
(Continued)
0.20
0.008
0.30
0.012
8-SOP
#8
#5
0.061
1.55
0.071
1.80
0.20
0.008
MAX
MIN
0.004~0.001
0.1~0.25
UC3842/UC3843/UC3844/UC3845
9