UC3843BN STMicroelectronics, UC3843BN Datasheet - Page 14

• Manufacturer Part Number: UC3843BN
• Description: IC PWM CTRLR CURR MODE 8-MINIDIP
• Manufacturer: STMicroelectronics

Specifications of UC3843BN

• Pwm Type: Current Mode
• Number Of Outputs: 1
• Frequency - Max: 500kHz
• Duty Cycle: 100%
• Voltage - Supply: 8.2 V ~ 25 V
• Buck: No
• Boost: Yes
• Flyback: Yes
• Inverting: No
• Doubler: No
• Divider: No
• Cuk: No
• Isolated: Yes
• Operating Temperature: 0°C ~ 70°C
• Package / Case: 8-DIP (0.300", 7.62mm)
• Frequency-max: 500kHz
• Duty Cycle (max): 100 %
• Output Voltage: 5.1 V
• Output Current: 1000 mA (Max)
• Mounting Style: Through Hole
• Switching Frequency: 500 KHz
• Operating Supply Voltage: 30 V
• Maximum Operating Temperature: + 150 C
• Fall Time: 50 ns
• Minimum Operating Temperature: - 40 C
• Rise Time: 50 ns
• Synchronous Pin: No
• Topology: Boost or Flyback or Forward
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 497-6786-5; UC3843BNST; UC3843BNST

UC2842B/3B/4B/5B - UC3842B/3B/4B/5B
14/15
DIM.
a1
b1
e3
e4
A
B
D
E
b
e
F
L
Z
I
0.356
0.204
MIN.
0.51
1.15
7.95
3.18
TYP.
3.32
2.54
7.62
7.62
mm
MAX.
0.304
10.92
1.65
0.55
9.75
5.08
3.81
1.52
6.6
0.020
0.045
0.014
0.008
0.313
0.125
MIN.
0.131
0.100
0.300
0.300
TYP.
inch
MAX.
0.065
0.022
0.012
0.430
0.384
0.260
0.200
0.150
0.060
MECHANICAL DATA
OUTLINE AND
Minidip