UC3843BD ON Semiconductor, UC3843BD Datasheet - Page 19

• Manufacturer Part Number: UC3843BD
• Description: IC CTRLR CURRENT MODE HP 14SOIC
• Manufacturer: ON Semiconductor

Specifications of UC3843BD

• Pwm Type: Current Mode
• Number Of Outputs: 1
• Frequency - Max: 275kHz
• Duty Cycle: 96%
• 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: 14-SOIC (3.9mm Width), 14-SOL
• Frequency-max: 275kHz
• Duty Cycle (max): 96 %
• Output Voltage: 4.9 V to 5.1 V
• Output Current: 1000 mA
• Mounting Style: SMD/SMT
• Switching Frequency: 500 KHz
• Operating Supply Voltage: 30 V
• Maximum Operating Temperature: + 70 C
• Fall Time: 50 ns
• Minimum Operating Temperature: 0 C
• Rise Time: 50 ns
• Synchronous Pin: No
• Topology: Boost, Flyback, Forward
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Other names: UC3843BDOS

NOTE 2
SEATING
PLANE
−T−
H
8
1
F
−A−
G
5
4
0.13 (0.005)
D
N
−B−
C
M
K
T
A
M
PACKAGE DIMENSIONS
B
M
http://onsemi.com
CASE 626−05
N SUFFIX
ISSUE L
PDIP−8
L
19
M
J
NOTES:
1. DIMENSION L TO CENTER OF LEAD WHEN
2. PACKAGE CONTOUR OPTIONAL (ROUND OR
3. DIMENSIONING AND TOLERANCING PER ANSI
FORMED PARALLEL.
SQUARE CORNERS).
Y14.5M, 1982.
DIM
M
A
B
C
D
F
G
H
K
L
N
J
MILLIMETERS
MIN
9.40
6.10
3.94
0.38
1.02
0.76
0.20
2.92
0.76
---
2.54 BSC
7.62 BSC
10.16
MAX
6.60
4.45
0.51
1.78
1.27
0.30
3.43
1.01
10
_
0.370
0.240
0.155
0.015
0.040
0.030
0.008
0.030
0.115
MIN
---
0.100 BSC
0.300 BSC
INCHES
0.400
0.260
0.175
0.020
0.070
0.050
0.012
0.135
0.040
MAX
10
_