UC3843BD1 ON Semiconductor, UC3843BD1 Datasheet - Page 19
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UC3843BD1
Manufacturer Part Number
UC3843BD1
Description
IC CTRLR CURRENT MODE HP 8SOIC
Manufacturer
ON Semiconductor
Datasheet
1.UC3842BDR2G.pdf
(21 pages)
Specifications of UC3843BD1
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
8-SOIC (3.9mm Width)
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
UC3843BD1OS
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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
_