UC3843BVDG ON Semiconductor, UC3843BVDG Datasheet - Page 20
![IC CTRLR CURRENT MODE HP 14SOIC](/photos/6/57/65767/14-soic_751a_sml.jpg)
UC3843BVDG
Manufacturer Part Number
UC3843BVDG
Description
IC CTRLR CURRENT MODE HP 14SOIC
Manufacturer
ON Semiconductor
Datasheet
1.UC3842BDR2G.pdf
(21 pages)
Specifications of UC3843BVDG
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
-40°C ~ 105°C
Package / Case
14-SOIC (3.9mm Width), 14-SOL
Frequency-max
275kHz
Duty Cycle (max)
96 %
Output Current
1000 mA
Mounting Style
SMD/SMT
Switching Frequency
500 KHz
Maximum Operating Temperature
+ 105 C
Fall Time
50 ns
Minimum Operating Temperature
- 40 C
Rise Time
50 ns
Synchronous Pin
No
Topology
Boost, Flyback, Forward
Number Of Pwm Outputs
1
On/off Pin
No
Adjustable Output
No
Switching Freq
500KHz
Operating Supply Voltage (max)
30V
Operating Temperature Classification
Industrial
Mounting
Surface Mount
Pin Count
14
Package Type
SOIC
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
UC3843BVDGOS
−Z−
−Y−
B
H
−X−
8
1
0.25 (0.010)
G
A
D
4
5
M
Z
S
Y
S
C
*For additional information on our Pb−Free strategy and soldering
0.25 (0.010)
details, please download the ON Semiconductor Soldering and
Mounting Techniques Reference Manual, SOLDERRM/D.
X
SEATING
PLANE
S
0.10 (0.004)
0.024
0.6
M
PACKAGE DIMENSIONS
0.275
7.0
Y
SOLDERING FOOTPRINT*
http://onsemi.com
M
N
CASE 751−07
X 45
D1 SUFFIX
ISSUE AJ
SOIC−8
_
M
20
K
SCALE 6:1
0.060
0.155
1.52
J
4.0
1.270
0.050
inches
mm
NOTES:
1. DIMENSIONING AND TOLERANCING PER
2. CONTROLLING DIMENSION: MILLIMETER.
3. DIMENSION A AND B DO NOT INCLUDE
4. MAXIMUM MOLD PROTRUSION 0.15 (0.006)
5. DIMENSION D DOES NOT INCLUDE DAMBAR
6. 751−01 THRU 751−06 ARE OBSOLETE. NEW
ANSI Y14.5M, 1982.
MOLD PROTRUSION.
PER SIDE.
PROTRUSION. ALLOWABLE DAMBAR
PROTRUSION SHALL BE 0.127 (0.005) TOTAL
IN EXCESS OF THE D DIMENSION AT
MAXIMUM MATERIAL CONDITION.
STANDARD IS 751−07.
DIM
A
B
C
D
G
H
K
M
N
S
J
MILLIMETERS
MIN
4.80
3.80
1.35
0.33
0.10
0.19
0.40
0.25
5.80
0
1.27 BSC
_
MAX
5.00
4.00
1.75
0.51
0.25
0.25
1.27
0.50
6.20
8
_
0.189
0.150
0.053
0.013
0.004
0.007
0.016
0.010
0.228
MIN
0
0.050 BSC
INCHES
_
0.197
0.157
0.069
0.020
0.010
0.010
0.050
0.020
0.244
MAX
8
_