UC3843BVD ON Semiconductor, UC3843BVD Datasheet - Page 4

IC CTRLR CURRENT MODE HP 14SOIC

UC3843BVD

Manufacturer Part Number
UC3843BVD
Description
IC CTRLR CURRENT MODE HP 14SOIC
Manufacturer
ON Semiconductor
Datasheet

Specifications of UC3843BVD

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 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
+ 105 C
Fall Time
50 ns
Minimum Operating Temperature
- 40 C
Rise Time
50 ns
Synchronous Pin
No
Topology
Boost, Flyback, Forward
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Other names
UC3843BVDOS

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Issue Date: 03 Jan 2008
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Leaded EOL Parts
Rev.08-24-05
G Replacement Part
CS8190EDWF20G
CS8221YDFR8G
CS8221YDP3G
CS8221YDPR3G
CS8361YDPSR7G
CS8361YDWFR16G
DF6A6.8FUT1G
DTC114EET1G
DTC143ZET1G
L4949DR2G
LM2574DW-ADJR2G
LM2574N-ADJG
LM2574N-ADJG
LM2574N-ADJG
LM2575D2T-5G
LM2575D2T-15R4G
LM2575D2T-12R4G
LM2575D2T-15R4G
LM2575D2T-3.3R4G
LM2575D2T-3.3R4G
LM2575D2T-5R4G
LM2575D2T-5R4G
LM2575TV-005G
LM2575TV-012G
LM2576D2T-15G
LM2576D2T-ADJR4G
LM2576D2T-ADJR4G
LM2576T-ADJG
LM2576T-ADJG
LM285D-1.2G
LM285D-1.2R2G
LM285D-2.5G
LM285D-2.5R2G
LM2931ADT-5.0RKG
LM2931D2T-5.0R4G
LM2931D-5.0R2G
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LM337BTG
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LM385BD-1.2G
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LM385BD-2.5G
LM385BD-2.5R2G
LM385D-1.2G
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LM385D-2.5G
LM385D-2.5R2G
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LP2950CDT-3.3RKG
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Page 4 of 26

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