The UC1842/3/4/5 family of control devices provides the necessary features to implement off-line or dc-to-dc fixed frequency current mode control schemes with a minimal external parts count

UC2845

Manufacturer Part NumberUC2845
DescriptionThe UC1842/3/4/5 family of control devices provides the necessary features to implement off-line or dc-to-dc fixed frequency current mode control schemes with a minimal external parts count
ManufacturerTexas Instruments
UC2845 datasheet
 


Specifications of UC2845

TopologyBoost, Flyback, ForwardControl MethodCurrent
Duty Cycle(max)(%)50Frequency(max)(khz)450
Uvlo Thresholds On/off(v)8.4/7.6Pin/package14SOIC, 8PDIP, 8SOIC
Vin(min)(v)7.6Vin(max)(v)30
Regulated Outputs(#)1Operating Temperature Range(c)-40 to 85
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Orderable Device
(1)
Package Type Package
Status
UC3843D8TR
ACTIVE
SOIC
UC3843D8TRG4
ACTIVE
SOIC
UC3843DG4
ACTIVE
SOIC
UC3843DTR
ACTIVE
SOIC
UC3843DTRG4
ACTIVE
SOIC
UC3843N
ACTIVE
PDIP
UC3843NG4
ACTIVE
PDIP
UC3843QTR
OBSOLETE
PLCC
UC3844D
ACTIVE
SOIC
UC3844D8
ACTIVE
SOIC
UC3844D8G4
ACTIVE
SOIC
UC3844D8TR
ACTIVE
SOIC
UC3844D8TRG4
ACTIVE
SOIC
UC3844DG4
ACTIVE
SOIC
UC3844DTR
ACTIVE
SOIC
UC3844DTRG4
ACTIVE
SOIC
UC3844N
ACTIVE
PDIP
UC3844NG4
ACTIVE
PDIP
UC3845AJ
ACTIVE
CDIP
Pins
Package Qty
(2)
Eco Plan
Drawing
Ball Finish
D
8
2500
Green (RoHS
CU NIPDAU Level-1-260C-UNLIM
& no Sb/Br)
D
8
2500
Green (RoHS
CU NIPDAU Level-1-260C-UNLIM
& no Sb/Br)
D
14
50
Green (RoHS
CU NIPDAU Level-1-260C-UNLIM
& no Sb/Br)
D
14
2500
Green (RoHS
CU NIPDAU Level-1-260C-UNLIM
& no Sb/Br)
D
14
2500
Green (RoHS
CU NIPDAU Level-1-260C-UNLIM
& no Sb/Br)
P
8
50
Green (RoHS
CU NIPDAU N / A for Pkg Type
& no Sb/Br)
P
8
50
Green (RoHS
CU NIPDAU N / A for Pkg Type
& no Sb/Br)
FN
20
TBD
D
14
50
Green (RoHS
CU NIPDAU Level-1-260C-UNLIM
& no Sb/Br)
D
8
75
Green (RoHS
CU NIPDAU Level-1-260C-UNLIM
& no Sb/Br)
D
8
75
Green (RoHS
CU NIPDAU Level-1-260C-UNLIM
& no Sb/Br)
D
8
2500
Green (RoHS
CU NIPDAU Level-1-260C-UNLIM
& no Sb/Br)
D
8
2500
Green (RoHS
CU NIPDAU Level-1-260C-UNLIM
& no Sb/Br)
D
14
50
Green (RoHS
CU NIPDAU Level-1-260C-UNLIM
& no Sb/Br)
D
14
2500
Green (RoHS
CU NIPDAU Level-1-260C-UNLIM
& no Sb/Br)
D
14
2500
Green (RoHS
CU NIPDAU Level-1-260C-UNLIM
& no Sb/Br)
P
8
50
Green (RoHS
CU NIPDAU N / A for Pkg Type
& no Sb/Br)
P
8
50
Green (RoHS
CU NIPDAU N / A for Pkg Type
& no Sb/Br)
JG
8
1
TBD
Addendum-Page 5
PACKAGE OPTION ADDENDUM
5-Sep-2011
Lead/
(3)
Samples
MSL Peak Temp
(Requires Login)
Call TI
Call TI
A42
N / A for Pkg Type