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UC1844J
Integrated Circuits (ICs)

UCC1800L883B

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Texas Instruments

LOW-POWER BICMOS CURRENT-MODE PWM

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UC1844J
Integrated Circuits (ICs)

UCC1800L883B

Active
Texas Instruments

LOW-POWER BICMOS CURRENT-MODE PWM

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DocumentsDatasheet

Technical Specifications

Parameters and characteristics for this part

SpecificationUCC1800L883B
Clock SyncTrue
Control FeaturesSoft Start, Frequency Control
Duty Cycle (Max) [Max]100 %
Frequency - Switching [Max]1 MHz
FunctionStep-Up, Step-Up/Step-Down
Mounting TypeSurface Mount
Number of Outputs1
Operating Temperature [Max]125 °C
Operating Temperature [Min]-55 °C
Output ConfigurationPositive
Output Phases1
Output TypeTransistor Driver
Package / Case20-CLCC
Supplier Device Package20-LCCC (8.89x8.89)
Synchronous RectifierFalse
TopologyFlyback, Boost, Forward Converter
Voltage - Supply (Vcc/Vdd) [Max]11 V
Voltage - Supply (Vcc/Vdd) [Min]6.9 V

UCC1800 Series

Low-Power BiCMOS Current-Mode PWM

PartPackage / CaseSupplier Device PackageOperating TemperatureClock SyncSynchronous RectifierOutput TypeFrequency - Switching [Max]Operating Temperature [Max]Operating Temperature [Min]FunctionNumber of OutputsPackage / CasePackage / CaseOutput PhasesTopologyControl FeaturesDuty Cycle (Max) [Max]Mounting TypeVoltage - Supply (Vcc/Vdd) [Min]Voltage - Supply (Vcc/Vdd) [Max]Output Configuration
Texas Instruments
Die
Die
25 °C
CDIP (JG)
Texas Instruments
8-CDIP
8-CDIP
Transistor Driver
1 MHz
125 °C
-55 °C
Step-Up
Step-Up/Step-Down
1
7.62 mm
0.3 in
1
Boost
Flyback
Forward Converter
Frequency Control
Soft Start
100 %
Through Hole
6.9 V
11 V
Positive
UC1844J
Texas Instruments
20-CLCC
20-LCCC (8.89x8.89)
Transistor Driver
1 MHz
125 °C
-55 °C
Step-Up
Step-Up/Step-Down
1
1
Boost
Flyback
Forward Converter
Frequency Control
Soft Start
100 %
Surface Mount
6.9 V
11 V
Positive
UC1844J
Texas Instruments
8-CDIP
8-CDIP
Transistor Driver
1 MHz
125 °C
-55 °C
Step-Up
Step-Up/Step-Down
1
7.62 mm
0.3 in
1
Boost
Flyback
Forward Converter
Frequency Control
Soft Start
100 %
Through Hole
6.9 V
11 V
Positive

Pricing

Prices provided here are for design reference only. For realtime values and availability, please visit the distributors directly

DistributorPackageQuantity$
Texas InstrumentsTUBE 1$ 40.47
100$ 35.97
250$ 29.57
1000$ 26.45

Description

General part information

UCC1800 Series

The UCC280x family of high-speed, low-power integrated circuits contain all of the control and drive components required for off-line and DC-to-DC fixed frequency current-mode switching mode power supplies with minimal parts count.

These devices have the same pin configuration as the UCx84x family, and also offer the added features of internal full-cycle soft start and internal leading-edge blanking of the current-sense input.

The UCC280x family of high-speed, low-power integrated circuits contain all of the control and drive components required for off-line and DC-to-DC fixed frequency current-mode switching mode power supplies with minimal parts count.

Documents

Technical documentation and resources