onsemi UC3844BD1G
$ 0.245
Obsolete
Price and Stock
Authorized Distributors
Non-Authorized Stocking Distributors
Non-Authorized Dealers
Distributor
SKU
Min
Pkg
Bulk Pricing
Inventory History
3 month trend: +0.00%
CAD Models
Download symbol, footprint, and 3D STEP
Alternate Parts
1 part available
CAD Models
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Alternate Parts
This Part
Alternate Parts
Price @ 1000
$ 0.245
$ 0.308
$ 0.308
Stock
206,857
3,128,448
3,128,448
Authorized Distributors
6
6
6
Topology
Boost, Flyback
Flyback
Flyback
Output Voltage
-
-
-
Min Input Voltage
12 V
12 V
12 V
Max Input Voltage
25 V
25 V
25 V
Max Input Current
-
-
-
Efficiency
-
-
-
Max Switching Frequency
-
-
-
Output Voltage Accuracy
-
-
-
Fault Protection
-
-
-
Synchronous Rectifier
-
-
-
Case/Package
SOP
SOP
SOP
Number of Pins
8
8
8
Supply Chain
Country of OriginPhilippines
Export Control Classification Number (ECCN) CodeEAR99
Harmonized Tariff Schedule (HTS) Code8542.39.00.60
Introduction Date1999-01-01
Lifecycle StatusObsolete (Last Updated: 12 hours ago)
LTB Date2023-03-30
LTD Date2023-09-30
Manufacturer Lifecycle StatusOBSOLETE (Last Updated: 12 hours ago)
Related Parts
onsemiUC2843BD1G
UC2843B Series 30 V 275 kHz High Performance Current Mode Controller - SOIC-8
onsemiUC3845BD1R2G
Current Mode PWM Controller 1A 500kHz 8-Pin SOIC N T/R / IC REG CTRLR BOOST/FLYBACK 8SOIC
onsemiUC3843BD1R2G
UC3843B Series 30 V 275 kHz High Performance Current Mode Controller - SOIC-8
Descriptions
Descriptions of onsemi UC3844BD1G provided by its distributors.
UC3844B Series 36 V 275 kHz High Performance Current Mode Controller - SOIC-8
onsemi current modePWMControllers, 8Pin, SOICencapsulation, surface mount, Highest500 kHz
IC, CURRENT MODE CNTRL, 25V, SOIC-8; Input Voltage: -; Output Voltage: 13.5V; Output Current: 1A; Supply Voltage Min: 12V; Supply Voltage Max: 25V; Controller IC Cas; Available until stocks are exhausted Alternative available
Topology = Flyback / Topology = Step-Up / Topology = Step-Down / Outputs = 1 / Output Voltage V = 5 / Output Current A = 1 / Switching Frequency kHz = 52 / Supply Voltage Max. V = 25 / Operating Temperature Min. °C = 0 / Operating Temperature Max. °C = 70 / Package Type = SOIC / Pins = 8 / Mounting Type = SMD / MSL = Level-1 / Packaging = Tube / Length mm = 5 / Width mm = 4 / Height mm = 1.75 / Reflow Temperature Max. °C = 260
The UC3844B UC3845B series are high performance fixed frequency current mode controllers. They are specifically designed for Off-Line and dc-to-dc converter applications offering the designer a cost-effective solution with minimal external components. These integrated circuits feature an oscillator a temperature compensated reference high gain error amplifier current sensing comparator and a high current totem pole output ideally suited for driving a power MOSFET. Also included are protective
Manufacturer Aliases
onsemi has several brands around the world that distributors may use as alternate names. onsemi may also be known as the following names:
- ON Semiconductor
- ONS
- ONSEMICON
- ON SEM
- ON SEMICONDUCTO
- ON SEMICONDUCTORS
- ONSEMIC
- ON Semicondu
- OSC
- ONSE
- ON Semiconductor / Fairchild
- ON SEMICOND
- SCG
- ON Semiconductor Cor
- ON SEMICO
- ONSM
- onsemi / Fairchild
- ON SEMICONDUCTOR CORP
- MOT/ON SEMI
- Fairchild/ONSemiconductor
- ON Semiconductor Corporation
- ON4
- ON Semi - ON Semiconductor
- ON SEMICONDUCT
- ON-SEMI SCG
- ON Semiconductor Inc.
- onsemiconductor
- On Semiconductor Ltd
Inventory History
3 month trend: +0.00%
CAD Models
Download symbol, footprint, and 3D STEP
Alternate Parts
1 part available
Technical Specifications
Physical
Case/PackageSOP
MountSurface Mount
Number of Pins8
Number of Terminals8
Technical
Current Rating3 A
Duty Cycle48 %
Fall Time50 ns
Frequency52 kHz
Input Bias Current-2 µA
Max Duty Cycle48 %
Max Frequency275 kHz
Max Input Voltage25 V
Max Junction Temperature (Tj)150 °C
Max Operating Temperature70 °C
Max Output Current1 A
Max Power Dissipation702 mW
Max Supply Current30 mA
Max Supply Voltage36 V
Min Input Voltage12 V
Min Operating Temperature0 °C
Min Supply Voltage10 V
Nominal Input Voltage15 V
Nominal Supply Current30 mA
Number of Channels1
Number of Circuits1
Number of Outputs1
Output Current1 A
Power Dissipation702 mW
Power Rating702 mW
Rise Time50 ns
Schedule B8542390000
Temperature GradeCommercial
TopologyBoost, Flyback
Voltage Rating (DC)40 V
Dimensions
Height1.75 mm
Height - Seated (Max)1.75 mm
Length4.9 mm
Terminal Pitch1.27 mm
Width3.9 mm
Compliance
Environmental Classification
China RoHSCompliant
Halogen FreeHalogen Free
Lead FreeLead Free
Radiation HardeningNo
REACH SVHCUnaffected
RoHSCompliant
Compliance Statements