STMicroelectronics UC3844BD1
$ 0.382
Production
Inventory History
3 month trend: -14.96%
CAD Models
Download symbol, footprint, and 3D STEP
Alternate Parts
1 part available
Datasheets & Documents
Download datasheets and manufacturer documentation for STMicroelectronics UC3844BD1.
CAD Models
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Alternate Parts
This Part
Alternate Parts
Price @ 1000
$ 0.382
$ 0.434
$ 0.434
Stock
222,490
1,300,584
1,300,584
Authorized Distributors
6
6
6
Topology
Boost, Flyback
Boost, Flyback
Boost, Flyback
Output Voltage
5.1 V
5.1 V
5.1 V
Min Input Voltage
11.5 V
11.5 V
11.5 V
Max Input Voltage
30 V
30 V
30 V
Max Input Current
-
-
-
Efficiency
-
-
-
Max Switching Frequency
500 kHz
500 kHz
500 kHz
Output Voltage Accuracy
-
-
-
Fault Protection
-
-
-
Synchronous Rectifier
-
-
-
Case/Package
SOP
SOP
SOP
Number of Pins
8
8
8
Supply Chain
Country of OriginMorocco
Export Control Classification Number (ECCN) CodeEAR99
Harmonized Tariff Schedule (HTS) Code8542.39.00.60
Introduction Date1980-01-06
Lifecycle StatusProduction (Last Updated: 4 months ago)
Related Parts
onsemiNCP1217D65R2
Switching Controller, Current-mode, 0.5A, 71.5kHz Switching Freq-Max, CMOS, PDSO8
Descriptions
Descriptions of STMicroelectronics UC3844BD1 provided by its distributors.
Boost,Flyback No Up~500KHz Transistor Driver 1 5.1V 4.9V 30V 11.5V SOIC-8 4.9mm*3.9mm*1.75mm
UC3844B Series 250 kHz High Performance Current Mode PWM Controller - SOIC-8
PWM CONTROLLER, 500KHZ, 0 TO 70DEG C; Input Voltage: 30V; Output Voltage: -; Output Current: 1A; Supply Voltage Min: -; Supply Voltage Max: -; Controller IC Case Style: SOIC; No. of Pins: 8Pins; Frequency: 500kHz; Operating Temp
PWM CTRL, 500KHZ, 0 TO 70DEG C; Power Supply Controller Type:Single Ended Controller; No. of Channels:1Channels; Control Mode:Current Mode Control; Supply Voltage Min:-; Supply Voltage Max:-; IC Case / Package:SOIC; No. of Pins:8PinsRoHS Compliant: Yes
Manufacturer Aliases
STMicroelectronics has several brands around the world that distributors may use as alternate names. STMicroelectronics may also be known as the following names:
- ST MICRO
- STM
- SGS
- SGS THOMSON
- INMOS
- STMICROE
- STMICROEL
- STMICR
- ST MIC
- ST MICROELECTRONIC
- SGS THOMPSON
- SESCOSEM
- STMICROELECT
- ST8
- STMICROELECTRON
- WAFERSCALE
- SGS-ATES
- ST MICROELECTRONICS SEMI
- ST/SGS
- ST MICROELECTRO
- SGST
- THOMS
- STMICROELE
- WAFERSCALE INTEGRATION INC
- SGS-Thomson Microelectronics
- ST Microeletronics
Inventory History
3 month trend: -14.96%
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
Duty Cycle50 %
Fall Time50 ns
Frequency500 kHz
Max Duty Cycle50 %
Max Frequency500 kHz
Max Input Voltage30 V
Max Operating Temperature70 °C
Max Output Current1 A
Max Supply Current30 mA
Max Supply Voltage30 V
Max Switching Frequency500 kHz
Min Input Voltage11.5 V
Min Operating Temperature0 °C
Nominal Input Voltage15 V
Number of Channels1
Number of Circuits1
Number of Outputs1
Output Current1 A
Output Voltage5.1 V
Rise Time50 ns
Schedule B8542390000
Switching Frequency500 kHz
Temperature GradeCommercial
TopologyBoost, Flyback
Dimensions
Height1.25 mm
Height - Seated (Max)1.75 mm
Length4.9 mm
Terminal Pitch1.27 mm
Width3.9 mm
Datasheets & Documents
Download datasheets and manufacturer documentation for STMicroelectronics UC3844BD1.
Compliance
Environmental Classification
China RoHSCompliant
Lead FreeLead Free
Radiation HardeningNo
REACH SVHCYes
RoHSCompliant