Current Mode PWM Controller for Boost and Flyback topologies. Features a single PWM output with a maximum output current of 1000 mA and a maximum duty cycle of 50%. Operates within a temperature range of 0 °C to 70 °C. Packaged in a 14-pin SOIC (Small Outline IC) with gull-wing leads, suitable for surface mount applications.
PackageSOIC
MountingSurface Mount
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Technical Specifications
Onsemi UC3844D technical specifications.
General
Basic Package Type
Lead-Frame SMT
Package Family Name
SOP
Package/Case
SOIC
Package Description
Small Outline IC
Lead Shape
Gull-wing
Pin Count
14
PCB
14
Package Length (mm)
8.75(Max)
Package Width (mm)
4(Max)
Package Height (mm)
1.5(Max)
Seated Plane Height (mm)
1.75(Max)
Pin Pitch (mm)
1.27
Package Material
Plastic
Mounting
Surface Mount
Jedec
MS-012AB
Control Method
Current Mode PWM Controller
Type
Current Mode PWM Controller
Topology
Boost|Flyback
Number of PWM Outputs
1
Output Current
1000(Max)mA
Maximum Duty Cycle
50%
Min Operating Temperature
0°C
Max Operating Temperature
70°C
Fall Time
50ns
Adjustable Output
No
On/Off Pin
No
Synchronous Pin
No
Maximum Supply Current
17mA
Maximum Power Dissipation
862mW
Compliance
Cage Code
5V1P1
EU RoHS
No
HTS Code
8542310001
Schedule B
8542390000
ECCN
EAR99
Automotive
No
AEC Qualified
No
PPAP
No
Radiation Hardening
No
RoHS Versions
2011/65/EU, 2015/863
Datasheet
Onsemi UC3844D Datasheet
Download the complete datasheet for Onsemi UC3844D to view detailed technical specifications.
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