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UC3844BN
STMicroelectronicsRoHS 
RoHS compliant
RoHS compliantPackage 8-DIP (0.300, 7.62mm)
Category PMIC - Voltage Regulators - DC DC Switching Controllers / PMIC - Voltage Regulators - DC DC Switching Controllers
Description
CURRENT-MODE BIPOLAR DUAL Through Hole DC-DC Controller IC 50ns 1.25W 0C~70C TJ Up to 500kHz
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Inventory: 30000
Minimum: 2000
Total Price: USD $351.5
Unit Price: USD $0.17575
≥2000 USD $0.17575
Technical Details
Supply Chain
Factory Lead Time 14 Weeks
Lifecycle Status ACTIVE (Last Updated: 7 months ago)
Technical
Operating Temperature 0°C~70°C TJ
Packaging Tube
JESD-609 Code e3
Part Status Active
Moisture Sensitivity Level (MSL) 1 (Unlimited)
Number of Terminations 8
ECCN Code EAR99
Terminal Finish Matte Tin (Sn) - annealed
Subcategory Switching Regulator or Controllers
Max Power Dissipation 1.25W
Technology BIPOLAR
Terminal Position DUAL
Terminal Pitch 2.54mm
Frequency 250kHz
Base Part Number UC3844
Function Step-Up, Step-Up/Step-Down
Number of Outputs 1
Output Voltage 13.5V
Output Type Transistor Driver
Max Output Current 1A
Input Voltage-Nom 15V
Analog IC - Other Type SWITCHING CONTROLLER
Output Configuration Positive
Output Current 200mA
Voltage - Supply (Vcc/Vdd) 10V~30V
Max Supply Current 17mA
Control Features Frequency Control
Topology Boost, Flyback
Control Mode CURRENT-MODE
Frequency - Switching Up to 500kHz
Control Technique PULSE WIDTH MODULATION
Rise Time 50ns
Synchronous Rectifier No
Fall Time (Typ) 50 ns
Nominal Input Voltage 15V
Switcher Configuration SINGLE
Max Duty Cycle 50 %
Duty Cycle (Max) 48%
Dimensions
Height 3.32mm
Length 10.92mm
Width 6.6mm
Physical
Mount Through Hole
Mounting Type Through Hole
Package / Case 8-DIP (0.300, 7.62mm)
Number of Pins 8
Weight 4.535924g
Alternative Model
No data
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