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UC3845BN
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
UC3845 Boost Flyback Tube e3 DC to DC switching controller 50ns 17mA 3.32mm 5V
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Inventory: 1764
Minimum: 1
Total Price: USD $0.39
Unit Price: USD $0.389931
≥1 USD $0.389931
≥10 USD $0.316409
≥50 USD $0.279648
≥100 USD $0.244199
≥500 USD $0.22188
≥1200 USD $0.210064
Technical Details
Supply Chain
Factory Lead Time 10 Weeks
Lifecycle Status ACTIVE (Last Updated: 7 months ago)
Physical
Mount Through Hole
Mounting Type Through Hole
Package / Case 8-DIP (0.300, 7.62mm)
Number of Pins 8
Technical
Operating Temperature -40°C~150°C TJ
Packaging Tube
Tolerance 2%
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 UC3845
Function Step-Up/Step-Down
Output Voltage 5V
Output Type Transistor Driver
Input Voltage-Nom 15V
Analog IC - Other Type SWITCHING CONTROLLER
Output Configuration Positive, Isolation Capable
Power Dissipation 1.25W
Output Current 200mA
Voltage - Supply (Vcc/Vdd) 7.6V~30V
Max Supply Current 17mA
Control Features Frequency Control
Topology Boost, Flyback
Control Mode CURRENT-MODE
Frequency - Switching 500kHz
Control Technique PULSE WIDTH MODULATION
Rise Time 50 ns
Synchronous Rectifier No
Fall Time (Typ) 50 ns
Nominal Input Voltage 15V
Switcher Configuration SINGLE
Max Duty Cycle 50 %
Duty Cycle (Max) 48%
Number of Output Phases 1
Compliance
REACH SVHC No SVHC
RoHS Status ROHS3 Compliant
Lead Free Lead Free
Dimensions
Height 3.32mm
Length 10.92mm
Width 6.6mm
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