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UC3844D
ON SemiconductorRoHS
/
Package 14-SOIC (0.209, 5.30mm Width)
Category PMIC - Voltage Regulators - DC DC Switching Controllers / PMIC - Voltage Regulators - DC DC Switching Controllers
Description
CURRENT-MODE BIPOLAR DUAL Surface Mount DC-DC Controller IC 45ns 0C~70C TA Up to 500kHz 5.1V
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Inventory: 2450
Minimum: 1
Total Price: USD $0.55
Unit Price: USD $0.5529
≥1 USD $0.5529
≥10 USD $0.4541
≥100 USD $0.43985
≥500 USD $0.4256
≥1000 USD $0.41135
Technical Details
Physical
Mount Surface Mount
Mounting Type Surface Mount
Package / Case 14-SOIC (0.209, 5.30mm Width)
Number of Pins 14
Technical
Operating Temperature 0°C~70°C TA
Packaging Tube
Published 2002
JESD-609 Code e0
Part Status Obsolete
Moisture Sensitivity Level (MSL) 1 (Unlimited)
Number of Terminations 14
ECCN Code EAR99
Terminal Finish Tin/Lead (Sn/Pb)
Subcategory Switching Regulator or Controllers
Technology BIPOLAR
Terminal Position DUAL
Terminal Form GULL WING
Peak Reflow Temperature (Cel) 240
Time@Peak Reflow Temperature-Max (s) 30
Base Part Number UC3844
Function Step-Up, Step-Up/Step-Down
Number of Outputs 1
Output Voltage 5.1V
Output Type Transistor Driver
Input Voltage-Nom 15V
Analog IC - Other Type SWITCHING CONTROLLER
Operating Supply Current 17mA
Nominal Supply Current 17mA
Output Configuration Positive
Output Current 1A
Voltage - Supply (Vcc/Vdd) 10V~30V
Control Features Frequency Control
Topology Boost, Flyback
Control Mode CURRENT-MODE
Frequency - Switching Up to 500kHz
Input Voltage (Max) 25V
Control Technique PULSE WIDTH MODULATION
Rise Time 45ns
Synchronous Rectifier No
Fall Time (Typ) 35 ns
Switcher Configuration SINGLE
Max Duty Cycle 50 %
Duty Cycle (Max) 48%
Dimensions
Length 8.65mm
Width 3.9mm
Compliance
RoHS Status RoHS Compliant
Alternative Model
No data
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