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UC3844BD1

STMicroelectronics
RoHS
RoHS RoHS compliant
Package 8-SOIC (0.154, 3.90mm Width)
Category PMIC - Voltage Regulators - DC DC Switching Controllers / PMIC - Voltage Regulators - DC DC Switching Controllers
Description UC3844 Boost Flyback Tube e4 DC to DC switching controller 50ns 30mA 1.25mm 5.1V
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Inventory: 8326
Minimum: 1
Total Price: USD $0.13
Unit Price: USD $0.130609
≥1 USD $0.130609
≥10 USD $0.123209
≥100 USD $0.116242
≥500 USD $0.109653
≥1000 USD $0.103455

Technical Details

Supply Chain

Factory Lead Time 10 Weeks
Lifecycle Status ACTIVE (Last Updated: 7 months ago)

Physical

Mount Surface Mount
Mounting Type Surface Mount
Package / Case 8-SOIC (0.154, 3.90mm Width)
Number of Pins 8

Technical

Operating Temperature 0°C~70°C TJ
Packaging Tube
JESD-609 Code e4
Part Status Active
Moisture Sensitivity Level (MSL) 1 (Unlimited)
Number of Terminations 8
ECCN Code EAR99
Terminal Finish Nickel/Palladium/Gold (Ni/Pd/Au)
Subcategory Switching Regulator or Controllers
Technology BIPOLAR
Terminal Position DUAL
Terminal Form GULL WING
Peak Reflow Temperature (Cel) 260
Frequency 500kHz
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
Output Configuration Positive
Output Current 1A
Voltage - Supply (Vcc/Vdd) 10V~30V
Max Supply Current 30mA
Control Features Frequency Control
Topology Boost, Flyback
Control Mode CURRENT-MODE
Frequency - Switching Up to 500kHz
Control Technique PULSE WIDTH MODULATION
Rise Time 50 ns
Synchronous Rectifier No
Fall Time (Typ) 50 ns
Nominal Input Voltage 30V
Switcher Configuration SINGLE
Max Duty Cycle 50 %
Duty Cycle (Max) 48%

Compliance

RoHS Status ROHS3 Compliant
Lead Free Lead Free

Dimensions

Height 1.25mm
Length 5mm
Width 4mm

Alternative Model

RT8097CHGE
Richtek USA Inc.

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