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UC3844BD

UC3844BD

UC3844BD

ON Semiconductor

14 Terminals 10V~36V 14-Pin UC384*B DC to DC converter ICSWITCHING CONTROLLER 1 Outputs Up to 500kHz Transistor Driver

SOT-23

UC3844BD Datasheet

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Specifications
Name Value
Type Parameter
Mount Surface Mount
Mounting Type Surface Mount
Package / Case 14-SOIC (0.154, 3.90mm Width)
Number of Pins 14
Operating Temperature 0°C~70°C TA
Packaging Tube
Published 1999
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
Frequency 275kHz
Time@Peak Reflow Temperature-Max (s) 30
Base Part Number UC384*B
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~36V
Quiescent Current 12mA
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 50ns
Synchronous Rectifier No
Fall Time (Typ) 50 ns
Switcher Configuration SINGLE
Max Duty Cycle 48 %
Length 8.65mm
Width 3.9mm
RoHS Status Non-RoHS Compliant
Lead Free Contains Lead
Pricing & Ordering
Quantity Unit Price Ext. Price
440 $0.80641 $354.8204
UC3844BD Product Details

UC3844BD Overview


As a result of 14-SOIC (0.154, 3.90mm Width) compact design, the switching controller is compatible with most applications. 1 outputs are supported by the dc motor controller. An enclosure of Tube is used to package the PMIC. The system can process Transistor Driver dc switching's outputs (s). 10V~36V is the supply voltage and the operating voltage of the dc control. Workable in an dc switcher where 0°C~70°C TA is the 0°C~70°C TArm. The switching controller is capable of switching at the Up to 500kHz position. dc dc regulator can be generalized using Surface Mount. Switching control is made easier with the dcdc regulator's Frequency Control. Connected to a SWITCHING CONTROLLER analog IC, the switch converters are connected to a power supply. switching converters terminal (s) are designed to be at DUAL. There are many different types of terminations for 14. Some of the control techniques used by these dc dc converter ics are PULSE WIDTH MODULATION. It is inputted with a DC switcher's voltage of 15V. A search for "UC384*B" will reveal other relevant dc to dc converter ics. 14 pins are present on switching converter. The type is a particular Switching Regulator or Controllers of switching converter. Statistically, the DC regulator outputs 5.1V voltage. Voltages 25V are the maximum that the dc to dc regulator will accept. It's important to remember that the dc dc regulator's normaloutput current is 1A, so you should note it down when starting a new project. The maximum duty cycle of this voltage regulator dc to dc is set to 48 % to ensure reliability during power-up and power-down. As DC switcher has a Surface Mount, it's suitable for most applications and prototype designs. Switching controller operates at 275kHz Hz. As long as the dc switching is in a dormant state, it utilizes 12mA.

UC3844BD Features


Transistor Driver Outputs
Switching Frequency: Up to 500kHz
Frequency Control
PULSE WIDTH MODULATION
Max Duty Cycle: 48 %
Frequency: 275kHz


UC3844BD Applications


There are a lot of ON Semiconductor
UC3844BD DC to DC converter applications.


  • Automation technology
  • CMM
  • Various precision measuring instruments
  • Various precision measuring detectors
  • Flaw detection equipment
  • Balance equipment
  • Industrial robots
  • Industrial controllers
  • Die casting equipment
  • Injection molding machinery

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