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E-UC3844BD1

E-UC3844BD1

E-UC3844BD1

STMicroelectronics

8 Terminals 10V~30V 8-Pin UC3844 DC to DC converter ICSWITCHING CONTROLLER 1 Outputs Up to 500kHz Transistor Driver

SOT-23

E-UC3844BD1 Datasheet

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Specifications
Name Value
Type Parameter
Mount Surface Mount
Mounting Type Surface Mount
Package / Case 8-SOIC (0.154, 3.90mm Width)
Number of Pins 8
Operating Temperature 0°C~70°C TA
Packaging Tube
Part Status Obsolete
Moisture Sensitivity Level (MSL) 1 (Unlimited)
Number of Terminations 8
ECCN Code EAR99
Terminal Position DUAL
Terminal Form GULL WING
Frequency 250kHz
Base Part Number UC3844
Function 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, Isolation Capable
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) 30V
Control Technique PULSE WIDTH MODULATION
Rise Time 50ns
Synchronous Rectifier No
Fall Time (Typ) 50 ns
Switcher Configuration SINGLE
Max Duty Cycle 50 %
Duty Cycle (Max) 48%
Length 4.9mm
Width 3.9mm
RoHS Status ROHS3 Compliant
Lead Free Lead Free
Pricing & Ordering
Quantity Unit Price Ext. Price
2,000 $0.36400 $0.728
E-UC3844BD1 Product Details

E-UC3844BD1 Overview


It comes in the 8-SOIC (0.154, 3.90mm Width) package, which makes switching controller suitable for most applications. 1 outputs are supported by the dc motor controller. The pmic is packaged in Tube solid enclosure. There are Transistor Driver dc switching's output (s) that it can handle. The supply and operating voltage of the dc control are 10V~30V. Worked in an dc switcher with a 0°C~70°C TA rating. The switching controller can be switched at Up to 500kHz. dc dc regulator can be generalized using Surface Mount. In order to control switching efficiently, the dcdc regulator features Frequency Control. SWITCHING CONTROLLER analog IC connects the switch converters. Thare switching converters has a terminal (s) at DUAL . 8 terminations with various dc switching's functions. Some of the control techniques adapted by these dc dc converter ics include PULSE WIDTH MODULATION. There is a DC switcher's nominal voltage of 15V. Search for "UC3844" to find other relevant dc to dc converter ics. There are a total of 8 pins on switching converter. Based on the test statistics, DC regulator outputs voltage 5.1V. It should be noted that the dc to dc regulator only accepts 30V voltage as input voltage. In most cases, the output current of the dc dc regulator will be 1A, so note that when you start the project. voltage regulator dc to dcs with a 50 % duty cycle are designed to be reliable when powered on and powered off. The Surface Mount makes DC switcher suitable for most applications and prototypes. A frequency of 250kHz is set for the switching controller.

E-UC3844BD1 Features


Transistor Driver Outputs
Switching Frequency: Up to 500kHz
Frequency Control
PULSE WIDTH MODULATION
Max Duty Cycle: 50 %
Frequency: 250kHz

E-UC3844BD1 Applications


There are a lot of STMicroelectronics E-UC3844BD1 DC to DC converter applications.

  • USB circuits
  • Laboratories
  • Program control systems
  • Wide-range voltage regulation circuits
  • Servo drive system
  • Geothermal power
  • Magnetohydrodynamic power
  • Arc suppression circuits
  • SMT equipment
  • Automatic plug-in machines

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