Texas Instruments UC3844N

Name: UC3844N
Brand: Texas Instruments
SKU: 3730962-UC3844N
Availability: InStock
Rating: 5 (1 reviews)

Part Number:: UC3844N

Manufacturer:: Texas Instruments

Ventron No:: 3730962-UC3844N

Description:: Single ended 500KHz current mode PWM controller with 16V/10V UVLO 50% duty cycle, 0C to 70C

ECAD Model:

Datasheet:: uc3844

Specifications

Texas Instruments UC3844N technical specifications, attributes, parameters and parts with similar specifications to Texas Instruments UC3844N.

Mount
Through Hole
Mounting Type
Through Hole
Package / Case
8-DIP (0.300, 7.62mm)
Number of Pins
8
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
8
ECCN Code
EAR99
Terminal Finish
Tin/Lead (Sn/Pb)
Subcategory
Switching Regulator or Controllers
Technology
BIPOLAR
Terminal Position
DUAL
Terminal Pitch
2.54mm
Frequency
275kHz
Base Part Number
UC384*
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%
Height Seated (Max)
4.45mm
Width
7.62mm
RoHS Status
Non-RoHS Compliant
Lead Free
Lead Free

Description

UC3844N Overview
The electronic component in question has 8 pins and is packaged in a tube. Its ECCN code is EAR99, indicating that it is not subject to any specific export controls. The terminal position is DUAL, meaning that there are two terminals for connection. The output configuration is Positive, indicating that the output voltage is always positive. The maximum input voltage is 25V. This component does not have a synchronous rectifier, meaning that it does not use a separate control signal to synchronize its switching with the input voltage. It is a single switcher configuration, with a maximum duty cycle of 48%. The maximum seated height of this component is 4.45mm.

UC3844N Features
Transistor Driver Outputs
Switching Frequency: Up to 500kHz
Frequency Control
PULSE WIDTH MODULATION
Max Duty Cycle: 50 %
Frequency: 275kHz

UC3844N Applications
There are a lot of ON Semiconductor UC3844N DC to DC converter applications.

Nuclear power plants
Ball screw pair
Experimental setup
Digital video recorders
Grinders
Combined machine tools
Correction machines
Wind power
Electrical distribution systems
Window air conditioners

UC3844N More Descriptions

Switching Controller, Current-mode, 1A, 500kHz Switching Freq-Max, BIPolar, PDIP8
TEXAS INSTRUMENTS UC3844NPWM Controller, 30V-10V supply, 450 kHz, 13.5V/1A out, DIP-8
PWM CONTROLLER, 500KHZ, 10V-30V, PDIP-8; Input Voltage: 25V; Output Voltage: 13.5V; Output Current: 1A; Supply Voltage Min: 10V; Supply Voltage Max: 30V; Controller IC Case Style: DIP; No. of Pins: 8Pins; Frequency: 450kHz; Operating Temperature Min: 0°C; Operating Temperature Max: 70°C; Product Range: -; Automotive Qualification Standard: -; RoHS Phthalates Compliant: Yes; MSL: -; SVHC: No SVHC (27-Jun-2018); Controller Type: PWM; Input Current: 11mA; Output Energy per Cycle: 5µJ; Output Type: Totem Pole; Power Dissipation Pd: 1W; Termination Type: Through Hole

Certification