Texas Instruments UC3844AN

Name: UC3844AN
Brand: Texas Instruments
SKU: 3247127-UC3844AN
Availability: InStock
Rating: 5 (1 reviews)

Part Number:: UC3844AN

Manufacturer:: Texas Instruments

Ventron No:: 3247127-UC3844AN

Description:: 30-V, 1A, 500KHz current mode PWM controller with 16V/10V UVLO 50% duty cycle, 0°C to 70°C

ECAD Model:

Datasheet:: uc3844a

Specifications

Texas Instruments UC3844AN technical specifications, attributes, parameters and parts with similar specifications to Texas Instruments UC3844AN.

Mount
Through Hole
Mounting Type
Through Hole
Package / Case
8-DIP (0.300, 7.62mm)
Number of Pins
8
Operating Temperature
-40°C~150°C TJ
Packaging
Tube
JESD-609 Code
e0
Part Status
Obsolete
Moisture Sensitivity Level (MSL)
1 (Unlimited)
Number of Terminations
8
ECCN Code
EAR99
Terminal Finish
TIN LEAD
Subcategory
Switching Regulator or Controllers
Technology
BIPOLAR
Terminal Position
DUAL
Terminal Pitch
2.54mm
Frequency
250kHz
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
Power Dissipation
1W
Output Current
1A
Voltage - Supply (Vcc/Vdd)
10V~30V
Quiescent Current
11mA
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 %
Input Current
11mA
Duty Cycle (Max)
48%
Width
7.62mm
REACH SVHC
No SVHC
RoHS Status
Non-RoHS Compliant
Lead Free
Lead Free

Description

UC3844AN Overview
Texas Instruments offers a wide range of high-quality electronic components, including their PMIC - AC DC Converters, Offline Switchers chips. This particular chip falls under the PMIC - AC DC Converters, Offline Switchers category and features a Through Hole mount. With a terminal pitch of 2.54mm, this chip operates at a frequency of 250kHz and has a function of Step-Up or Step-Up/Step-Down. It has one output and a nominal input voltage of 15V, with a power dissipation of 1W. The topology of this chip is Boost or Flyback, with a maximum input voltage of 30V and a typical fall time of 50 ns.

UC3844AN Features
Transistor Driver Outputs
Switching Frequency: Up to 500kHz
Frequency Control
PULSE WIDTH MODULATION
Max Duty Cycle: 50 %
Frequency: 250kHz

UC3844AN Applications
There are a lot of STMicroelectronics UC3844AN DC to DC converter applications.

Smart grid
Experimental setup
Emergency lighting monitoring equipment
Ball screw pair
Remotely powered electric motors
Digital video recorders
Electric water heaters
Arc suppression circuits
Various CNC machine tools
Various precision measuring detectors

UC3844AN More Descriptions

TEXAS INSTRUMENTS UC3844ANAdvanced PWM Controller, 25V-12V supply, 500 kHz, 5V/200mA out, DIP-8
Switching Controller, Current-mode, 1A, 500kHz Switching Freq-Max, BIPolar, PDIP8
ADVANCED PWM CONTROLLER, 3844, DIP8; Input Voltage:15V; Output Voltage:5V; Current:200mA; Supply Voltage Min:12V; Max:25V;
ADVANCED PWM CONTROLLER, 3844, DIP8; Controller Type:PWM; Voltage, Input Max:25V; Current, Output Max:4A; Output Type:Totem Pole; Current, Input:11mA; Energy, Output per Cycle:5µJ; Frequency:500kHz; Power Dissipation:1W; Voltage, ;RoHS Compliant: Yes

Certification