Texas Instruments UC3844D

Name: UC3844D
Brand: Texas Instruments
SKU: 3731899-UC3844D
Availability: InStock
Rating: 5 (1 reviews)

Part Number:: UC3844D

Manufacturer:: Texas Instruments

Ventron No:: 3731899-UC3844D

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 UC3844D technical specifications, attributes, parameters and parts with similar specifications to Texas Instruments UC3844D.

Mount
Surface Mount
Mounting Type
Surface Mount
Package / Case
14-SOIC (0.209, 5.30mm Width)
Number of Pins
14
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
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
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
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%
Length
8.65mm
Width
3.9mm
RoHS Status
RoHS Compliant

Description

UC3844D Overview
The product, published in 2002, is packaged in a tube and has an obsolete part status. The terminal finish is tin/lead (Sn/Pb) and the terminal position is dual. It has a peak reflow temperature of 240 degrees Celsius and a single output. The control features include frequency control and the control mode is CURRENT-MODE. The product's length is 8.65mm.

UC3844D Features
Transistor Driver Outputs
Switching Frequency: Up to 500kHz
Frequency Control
PULSE WIDTH MODULATION
Max Duty Cycle: 50 %

UC3844D Applications
There are a lot of ON Semiconductor UC3844D DC to DC converter applications.

Computed tomography (CT)
Scientific testing
Wide-range voltage regulation circuits
ATMs
Household control circuits
Scientific research
Lathes
Low output voltage switching power supply circuits
Serial communication converter
Large fire protection systems

UC3844D More Descriptions

Single ended 500KHz current mode PWM controller with 16V/10V UVLO 50% duty cycle, 0C to 70C 14-SOIC 0 to 70
IC, CURRENT MODE PWM CTRL, 25V, SOIC-14; Tension, entrée: 25V; Tension, sortie: 13.5V; Courant, sortie: 200mA; Tension, alimentation min.: 12V; Tension, alimentation max..: 25V; Type de boîtier de contrôleur: SOIC; Nombre de b
IC, CURRENT MODE PWM CTRL, 25V, SOIC-14; Input Voltage:25V; Output Voltage:13.5V; Output Current:200mA; Supply Voltage Min:12V; Supply Voltage Max:25V; Controller IC Case Style:SOIC; No. of Pins:14Pins; Frequency:500kHz; Operating Temperature Min:0°C; Operating Temperature Max:70°C; Product Range:UC1842/3/4/5 Family; Automotive Qualification Standard:-; MSL:MSL 1 - Unlimited; SVHC:No SVHC (15-Jan-2019); Operating Temperature Range:0°C to 70°C; Output Current Max:1A; Power Dissipation Pd:725mW; Supply Voltage Range:12V to 25V

Certification