Texas Instruments UC2851NG4

Name: UC2851NG4
Brand: Texas Instruments
SKU: 3730770-UC2851NG4
Availability: InStock
Rating: 5 (1 reviews)

Part Number:: UC2851NG4

Manufacturer:: Texas Instruments

Ventron No:: 3730770-UC2851NG4

Description:: IC PWM BUCK BST FLYBCK CM 18DIP

ECAD Model:

Datasheet:: UC2851NG4

Specifications

Texas Instruments UC2851NG4 technical specifications, attributes, parameters and parts with similar specifications to Texas Instruments UC2851NG4.

Package / Case
PDIP
Surface Mount
NO
Number of Pins
18
Weight
1.206102g
Packaging
Rail/Tube
JESD-609 Code
e4
Number of Terminations
18
ECCN Code
EAR99
Terminal Finish
Nickel/Palladium/Gold (Ni/Pd/Au)
Max Operating Temperature
85°C
Min Operating Temperature
-40°C
Additional Feature
CURRENT MODE OPERATION IS ALSO POSSIBLE
Subcategory
Switching Regulator or Controllers
Technology
BIPOLAR
Terminal Position
DUAL
Terminal Form
THROUGH-HOLE
Number of Functions
1
Terminal Pitch
2.54mm
Frequency
450kHz
Pin Count
18
Number of Outputs
1
Input Voltage-Nom
20V
Temperature Grade
INDUSTRIAL
Max Supply Voltage
30V
Min Supply Voltage
8V
Analog IC - Other Type
SWITCHING CONTROLLER
Power Dissipation-Max
1W
Nominal Supply Current
15mA
Current - Output
400mA
Voltage - Output
40V
Topology
Flyback, Boost
Control Mode
VOLTAGE-MODE
Frequency - Switching
500kHz
Control Technique
PULSE WIDTH MODULATION
Rise Time
50ns
Fall Time (Typ)
50 ns
Nominal Input Voltage
30V
Switcher Configuration
SINGLE
Power - Output
1W
Max Duty Cycle
46 %
Isolation
Non-Isolated
Duty Cycle (Max)
46 %
Height Seated (Max)
5.08mm
Length
22.48mm
Width
7.62mm
Radiation Hardening
No
RoHS Status
RoHS Compliant
Lead Free
Lead Free

Description

UC2851NG4 Overview
This particular chip, belonging to the PMIC - AC DC Converters, Offline Switchers category, is produced by Texas Instruments. It has a total of 18 pins and 18 terminations, with a terminal position of dual. An additional feature of this chip is that it allows for current mode operation. The input voltage is 20V and the nominal supply current is 15mA. The rise time is 50ns and the fall time is also 50ns. The maximum duty cycle for this chip is 46%.

UC2851NG4 Features
Packaged with PDIP
Switching Frequency at 500kHz
With 18 pins

UC2851NG4 Applications
There are a lot of Texas Instruments UC2851NG4 AC DC Converters applications.

3.3V power supplies
Adapter/Charger for Cordless Phones
Standby Power Supplies
Air Conditioning
AC/DC LED Driver applications
Battery chargers for smart phones
Set-top boxes
Battery chargers for media tablets
Standby Power for General Off-Line Applications
Replaces linear transformers

UC2851NG4 More Descriptions

Programmable, Off-Line, PWM Controller 18-PDIP -40 to 85
Current Mode PWM Controller 500kHz 18-Pin PDIP Tube
PWM Power Supply Controllers Prog, Off-Line PWM Controller
IC PWM BUCK BST FLYBCK CM 18DIP
Inverter 6-Element CMOS 14-Pin SOP T/R
Pulse Width Modulation (PWM) Controller IC; Frequency:450kHz; Power Dissipation, Pd:1W; No. of Pins:18; Operating Temperature Range:-40°C to 85°C; Control Mode:Current; Leaded Process Compatible:Yes; Number of PWM Outputs:1 ;RoHS Compliant: Yes

Certification