18 Terminations7.8V~32V 18 Pin UC3851 AC to DC power converterUp to 500kHz
SOT-23
UC3851DW Datasheet
non-compliant
In-Stock: 0 items
Specifications
Name
Value
Type
Parameter
Factory Lead Time
6 Weeks
Lifecycle Status
ACTIVE (Last Updated: 1 week ago)
Mounting Type
Surface Mount
Package / Case
18-SOIC (0.295, 7.50mm Width)
Surface Mount
YES
Number of Pins
18
Operating Temperature
0°C~70°C TA
Packaging
Tube
JESD-609 Code
e4
Pbfree Code
yes
Part Status
Active
Moisture Sensitivity Level (MSL)
2 (1 Year)
Number of Terminations
18
ECCN Code
EAR99
Terminal Finish
Nickel/Palladium/Gold (Ni/Pd/Au)
Additional Feature
CURRENT MODE OPERATION IS ALSO POSSIBLE
HTS Code
8542.39.00.01
Subcategory
Switching Regulator or Controllers
Max Power Dissipation
1W
Technology
BICMOS
Terminal Position
DUAL
Terminal Form
GULL WING
Peak Reflow Temperature (Cel)
260
Number of Functions
1
Terminal Pitch
1.27mm
Frequency
450kHz
Base Part Number
UC3851
Pin Count
18
Output Voltage
40V
Input Voltage-Nom
20V
Analog IC - Other Type
SWITCHING CONTROLLER
Nominal Supply Current
15mA
Output Current
400mA
Voltage - Supply (Vcc/Vdd)
7.8V~32V
Output Power
1W
Control Features
Frequency Control, Soft Start
Topology
Boost, Buck, Flyback, Forward
Control Mode
CURRENT/VOLTAGE-MODE
Frequency - Switching
Up to 500kHz
Control Technique
PULSE WIDTH MODULATION
Rise Time
50ns
Supply Current-Max (Isup)
21mA
Fall Time (Typ)
50 ns
Nominal Input Voltage
30V
Switcher Configuration
BUCK-BOOST
Internal Switch(s)
No
Fault Protection
Current Limiting, Over Voltage
Max Duty Cycle
46 %
Isolation
Non-Isolated
Duty Cycle
50%
Voltage - Start Up
8V
Height
2.65mm
Length
11.5mm
Width
7.5mm
Thickness
2.35mm
RoHS Status
ROHS3 Compliant
Lead Free
Lead Free
Pricing & Ordering
Quantity
Unit Price
Ext. Price
40
$18.02675
$721.07
UC3851DW Product Details
UC3851DW Overview
This ac to dc converter is included in the package 18-SOIC (0.295, 7.50mm Width) .In Tube AC/DC power converter, it is available.There is a AC/DC converter mounted in the way of Surface Mount .This ac dc converter should be operated at a temperature of 0°C~70°C TA °C so that it can deliver its performance.Analog IC type SWITCHING CONTROLLER is utilized in this AC DC converter.As a result, the switching frequency reaches Up to 500kHz .This AC/DC converter is suitable for operation in the range of 7.8V~32V supply voltage (Vcc/Vdd).In total, there are 18 terminations.There are 18 pins on the ac/dc converter.Up to 18 pins are present on the ac-dc converter.If you select the UC3851 family, you will be able to search similar acdc converters.Switching Regulator or Controllers includes the ac to dc conversions.We have set the output current to 400mA .There is 40V voltage output from it.AC to DC converter is able to reach high efficiency when its frequency is 450kHz .Coverters generate 1W in terms of output power.As a result of using this ACDC converter, CURRENT MODE OPERATION IS ALSO POSSIBLE can also be detected.
UC3851DW Features
Packaged with 18-SOIC (0.295, 7.50mm Width) Switching Frequency at Up to 500kHz With 18 pins Output Current at 400mA
UC3851DW Applications
There are a lot of Texas Instruments UC3851DW AC DC Converters applications.