UC3851DWTR

Manufacturer :

Texas Instruments

Product Category :

AC DC Converters, Offline Switches

Factory Lead Time :

6 Weeks

Frequency :

450kHz

Internal Switch(s) :

No

Switcher Configuration :

Buck-Boost

RoHS Status :

ROHS3 Compliant

Lead Free :

Lead Free

Terminal Finish :

Nickel/Palladium/Gold (Ni/Pd/Au)

Height :

2.65mm

Number of Outputs :

1

Topology :

Boost, Buck, Flyback, Forward

Frequency - Switching :

Up to 500kHz

Width :

7.5mm

Pin Count :

18

Nominal Supply Current :

15mA

Fault Protection :

Current Limiting, Over Voltage

Moisture Sensitivity Level (MSL) :

2 (1 Year)

Surface Mount :

yes

Duty Cycle :

50%

Terminal Form :

Gull wing

Pbfree Code :

yes

Input Voltage-Nom :

20V

JESD-609 Code :

e4

Lifecycle Status :

ACTIVE (Last Updated: 3 days ago)

Control Mode :

VOLTAGE-MODE

Fall Time (Typ) :

50 ns

Thickness :

2.35mm

Package / Case :

18-SOIC (0.295, 7.50mm Width)

Nominal Input Voltage :

30V

Number of Pins :

18

Voltage - Supply (Vcc/Vdd) :

7.8V~32V

Output Power :

1W

Output Voltage :

40V

ECCN Code :

EAR99

Terminal Position :

Dual

Base Part Number :

UC3851

Peak Reflow Temperature (Cel) :

260

Operating Temperature :

0°C~70°C TA

Rise Time :

50ns

Max Duty Cycle :

46 %

Additional Feature :

CURRENT MODE OPERATION IS ALSO POSSIBLE

Packaging :

Tape and Reel (TR)

Length :

11.5mm

Number of Terminations :

18

Number of Functions :

1

Voltage - Start Up :

8V

Isolation :

Non-Isolated

Analog IC - Other Type :

SWITCHING CONTROLLER

Control Features :

Frequency Control, Soft Start

Output Current :

400mA

Control Technique :

PULSE WIDTH MODULATION

Mounting Type :

Surface Mount