UC3851DWTR

Manufacturer :

Texas Instruments

Product Category :

AC DC Converters, Offline Switches

Isolation :

Non-Isolated

Operating Temperature :

0°C~70°C TA

Pbfree Code :

yes

Duty Cycle :

50%

Number of Functions :

1

Terminal Form :

Gull wing

Control Features :

Frequency Control, Soft Start

Rise Time :

50ns

Fall Time (Typ) :

50 ns

Height :

2.65mm

Base Part Number :

UC3851

Input Voltage-Nom :

20V

Thickness :

2.35mm

Nominal Input Voltage :

30V

Factory Lead Time :

6 Weeks

Mounting Type :

Surface Mount

Nominal Supply Current :

15mA

Frequency - Switching :

Up to 500kHz

Surface Mount :

yes

Number of Pins :

18

Output Power :

1W

Switcher Configuration :

Buck-Boost

Number of Outputs :

1

Width :

7.5mm

Moisture Sensitivity Level (MSL) :

2 (1 Year)

Lead Free :

Lead Free

Output Voltage :

40V

Control Mode :

VOLTAGE-MODE

Terminal Position :

Dual

Internal Switch(s) :

No

Additional Feature :

CURRENT MODE OPERATION IS ALSO POSSIBLE

Pin Count :

18

Lifecycle Status :

ACTIVE (Last Updated: 3 days ago)

Length :

11.5mm

Fault Protection :

Current Limiting, Over Voltage

Terminal Finish :

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

Number of Terminations :

18

Control Technique :

PULSE WIDTH MODULATION

Frequency :

450kHz

Output Current :

400mA

Package / Case :

18-SOIC (0.295, 7.50mm Width)

Voltage - Supply (Vcc/Vdd) :

7.8V~32V

ECCN Code :

EAR99

Voltage - Start Up :

8V

Analog IC - Other Type :

SWITCHING CONTROLLER

RoHS Status :

ROHS3 Compliant

Max Duty Cycle :

46 %

Peak Reflow Temperature (Cel) :

260

Packaging :

Tape and Reel (TR)

Topology :

Boost, Buck, Flyback, Forward

JESD-609 Code :

e4