UC2851DW

Manufacturer :

Unitrode

Product Category :

AC DC Converters, Offline Switches

Moisture Sensitivity Level (MSL) :

2 (1 Year)

Pbfree Code :

yes

Nominal Input Voltage :

30V

Base Part Number :

UC2851

ECCN Code :

EAR99

Nominal Supply Current :

15mA

Number of Outputs :

1

Pin Count :

18

Frequency :

450kHz

Terminal Position :

Dual

Frequency - Switching :

Up to 500kHz

Voltage - Supply (Vcc/Vdd) :

7.8V~32V

Height :

2.65mm

Output Power :

1W

Number of Terminations :

18

Rise Time :

50ns

JESD-609 Code :

e4

Duty Cycle :

50%

Terminal Finish :

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

Analog IC - Other Type :

SWITCHING CONTROLLER

Fall Time (Typ) :

50 ns

Package / Case :

18-SOIC (0.295, 7.50mm Width)

Factory Lead Time :

6 Weeks

Number of Pins :

18

Thickness :

2.35mm

Mounting Type :

Surface Mount

Terminal Form :

Gull wing

Max Duty Cycle :

46 %

Peak Reflow Temperature (Cel) :

260

RoHS Status :

ROHS3 Compliant

Surface Mount :

yes

Width :

7.5mm

Max Power Dissipation :

1W

Length :

11.5mm

Output Voltage :

40V

Fault Protection :

Current Limiting, Over Voltage

Voltage - Start Up :

8V

Lifecycle Status :

ACTIVE (Last Updated: 4 days ago)

Lead Free :

Lead Free

Control Technique :

PULSE WIDTH MODULATION

Additional Feature :

CURRENT MODE OPERATION IS ALSO POSSIBLE

Control Features :

Frequency Control, Soft Start

Internal Switch(s) :

No

Control Mode :

CURRENT/VOLTAGE-MODE

Output Current :

400mA

Operating Temperature :

-40°C~85°C TA

Number of Functions :

1

Input Voltage-Nom :

20V

Switcher Configuration :

Buck-Boost

Topology :

Boost, Buck, Flyback, Forward

Packaging :

Tube

Isolation :

Non-Isolated