UC2851DW

Manufacturer :

Unitrode

Product Category :

AC DC Converters, Offline Switches

Switcher Configuration :

Buck-Boost

Surface Mount :

yes

Additional Feature :

CURRENT MODE OPERATION IS ALSO POSSIBLE

Number of Outputs :

1

Terminal Position :

Dual

Operating Temperature :

-40°C~85°C TA

Control Technique :

PULSE WIDTH MODULATION

Terminal Finish :

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

Frequency - Switching :

Up to 500kHz

Control Mode :

CURRENT/VOLTAGE-MODE

Fall Time (Typ) :

50 ns

Internal Switch(s) :

No

Duty Cycle :

50%

Frequency :

450kHz

Voltage - Start Up :

8V

Length :

11.5mm

Number of Terminations :

18

Terminal Form :

Gull wing

Pbfree Code :

yes

Nominal Supply Current :

15mA

Height :

2.65mm

Moisture Sensitivity Level (MSL) :

2 (1 Year)

Lifecycle Status :

ACTIVE (Last Updated: 4 days ago)

Number of Pins :

18

Voltage - Supply (Vcc/Vdd) :

7.8V~32V

Analog IC - Other Type :

SWITCHING CONTROLLER

Package / Case :

18-SOIC (0.295, 7.50mm Width)

Max Duty Cycle :

46 %

Topology :

Boost, Buck, Flyback, Forward

Max Power Dissipation :

1W

Thickness :

2.35mm

ECCN Code :

EAR99

Mounting Type :

Surface Mount

Control Features :

Frequency Control, Soft Start

Isolation :

Non-Isolated

Peak Reflow Temperature (Cel) :

260

JESD-609 Code :

e4

Input Voltage-Nom :

20V

Fault Protection :

Current Limiting, Over Voltage

Output Voltage :

40V

Pin Count :

18

Base Part Number :

UC2851

Number of Functions :

1

Width :

7.5mm

Nominal Input Voltage :

30V

Lead Free :

Lead Free

RoHS Status :

ROHS3 Compliant

Output Power :

1W

Factory Lead Time :

6 Weeks

Rise Time :

50ns

Output Current :

400mA

Packaging :

Tube