UC3842B, UC3843B, UC2842B, UC2843B, NCV3843BV

http://onsemi.com

2

MAXIMUM RATINGS

Rating

Symbol

Value

Unit

Bias and Driver Voltages (Zero Series Impedance, see also Total Device spec)

30

V

Total Power Supply and Zener Current

30

mA

Output Current, Source or Sink

1.0

A

Output Energy (Capacitive Load per Cycle)

W

5.0

mJ

Current Sense and Voltage Feedback Inputs

− 0.3 to + 5.5

V

Error Amp Output Sink Current

10

mA

Power Dissipation and Thermal Characteristics

D Suffix, Plastic Package, SOIC−14 Case 751A

Thermal Resistance, Junction−to−Air

D1 Suffix, Plastic Package, SOIC−8 Case 751

Thermal Resistance, Junction−to−Air

N Suffix, Plastic Package, Case 626

Thermal Resistance, Junction−to−Air

862

145

702

178

1.25

100

mW

°C/W

mW

°C/W

W

°C/W

Operating Junction Temperature

+150

°C

Operating Ambient Temperature

UC3842B, UC3843B

UC2842B, UC2843B

UC3842BV, UC3843BV

NCV3843BV

0 to 70

− 25 to + 85

−40 to +105

−40 to +125

°C

Storage Temperature Range

− 65 to +150

°C

Stresses exceeding Maximum Ratings may damage the device. Maximum Ratings are stress ratings only. Functional operation above the

Recommended Operating Conditions is not implied. Extended exposure to stresses above the Recommended Operating Conditions may affect

device reliability.