ASTEC Semiconductor

Current Mode Controller

AS2842/3/4/5

39

Absolute Maximum Ratings

Parameter

Symbol

Rating

Unit

Self-Limiting

V

Supply Voltage (Low Impedance Source)

30

V

Output Current

±1A

Output Energy (Capacitive Load)

5

µJ

Analog Inputs (Pin 2, Pin 3)

– 0.3 to 30

V

Error Amp Sink Current

10

mA

Maximum Power Dissipation

8L SOIC

750

mW

8L PDIP

1000

mW

Maximum Junction Temperature

150

°C

Storage Temperature Range

– 65 to 150

°C

Lead Temperature, Soldering 10 Seconds

300

°C

Stresses greater than those listed under ABSOLUTE MAXIMUM RATINGS may cause permanent damage to the device. This is a stress

rating only and functional operation of the device at these or any other conditions above indicated in the operational sections of this

specification is not implied. Exposure to absolute maximum rating conditions for extended periods may affect reliability.

Recommended Conditions

Parameter

Symbol

Rating

Unit

Supply Voltage

AS2842,4

15

V

AS2843,5

10

V

Oscillator

50 to 500

kHz

Typical Thermal Resistances

Package

Typical Derating

8L PDIP

95

° C/W

50

° C/W

10.5 mW/

°C

8L SOIC

175

° C/W

45

° C/W

5.7 mW/

°C