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Absolute Maximum Ratings
(1) (2)
UC1846-EP
CURRENT-MODE PWM CONTROLLER
SGLS329 – MAY 2006
MIN MAX UNIT
Supply voltage (pin 15) 40 V
Collector supply voltage (pin 13) 40 V
Output current, source or sink (pins 11, 14) 500 mA
Analog inputs (pins 3, 4, 5, 6, 16) –0.3 V
IN
V
Reference output current (pin 2) –30 mA
Sync output current (pin 10) –5 mA
Error amplifier output current (pin 7) –5 mA
Soft-start sink current (pin 1) 50 mA
Oscillator charging current (pin 9) 5 mA
T
A
= 25 ° C 1000
Power dissipation mW
T
C
= 25 ° C 2000
Storage temperature range –65 150 ° C
Lead temperature (soldering, 10 s) 300 ° C
(1) Stresses beyond those listed under "absolute maximum ratings" may cause permanent damage to the device. These are stress ratings
only, and functional operation of the device at these or any other conditions beyond those indicated under "recommended operating
conditions" is not implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.
(2) All voltages are with respect to ground, pin 13. Currents are positive into, negative out of the specified terminal.
3
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