-5V/-12V/-15V or Adjustable, High-Efficiency,

_______________________________________________________________________________________

7

__________________________________________Typical Operating Characteristics

CIRCUIT OF FIGURE 2

A: OUTPUT RIPPLE, 200mV/div

B: EXT WAVEFORM, 10V/div

C: INDUCTOR CURRENT, 2A/div

OPERATING WAVEFORMS

10

µs/div

A

B

C

CIRCUIT OF FIGURE 2

INDUCTOR CURRENT NEAR FULL LOAD

20

µs/div

1A/div

0A

CIRCUIT OF FIGURE 2

V+ = 8V, L = 22

µH

CONTINUOUS CONDUCTION

AT ONE-HALF CURRENT LIMIT

20

µs/div

1A/div

0A

CIRCUIT OF FIGURE 2

A: SHUTDOWN PULSE, 0V TO V+, 5V/div

ENTRY/EXIT FROM SHUTDOWN

2ms/div

A

B