TOP412GN View Datasheet(PDF) - Power Integrations, Inc

Part Name

Description

Manufacturer

TOP412GN

Three-terminal DC to DC PWM Switch

Power Integrations, Inc 

TOP412/414

HV 90%

DRAIN

VOLTAGE

0V

t1

10%

TYPICAL CONTROL PIN I-V CHARACTERISTIC

t2

90%

DC = t1

t2

120

100

80

Latched Shutdown

Trigger Current (45 mA)

60

PI-1215-091794

40

Dynamic

Impedance

=

1

Slope

20

Figure 9. TOPSwitch Duty Cycle Measurement.

0

0

2

4

6

8

10

CONTROL Pin Voltage (V)

Figure 10. TOPSwitch CONTROL Pin I-V Characteristic.

D

TOPSwitch

CONTROL

C

S

C1

0.1 µF

C2

47 µF

R1

470 Ω

5W

S2

R2

470 Ω

S1

VS1

0-50 V

VS2

40 V

NOTES: 1. This test circuit is not applicable for current limit or output characteristic measurements.

2. For P package, short all SOURCE and SOURCE (HV RTN) pins together.

PI-2212-073098

Figure 11. TOPSwitch General Test Circuit.

12 A

4/99

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