L6590 View Datasheet(PDF) - STMicroelectronics

Part Name

Description

Manufacturer

L6590

FULLY INTEGRATED POWER SUPPLY

STMicroelectronics 

Figure 30. Test Board (2) Main Waveforms

L6590

A1: Idrain

Ch1: Vdrain

A1: Idrain

Ch1: Vdrain

Vin = 100 VDC

Iout = 2 A

Ch1: Vdrain

A1: Idrain

Vin = 400 VDC

Iout = 2 A

Vin = 100 VDC

Iout = 50 mA

A1: Idrain

Ch1: Vdrain

Vin = 400 VDC

Iout = 50 mA

Figure 31. Test Board (2) Load Transient Response

Vout

Iout

Vin = 200 VDC

Iout = 0.2 ↔ 0.4 A

Standby Function

is not tripped

⇒transition

22 65 kHz

Vout

⇒transition

65 22 kHz

Iout

Vin = 200 VDC

Iout = 0.1 ↔ 0.3 A

Standby Function

is tripped

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