MP4078

– PSR OFFLINE CONTROLLER WITH PFC

MP4078 Rev. 1.0

www.MonolithicPower.com

13

7/21/2020

MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.

© 2020 MPS. All Rights Reserved.

TYPICAL PERFORMANCE CHARACTERISTICS (continued)

Performance waveforms are tested on the EV4078-S-00A evaluation board, VIN = 90VAC to 265VAC,

VOUT = 50V, IOUT = 600mA, TA = 25°C, unless otherwise noted.

Shutdown

230VAC, full load

Transient High Triggering

230VAC

, full load to no load

CH1: VOUT

20V/div.

CH2: VZCD

2V/div.

CH3: COMP

2V/div.

CH4: IPRI

2A/div.

CH1:

VOUT_AC

5V/div.

CH2: COMP

2V/div.

CH3: IOUT

500mA/div.

CH4: IPRI

2A/div.

40ms/div.

2ms/div.

Transient High Triggering

230VAC

, full load to no load

SCP

230V, full load

CH1: VOUT_AC

5V/div.

CH2: COMP

2V/div.

CH3: IOUT

500mA/div.

CH4: IPRI

2A/div.

CH1: VOUT

20V/div.

CH2: VZCD

2V/div.

CH3: COMP

2V/div.

CH4: VCC

10V/div.

20

μs/div.

400ms/div.

Short then Start

230V, full load

CH1: VOUT

20V/div.

CH2: VZCD

2V/div.

CH3: COMP

2V/div.

CH4: VCC

10V/div.

400ms/div.