MP44019

– CRM/DCM MULTI-MODE PFC CONTROLLER WITH SECOND OVP

MP44019 Rev. 1.0

MonolithicPower.com

6

4/30/2021

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

© 2021 MPS. All Rights Reserved.

ELECTRICAL CHARACTERISTICS (5)

VCC = 20V, TA = TJ= -40°C to +125°C, min and max values are guaranteed by characterization,

typical values are tested under 25°C, unless otherwise noted.

Parameter

Symbol

Condition

Min

Typ

Max

Units

Supply Voltage (VCC)

Turn-on threshold

VCC_ON

10.2

10.7

11.2

V

Turn-off threshold

VCC_OFF

8.1

8.6

9.1

V

Hysteresis

VCC_HYS

1.8

2.1

2.4

V

Supply Current

Start-up current

ISTARTUP

VCC = 9.5V

25

40

µA

Quiescent current

IQ

No switch

0.18

0.25

mA

Operating current

ICC

fSW = 70kHz, CLOAD = 1nF

2.1

3

mA

Mains Voltage Sensing (MAINSIN)

Brown-in voltage

VMAINS_BI

0.95

1

1.05

V

Brownout voltage

VMAINS_BO

0.85

0.9

0.95

V

Brownout comparator

hysteresis

VBO(HYS)

0.05

0.1

0.14

V

Brownout timer

tBO

50

ms

Protection current for

MAINSIN open

IMAINSIN_BIAS

20

nA

Error Amplifier

Reference voltage

VR

2.463

2.5

2.538

V

Transconductance

GM1

VFB = 2.45V

80

105

125

µS

GM2

VFB = 2.2V to 2.3V

160

280

400

µS

GM3

VFB = 2.65V to 2.75V

660

780

940

µS

Source current

ISOURCE1(COMP)

VFB = VREF - 0.3V

40

70

100

µA

ISOURCE2(COMP)

VFB = VREF - 0.05V

3

5

7

µA

Sink current

ISINK1(COMP)

VFB = VREF + 0.05V

-2.5

-4.5

-6.5

µA

ISINK2(COMP)

VFB = VREF + 0.15V

-25

-50

-75

µA

Feedback Inverter Pin (FB)

UVP stop threshold

VFB_UVP

0.35

0.4

0.45

V

UVP hysteresis

VFB_UVP_HYS

0.04

V

UVP blanking time

tBL_UVP

35

55

75

µs

FB start GM3 (5)

VFB_SGM3

2.56

2.6

2.64

V

FB start GM2 (5)

VFB_SGM2

2.36

2.4

2.44

V

OVP trigger threshold

VFB_OVP

2.66

2.7

2.73

V

OVP hysteresis

VFB_OVP_HYS

0.08

V

OVP blanking time

tBL_OVP

15

22

32

µs

Protection current for an

FB open fault

IFB_BIAS

VFB = 2V

20

nA