MP023 – PRIMARY-SIDE CC/CV CONTROLLER

MP023 Rev. 1.1

www.MonolithicPower.com

5

7/18/2016

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

© 2016 MPS. All Rights Reserved.

ELECTRICAL CHARACTERISTICS

℃

℃

, unless otherwise noted.

Parameter

Symbol Condition

Min

Typ

Max

Units

Supply Voltage Management (VCC Pin)

VCC ON threshold

18.8

19.4

20.0

V

VCC OFF threshold

8.2

8.7

9.2

V

245

300

μA

Operating current

1

1.3

mA

High Voltage Current Source (HV Pin)

Break-down voltage

700

V

Supply current from HV pin

1.8

2.2

2.6

mA

Leakage current from HV pin

10

µA

Driving (Drv Pin)

Driver voltage high level

7.2

7.8

V

Driver voltage clamp level

12

13.4

15

V

Driver voltage low level

50

mV

Driver voltage rise time

30

ns

Driver voltage fall time

40

ns

Maximum ON time

22

36

50

us

Minimum switching frequency

72

105

Hz

Current Sense (CS Pin)

464

480

496

mV

Current limit

220

250

280

mV

fs to start the current fold back

30

40

50

kHz

fs to end the current fold back

20

kHz

Propagation delay to Drv

60

95

ns

Leading edge blanking

180

280

380

ns

Feedback input (FB Pin)

12

μA

9

μA

4.6

μA

FB pin input current

1.2

μA

FB reference voltage

3.90

3.96

4.02

V

OLP threshold at sampled FB

(5)

1.38

V

OLP counter

(1)

768

FB sampling duration

180

250

330

ns

2.50

3.45

4.70

1.70

2.58

3.50

3.60

5.20

7.00

FB maximum sampling time

5.00

7.00

9.20

μs