MP155 – ENERGY EFFICIENT OFF-LINE REGULATOR

MP155 Rev. 1.12

www.MonolithicPower.com

3

10/28/2013

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© 2013 MPS. All Rights Reserved.

ELECTRICAL CHARACTERISTICS

Parameter

Symbol Condition

Min

Typ

Max

Units

Start-up Current Source (Drain Pin)

Internal regulator supply current

2.5

3.5

4.5

mA

Drain pin leakage current

10

12

μA

Breakdown Voltage

500

V

Supply Voltage Management (VCC Pin)

VCC regulator turn-off level (rising)

5.4

5.6

5.8

V

VCC regulator turn-on level (falling)

5.1

5.3

5.6

V

On and off VCC regulator hysteresis

250

mV

VCC turn-off level (falling)

3.4

V

VCC phase completion level (falling)

2.4

V

Internal IC consumption

D=40%

430

μA

Internal IC consumption (no

switching)

250

μA

Internal IC Consumption, latch-off

phase

16

μA

Internal MOSFET (Drain Pin)

Breakdown voltage

500

V

ON-State resistance

20

Ω

Internal Current Sense

Peak current limit

260

290

345

mA

Leading-edge blanking

350

ns

SCP point

450

mA

Leading-edge blanking for SCP

180

ns

Feedback input (FB Pin)

Minimum OFF time

15

18

21

μs

Primary MOSFET feedback turn-on

threshold

2.4

2.5

2.6

V

OLP feedback trigger threshold

1.6

1.7

1.8

V

Over-load protection delay

170

ms

Open loop detection

60

mV

Thermal Shutdown

Thermal shutdown threshold

150

°C