MP156 –SMALL, ENERGY-EFFICIENT, OFF-LINE REGULATOR

MP156 Rev. 1.15

www.MonolithicPower.com

3

4/21/2016

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© 2016 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 level (increasing) where

the internal regulator stops

5.4

5.6

5.8

V

VCC level (decreasing) where

the internal regulator turns on

5.1

5.3

5.6

V

VCC regulator on and off

hysteresis

250

mV

VCC level (decreasing) where

the IC stops

3.4

V

VCC level (decreasing) where

the protection phase ends

2.4

V

Internal IC consumption

VCC=5.8V,

D=40%

430

μA

Internal IC consumption (No

switching)

165

uA

Internal IC consumption, latch-

off phase

VCC=5.3V

16

μA

Internal MOSFET (Drain Pin)

Breakdown Voltage

500

V

ON 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

2.45

2.55

2.65

V

OLP feedback trigger threshold

OLP

1.6

1.7

1.8

V

OLP delay time

170

ms

Open-loop detection

60

mV

Thermal Shutdown

Thermal shutdown threshold

150

°C