MP155 – ENERGY EFFICIENT OFF-LINE REGULATOR

MP155 Rev. 1.12

www.MonolithicPower.com

16

10/28/2013

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TYPICAL APPLICATION CIRCUITS

Figure 11 shows a typical application example of a 12V, 200mA non-isolated power supply using the

MP155.

L

N

D2

1N4007

WUGC10JH

D3

GND

Vout

GND

1N4007

D1

10

RF1

Drain

5

Source

4

Vcc

1

FB

2

Source

3

U1

MP155

470pF

C7

C2

1

C6

/400 V

C3

10

/400V

C4

/16V

C5

1mH

L1

19.1k

R1

4.99k

R2

3.9k

R3

D4

1N 4007

220nF

C1

2.2mH

L2

1N4148

D5

R5

24.9k

12V/200mA

Figure 11: Typical Application, 12V/200mA