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NCP1351PRINTGEVB

http://onsemi.com

7

X11

IRFIB6N60

1

2

3

4

5

8

6 7

R1

15

C1

100 n

R5

330 k

R6

330 k

R7

0

X4x

OptoBase

C4

R8

C5

NC

D3

BAS20

C7

R10

1 k

R11 1 k

C8

10 n

C10

100 n

R13

3.4 k

R14

0.33

C12

10 n

D4

1N4007

X6

ELF

25F108A

C13

C14

220 n

D5

MBR20100

D7

MBR20100

C15

100 n

C16

L2

C17

C18

100 n

C19

L3

C20

R18

1 k

R19

2.7 k

R20

105 k

X4

SFH615A

X10

TL431

R21 3.65 k

R22

10 k

C21 100 n

Fuse

U1

R31

200 k

32 V

GND

16 V

C23

2.2 n

D2

NC

C3

D11

1N4148

R28 3.24 k

R30

47 k

OPP

NCP1351A

Ct

Timer

Aux

CS

D9

17 V

R9

0

R15

150 k

FB

D10

60 V

C6

180 p

R25

NC

C9

NC

R26

0

D13

1N4007

R24

3.3 M

R23

3.3 M

D14

NC

R2

4.7 M

Jitter

D12

6V2

NTC

Figure 11. Schematic for the NCP1351 40 W Printer Evaluation Board

100 

m

R

sense

V

CC

47 

m

+

4.7 

m

+

V

aux

1000 

m

+

+

100 

m

4.7 

m

4.7 

m

1000 

m

+

+

100 

m

DF05M

+

D1

Q1

NC

0

10 

m

L1

C101

NC

R17

NC

R12

0

1.5 

m

2.7 k

Содержание NCP1351 Series

Страница 1: ...sses the peak current setpoint as the load becomes lighter When the current reaches 30 of the nominal value the compression stops and the off duration keeps expanding towards low frequencies Low Stand...

Страница 2: ...overload condition it will start to charge the timer capacitor if the overload disappears the timer capacitor goes back to zero If the fault remains the timer capacitor voltage reaches 5 V and latches...

Страница 3: ...exceeds 17 V plus the NCP1351 5 V latch trip point total is thus 22 V the circuit latches off and immediately pulls the VCC pin down to 6 V The reset occurs when the injected current into the VCC pin...

Страница 4: ...ble 1 EFFICIENCY VIN POUT 120 Vac 230 Vac 40 W 84 4 85 4 25 W 85 9 85 9 10 W 86 0 85 1 5 W 85 5 83 2 2 W 83 4 79 5 1 W 77 7 73 3 0 5 W 70 0 66 3 Table 2 NO LOAD POWER VIN POUT 120 Vac 230 Vac No load...

Страница 5: ...cellent performance on several parameters like the efficiency and the low load standby The transient switching frequency increase allows to deliver peak power during a limited time but if the overpowe...

Страница 6: ...NCP1351PRINTGEVB http onsemi com 6 PCB LAYOUT Figure 8 Top Side Components Figure 9 Copper Traces Figure 10 SMD Components...

Страница 7: ...1 k R19 2 7 k R20 105 k X4 SFH615A X10 TL431 R21 3 65 k R22 10 k C21 100 n Fuse U1 R31 200 k 32 V GND 16 V C23 2 2 n D2 NC C3 D11 1N4148 R28 3 24 k R30 47 k OPP NCP1351A Ct Timer Aux CS D9 17 V R9 0...

Страница 8: ...sistor 0 W 0 25 W 5 SOD 1206 Vishay CRCW12060000Z0EA Yes Yes D3 1 High voltage Switching Diode 200 mA 200 V SOT 23 ON Semiconductor BAS20LT1G No Yes D4 1 Fast recovery Rectifier 1 A 600 V Axial ON Sem...

Страница 9: ...SMD Resistor 10 kW 0 25 W 1 SOD 1206 Vishay CRCW120610K0FKEA Yes Yes R23 R24 2 SMD Resistor 3 3 MW 0 25 W 5 SOD 1206 Vishay CRCW12063M30JNEA Yes Yes R26 1 SMD Resistor 0 W 0 25 W 1 SOD 1206 Vishay CRC...

Страница 10: ...olts 10 5 Change the current setpoint for the electronic load connected between pins 32 V and GND to 2 8 A The power supply should go to short circuit protection Measure the output voltages that shoul...

Страница 11: ...ems or any FDA Class 3 medical devices or medical devices with a similar or equivalent classification in a foreign jurisdiction or any devices intended for implantation in the human body Should you pu...

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