Rainbow-electronics MAX5051 Manual do Utilizador descarregar pdf (Página 18)

MAX5051

Parallelable, Clamped Two-Switch

Power-Supply Controller IC

18 ______________________________________________________________________________________

REG5

R21

24.9kΩ

100pF

RCOSC

TP1

R25

100kΩ

390pF

RCFF

CSS

COM

COMP

REG5

SYNCOUT

4700pF

R15

31.6kΩ

R16

10.5kΩ

4.7µF

REG5

REG9

4.7µF

REG9

PVIN

0.1µF

PVIN

STT

LXVDD

LXH

C18

100pF

R27

10Ω

C19

1µF

LXH

TP3

LXL

2.2kΩ

R11

360Ω

C17

0.33µF

C24

1000pF

R20

0Ω

R19

475Ω

R12

100kΩ

C27

0.15µF

C36

0.22µF

C28

0.047µF

11.5kΩ

2.55kΩ

OUT

R23

10Ω

TRIM

SENSE (+) SENSE (-)

R24

10Ω

OUT

PGND

GND

REG9

C26

0.1µF

C22

2200pF

2kV

SYNCIN

GND

AVIN

BST

DRVH

XFRMRH

UVLO

FLTINT

STARTUP ON/OFF

1MΩ

0.22µF

+VIN

REG9

38.3kΩ

0Ω

8.2Ω

4.7µF

XFRMRH

DRVB

DRVDD

PGND

DRVL

IC_PADDLE

DRVB

REG9

1µF

R14

150Ω

8.2Ω

C20

220pF

R17

0.027Ω

C21

4.7µF

80V

R18

4.7Ω

PVIN +V

R22

15kΩ

R13

47Ω

C34

330pF

R10

20Ω

C23

1000pF

2.4µH

C29

0.1µF

N_OUT

P_OUT

V+

GND

IN-

IN+

V+

P_OUT

M_OUT

IN+

IN-

GND

C30

0.1µF

C31

0.1µF

VCC

OUT

GND

U1: MAX5051

U2: PS2913-1-M

U3: MAX8515

U4, U7: MAX5048A

U5: MAX5023M

U6: PS9715

N1, N2: SI4486

N3, N4: SI4864

N5: BSS123

LXH

R26

560Ω

R28

2kΩ

C13

270µF

C14

270µF

C15

270µF

C33

1µF

10V

OUT

VOUT

SGND

C16

3.3µF

C35

1µF

C32

1µF

IN OUT

WDI

N.C.

GND

RESET

HOLD

XFRMRH

C10

0.47µF

100V

C11

0.47µF

100V

C12

1µF

100V

C25

0.07µF

100V

-V

R29

1Ω

XFRMRH

DRVB

MAX5051

REG5

OUT

Figure 8. Schematic of a 48V Input 3.3V at 15A Output Synchronously Rectified, Isolated Power Supply

1 2 ... 13 14 15 16 17 18 19 20 21

Power-Supply Controller IC 1

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