SI-8050S datasheet(3/6 Pages) SANKEN

Il numero della parte	SI-8050S

Spiegazioni elettronici	Full-Mold, Separate Excitation Switching Type

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Produttore elettronici	SANKEN [Sanken electric]

Homepage	http://www.sanken-ele.co.jp/en

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3 / 6 page

82

sBlock Diagram

sStandard External Circuit

sTa-PD Characteristics

2

Reg.

OCP

OSC

Reset

Amp.

TSD

VREF

Comp.

Drive

1

4 VOS

VIN

SWOUT

GND

S.S.

53

VIN

C1

D1

L1

VIN

VO

GND

S.S

GND

SI-8000S

SWOUT

VOS

1

2

3

+

C2

+

5

4

15

20

10

5

0

–25

0

25

50

Ambient Operating Temperature Ta (

°C)

75

125

100

200

×200×2mm

(2.3

°C/W)

100

×100×2mm

(5.2

°C/W)

75

×75×2mm

(7.6

°C/W)

Infinite heatsink

Without heatsink

With Silicon Grease

Heatsink: Aluminum

C1,2 : 1000

µF

L1

: 150

µH

D1 : RK46(Sanken)

The efficiency depends on the input voltage and the out-

put current.Thus, obtain the value from the efficiency graph

on page 83 and substitute the percentage in the formula

above.

VO : Output voltage

VIN : Input voltage

IO : Output current

ηx : Efficiency (%)

VF : Diode forward voltage

0.5V(RK46)

Thermal design for D1 must be considered separately.

PD=VO•IO

100

–1

–VF•IO 1–

VO

ηχ

VIN

qSI-8000S Series

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SI-8050S Scheda tecnica(PDF) 3 Page - Sanken electric

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