SI-3018LSA datasheet(3/6 Pages) ETC1

Teilenummer	SI-3018LSA

Bauteilbeschribung	Surface-Mount, Low Current Consumption, Low Dropout Voltage Dropper Type

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sBlock Diagram

sStandard External Circuit

sReference Data

CO : Output capacitor (22

µF or larger)

CIN : Input capacitor (0.1 to 10

µF)

This capacitor is required in the case of an inductive

input line or long wiring.

Tantalum capacitors are recommended for C1 and C0,

particularly at low temperatures.

* Leave pin 2 open.

TSD

+

–

VIN

NC

VIN

VC

VO

GND

1

2

3

4

8

7

6

5

1

2

3

4

8

7

6

5

+

VIN

VC

VO

CIN

CO

GND

+

PWB Copper Laminate Area vs. Junction

to Ambient Air Thermal Resistance

Allowable Output Current

(vs. VIN-VOUT Voltage Difference)

VIN-IO max

qSI-3000LSA Series

150

140

130

120

110

100

90

80

70

100

1000

5000

Copper Laminate Area (mm2)

PWB (glass-epoxy, 40

×40mm)

160mm (40

×40) mm

1.2

1.0

0.8

0.6

0.4

0.2

0

1234

VIN-VOUT Voltage Difference (V)

Tj = 120

°C (20% derating of 150°C)

Ta=25

°C

Ta=85

°C

j-a

=100

°C/W

The inner frame stage, on which the PTr is mounted, is directly connected to the VOUT pin.

Therefore, enlarging the copper laminate area achieves a heat radiation effect of the VOUT pin.

θ

Ähnliche Beschreibung - SI-3018LSA

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Ähnliche Teilenummer - SI-3018LSA

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