cui.com

date 07/26/2016

│ page 6 of 8

CUI Inc

│ SERIES: PCSA1-S │ DESCRIPTION: DC-DC CONVERTER

TEST CONFIGURATIONS

Input Ripple Current & Output Noise

Figure 1 Measuring Input Ripple Current

Table 1

Input

Voltage

(Vdc)

L1

C1

C2

5

12 µH

2.2 µF tantalum

capacitor

NC

12

12 µH

2.2 µF tantalum

capacitor

NC

24

12 µH

4.7 µF ceramic

capacitor

NC

C1

C2

L1

To Oscilloscope

+Vin

-Vin

+Vo

-Vo

R-Load

Vin

+

-

Figure 2 Measuring Output Ripple And Noise

+Vin

-Vin

-Vo

+Vo

R-Load

Cext

0.33 µF Ceramic

Vin

+

-

BNC

To Scope

Cin

1.50

1.50

0.3

9±

0.60

6.70

PACKAGING

units: mm

Tube size: 17.2 x 9 x 340 mm

QTY: 26 pcs

5, 12 Vdc input models

24 Vdc input models

units: mm

Tube size: 20 x 11 x 340 mm

QTY: 26 pcs

Table 2

Input

Voltage

(Vdc)

Cin

5

2.2 µF ceramic capacitor

12

2.2 µF ceramic capacitor

24

4.7 µF ceramic capacitor

For more information, please visit the product page.