cui.com

date

03/25/2014 │ page 7 of 9

CUI Inc

│ SERIES: PBK-3 │ DESCRIPTION: AC-DC POWER SUPPLY

TEST CONFIGURATION

Figure 1

Table 1

Recommended External Circuit Components

V

OUT

(Vdc)

C4

CY0

(Y1

capacitor)

3.3

22μF/400V 330μF/25V 2.2μH 120μF/25V 0.1μF/50V 1nF/400Vac

522μF/400V 330μF/25V 2.2μH68μF/35V

0.1μF/50V 1nF/400Vac

922μF/400V 330μF/25V 2.2μH68μF/35V

0.1μF/50V 1nF/400Vac

12

22μF/400V 150μF/35V 2.2μH68μF/35V

0.1μF/50V 1nF/400Vac

15

22μF/400V 150μF/35V 2.2μH68μF/35V

0.1μF/50V 1nF/400Vac

24

22μF/400V 100μF/35V 2.2μH68μF/35V

0.1μF/50V 1nF/400Vac

Co p p e r sh e e t

C o nn ec t Os c illo gr ap h P ro be

AC -D C

+Vo

-Vo

FU SE

C2

C3

CY0

L1

C4

C1

Note:

1. Required components.

2. 1 A/250 V fuse required.

Front View

Top View

PCB Layout

Bottom View

Side View

MECHANICAL DRAWING (CONTINUED)

units: mm[inch]

tolerance: ±0.5[±0.020]

pin tolerance: ±0.1[±0.004]

RIGHT-ANGLE ORIENTATION (ALL OTHER MODELS)

PIN CONNECTIONS

PIN

FUNCTION

1

-Vin (N)

3

+Vin (L)

5

+V(CAP)

7

-V(CAP)

10

-Vo

12

+Vo

Note: 1. It is required to add C1 between

pins 5 & 7 (see application circuits).

For more information, please visit the product page.