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CUI Inc

│ SERIES: PDM1-S │ DESCRIPTION: DC-DC CONVERTER

date 02/10/2015

│ page 5 of 7

EMC RECOMMENDED CIRCUIT

Recommended external circuit

components

Vin

(Vdc)

C1

LDM

3.3

4.7μF/50V

6.8μH

5

4.7μF/50V

6.8μH

9

4.7μF/50V

6.8μH

12

4.7μF/50V

6.8μH

15

4.7μF/50V

6.8μH

24

4.7μF/50V

6.8μH

Vin

GND

+Vo

-Vo

()

0V

DCDC

LOAD

LDM

C1

Vin

GND

Cout

DERATING CURVES

10

20

30

40

50

60

70

80

90

100

10

-10

0

2.5

5

7.5

-2.5

-5

-7.5

Typical Load

Line

Rated Output Voltage

2.5

-2.5

-7.5

Output Current Percentage (%)

(Nominal Input Voltage)

Tolerance Envelope Curve

100

80

60

40

20

Ambient Temperature (°C)

-40-20

0204060

85

105 120

Temperature Derating Curve

Safe operating area

Figure 1

Table 1

Note:

1. See Table 2 for Cout values.

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