DC/DC Converter

E_D-1WR2 & F_D-1WR2 series

2014.02.20-A/0

Page 2 of5

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Selection Guide

Part No.

Input Voltage

(VDC)

Output

Efficiency (%,

@ Full Load

Max. Capacitive

Load*

(µF)

Output Voltage

(VDC)

Output Current (mA)

(Max./Min.)

F2403D-1WR2

21.6-26.4

(24VDC nominal)

3.3

303/31

71/75

220

F2405D-1WR2

5

200/20

75/79

F2412D-1WR2

12

83/9

77/81

F2415D-1WR2

15

67/7

77/81

F2424D-1WR2

24

42/5

77/81

Note: *The capacitive loads of positive and negative outputs are the same.

Input Specifications

Item

Operating Conditions

Min.

Typ.

Max.

Unit

Input Current (full load / no-load)

3.3V input

--

404/30

--

mA

5V input

--

256/20

--

12V input

--

106/15

--

15V input

--

84/10

--

24V input

--

54/7

--

Surge Voltage (1sec. max.)

3.3V input

-0.7

--

5

VDC

5V input

-0.7

--

9

12V input

-0.7

--

18

15V input

-0.7

--

21

24V input

-0.7

--

30

Reflected Ripple Current

--

15

--

mA

Input Filter

Capacitance Filter

Output Specifications

Item

Operating Conditions

Min.

Typ.

Max.

Unit

Output Voltage Accuracy

See tolerance envelope graph (Fig. 1)

Linear Regulation

Input voltage

change: ±1%

3.3VDC output

--

--

±1.5

%

Other output

--

--

±1.2

Load Regulation

10%-100% load

3.3VDC output

--

18

--

5VDC output

--

12

--

12VDC output

--

8

--

15VDC output

--

7

--

24VDC output

--

6

--

Ripple & Noise*

20MHz bandwidth

--

60

--

mVp-p

Temperature Coefficient

100% load

--

--

±0.03

%/℃

Short Circuit Protection

Continuous, self-recovery

Note: * Ripple and noise are measured by

“parallel cable” method, please see DC-DC Converter Application Notes for specific operation.

General Specifications

Item

Operating Conditions

Min.

Typ.

Max.

Unit

Insulation Voltage

Input-output, with the test time of 1 minute and

the leak current lower than 1mA

3000

--

--

VDC

Insulation Resistance

Input-output, Isolation voltage 500VDC

1000

--

--

MΩ

Isolation Capacitance

Input-output, 100KHz/0.1V

--

20

--

pF

Operating Temperature

Derating when operating temperature up to

85℃, (see Fig.2)

-40

--

105

℃

Storage Temperature

-55

--

125

Casing Temperature Rise During

Operating

Ta=25℃

--

25

--

Hand Soldering

Welding spot is 1.5mm away from the casing, 10

seconds

--

--

300