AC/DC Converter

LH20(25) Series

2015.08.24-B/3

Page 2 of 8

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Input Specifications

Item

Operating Conditions

Min.

Typ.

Max.

Unit

Input Voltage Range

AC input

85

--

264

VAC

DC input

100

--

370

VDC

Input frequency

47

--

63

Hz

Input current

115VAC

--

--

0.6

A

230VAC

--

--

0.34

Inrush current

115VAC

--

16

--

230VAC

--

30

--

Leakage current

0.3mA RMS typ./230VAC/50Hz

Recommended External Input

Fuse(Special package series include fuse)

3.15A/250V, slow fusing

Hot Plug

Unavailable

Output Specifications

Item

Operating Conditions

Min.

Typ.

Max.

Unit

Output Voltage Accuracy

Main circuit

--

±2

--

%

Line Regulation

Full load

Main circuit

--

±0.5

--

Auxiliary circuit

--

±1.5

--

Load Regulation

10%-100%

load

Single output

--

±1

--

Dual output(balanced load)

--

±2

--

Isolated triple output

(balanced load)

Main circuit

--

±3

--

Auxiliary circuit

--

±5

--

Isolated and separated twin

output (balanced load)

Main circuit

--

±3

--

Auxiliary circuit

--

±5

--

Ripple & Noise*

20MHz bandwidth (peak-peak value)

--

50

100

mV

Temperature Coefficient

Main circuit

--

±0.02

--

%/°C

Short Circuit Protection

Continuous, self-recovery

Over-current Protection

≥110%Io self-recovery

Over-voltage Protection

Main circuit

3.3 / 5VDC Output

≤

7.5VDC

9VDC Output

≤

13VDC

12 /15VDC Output

≤

20VDC

24VDC Output

≤

30VDC

48VDC Output

≤

60VDC

Min. Load

Single output models

0

--

--

%

Dual output models (balanced load)

10

--

--

Isolated and separated twin output (balanced load)

10

--

--

Isolated triple output (balanced load)

10

--

--

Hold-up Time

115VAC input

--

15

--

ms

230VAC input

--

80

--

Note: * Ripple and noise are measured by “parallel cable” method, please see AC-DC Converter Application Notes for specific operation.

General Specifications

Item

Operating Conditions

Min.

Typ.

Max.

Unit

Isolation Voltage

Input-output

Test time: 1min

3000

--

--

VAC

Operating Temperature

LH20-10A/C/D series

-25

--

+70

°C

LH20(25)-10B series

-40

--

+70

Storage Temperature

LH20-10A/C/D series

-25

--

+85

LH20(25)-10B series

-40

--

+85

Storage Humidity

--

--

95

%RH