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Specifications subject to change without notice.

LH**

B/4-2008

Page 3 of 5

OUTPUT SPECIFICATIONS

Voltage set accuracy

±2%

(main output)

Input variation

±0.5% (main output)

±1.5% (supplement output)

Load variation (10-100%)

Single output models

Dual output models (balanced load)

Isolated triple output (balanced load)

Isolated and separated twin output (balanced load)

±1%

±2%

Vo1

±3%

(main output)

±Vo2 ±5%

(supplement output)

Vo1

±3%

(main output)

Vo2

±5%

(supplement output)

Minimum load

single output models

Dual output models

Isolated and separated twin output

Isolated triple output

0%

10% (main output)

10% (main output)

10% (main output)

Ripple& noise(p-p)

20MHz Bandwidth

≤100mV (main output)

Short circuit protection

Continuous, and auto resume

Over current protection

≥110% I

O

Over output voltage protection

3.3 / 5VDC models

9VDC models

12 / 15VDC models

24VDC models

48VDC models

≤6.5VDC

≤12VDC

≤20VDC

≤30VDC

≤60VDC

COMMON SPECIFICATIONS

Temperature ranges

Operating :

Power derating

above 55

°C:

LH20-10B05

above 50

°C:

Storage:

Case temperature:

-25

°C ~ +70 °C

3.75% /

°C

2.25% /

°C

-25

°C ~ +105 °C

+90

°C max

Hold-up time

(Vin=230VAC)

80ms(typ)

Humidity

(non condensing)

85%(max)

Temperature coefficient

0.02%/

°C (main output)

0.15%/

°C (supplement output)

Switching frequency

150kHz

max

Efficiency

78% typ

I/O-isolation voltage

3000VAC/1Min

Leakage current

0.3mA

RMS typ. 230VAC/50Hz

EMI/RFI conducted

EN55022, level B

EMC compliance

Electrostatic discharge ESD

RF field susceptibility

Electrical fast transients/bursts on mainsline

Surge

IEC/EN 61000-4-2 level 3

6KV/8KV

IEC/EN 61000-4-3

IEC/EN 61000-4-4 level 3

2KV

IEC/EN 61000-4-5 level 3

1KV / 2KV

Safety standards

IEC60950,EN60950,UL60950

Safety approvals

EN60950, IEC60950,UL60950

Safety Class

CLASS 1 CLASS 2

While LH15)

Case material

UL 94V-0

Install

PCB

MTBF

>200,000h @25

°C