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Mechanical Dimensions

Pin

Single Output

11

No Pin

12

13

15

No Pin

23

24

Pin Connections

Notes:

Pin

Dual Output

11

Common

12

No Pin

13

15

23

24

Model Selection Guide

Model

Number

Input

Output

Efficiency

(%, Typ)

Capacitive

Load

(µF, Max)

Fuse

Rating

Slow-Blow

(mA)

Voltage

(VDC)

Current

(mA, Max)

Current

(mA, Min)

Nominal

Range

Full-Load No-Load

MHI324S-05ARUI8

24

9.0 - 40.0

162

20

5.0

600

90.0

77

1,000

1,000

MHI324S-12ARUI8

24

9.0 - 40.0

152

20

12.0

250

37.5

82

470

1,000

MHI324D-12ARUI8

24

9.0 - 40.0

151

20

±12.0

±125

±18.8

83

220

1,000

MHI324D-15ARUI8

24

9.0 - 40.0

151

20

±15.0

±100

±15.0

83

220

1,000

MHI348S-05ARUI8

48

18.0 - 80.0

81

10

5.0

600

90.0

77

1,000

500

MHI348S-12ARUI8

48

18.0 - 80.0

76

10

12.0

250

37.5

82

470

500

MHI348D-12ARUI8

48

18.0 - 80.0

75

10

±12.0

±125

±18.8

83

220

500

MHI348D-15ARUI8

48

18.0 - 80.0

75

10

±15.0

±100

±15.0

83

220

500

Notes:

1. The specified maximum capacitive load is for each output.

3. When measuring output ripple & noise, it is recommended that an external capacitor (0.47 µF typ.) be

dual output models. To further reduce output ripple, a 3.3 µF is recommended.

4. Transient recovery is measured to within a 1% error band for a load step change of 75% to 100%.

5. The converter should be connected to a low ac-impedance source. A source with a highly induc-

tive impedance may affect the stability of the converter. In applications where the converter output

loading is high and input power is supplied over long lines, it may be necessary to use a capacitor

on the input to insure start-up. In this case, it is recommended that a low ESR (<1.0

at 100 kHz)

capacitor be mounted close to the converter. For 24V input units a 4.7 µF is recommended and for

48V units a 2.2 µF.

6. Operation at no-load will not damage the unit, but they may not meet all specifications.

7. It is recommended that a fuse be used on the input of a power supply for protection. See the Model

Selection tables for the correct rating.

Derating Curve

IGBT Applications

Notes:

The MHI300x-xxARU series is a good

choice for applications involving high

speed switching, such as driving IGBTs.

They are designed to withstand the

extra stress caused by the high voltage

switching transients present in IGBT

drive circuits.

All of the MHIxxx series have isolation

levels that range from 5.2 to 8 kV. Many

of these have reinforced insulation. The

high isolation levels (and the correspond-

ingly low capacitive coupling rates) allow

them to be safely used in applications

with highly dynamic switched AC or DC.