1

®

MODELS

DUAL

±5

HSH SERIES

1.5 WATT

• -55°C to +150°C operation

• 6 to 20 VDC input voltage range

• Fully isolated

• Magnetic feedback

• Variable operating frequency

• Topology –

Self Oscillating Flyback

• Inhibit function

DESCRIPTION

With a miniature footprint of just 0.8 square inches, the HSH

Series™ of DC/DC converters delivers 1.5 watts of output power

while saving significant board real estate. The wide input voltage

range of 6 to 20 VDC accepts the varying voltages of military, indus-

trial, or battery 15V bus power and tightly regulates output voltages

to protect downstream components. Transient protection of 40 volts

for up to 120 milliseconds.

HSH Series DC/DC converters incorporate a flyback topology with a

variable frequency, nominally 370 kHz. Output voltage is magneti-

cally fed back to the input side of the PWM to regulate output volt-

age.

Up to 80% of the load may be on one output providing that the other

output carries a minimum of 20% of the total load. This dual model

can be used as a single output voltage by connecting the load

between positive and negative outputs, leaving the common uncon-

nected resulting in double the output voltage. (ex: HSH1205D can

be used as a 10 VDC output.)

When an open collector TTL logic low is applied to the inhibit termi-

nal, pin 7, the converter shuts down and lowers the output voltage

to near zero and input current to as low 5 mA. Leaving the terminal

open or applying an open collector TTL logic high will enable the

converter.

MIL-STD-461

Use Interpoint’s FMSA-461 EMI filter to pass the CE03 requirements

of MIL-STD-461C.

The HSH Series converters are packaged in hermetically sealed

metal cases which provide EMI/RFI shielding and protection from

the environment.

Size (max.): 0.980 x 0.805 x 0.270 inches (24.89 x 20.45 x 6.86 mm)

Weight:

12 grams max.

Screening: HSH Standard or HSH ES