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TECHNICAL SPECIFICATIONS

HBS single output DC/DC converters provide up to

75 watts of output power in an industry standard

half-brick package and footprint.

These units feature

excellent efficiency, Class A conducted noise specs, and

fixed switching frequency. The HBS features open-frame

packaging, along with planar magnetics to provide

maximum useable power with minimal thermal constraints.

The HBS converters are especially suited to telecom,

networking, and industrial applications, and are fully

compatible with production board washing processes.

• Industry Standard Half-

Brick

• Open-Frame Packaging

• 100°C Baseplate Operation

• Water Washable

• “True-Trim” Option

• 1500V Isolation

• Positive Or Negative

Logic

DESCRIPTION

FEATURES

Voltage Range

24 VDC Nominal

18 - 36 VDC

48 VDC Nominal

34 - 75 VDC

Reflected Ripple

Input Reverse Voltage Protection

Shunt Diode

Input

Turn-On Time

10 ms

Remote Shutdown

Positive Or Negative Logic

Remote Shutdown Reference

Switching Frequency

500 kHz

Isolation, Input - Output

1500 VDC

Isolation, Input - Case

1050 VDC

Isolation, Output - Case

500 VDC

Temperature Coefficient

0.002%/°C

Case Temperature

Operating Range

-40 To +100°C

Storage Range

-40 To +125°C

Thermal Shutdown Range

105 To 115°C

Vibration, 3 Axes, 5 Min Each

5 g, 10 - 55 Hz

MTBF† (Bellcore TR-NWT-000332)

2.1 x 106 hrs

Safety

UL, cUL, VDE

Weight (approx.)

2.5 oz

General

Setpoint Accuracy

±1%

Remote Sense Headroom

0.5 VDC

Minimum Output Current

Dynamic Regulation, Loadstep

Pk Deviation

Settling Time

500

µs

Voltage Trim Range

±10%

Short Circuit / Overcurrent Protection

Hiccup

110 - 140%

OVP Trip Range

OVP

Hiccup

Output

Notes

† MTBF predictions may vary slightly from model to model.

Specifications typically at 25°C, normal line, and full load, unless

otherwise stated.

Soldering Conditions: I/O pins, 260°C, ten seconds; fully compatible with

commercial wave-soldering equipment.

Units are water-washable and fully compatible with commercial spray or

immersion post wave-solder washing equipment.

50

55

60

65

70

75

80

85

90

10

20

30

40

50

60

70

80

90

100

LOAD %

HBS050ZE-ANT

HBS075ZG-ANT

Efficiency vs. Load (48V Input)

HBS SERIES - 75 WATT

REV. 09/01