800

50

Switching Frequency Vs Load ( Vin=30~72V )

Vo=5.0V

Vo=9.0V

Vo=15V

200

Output Current ( mA )

100

200

300

400

500

Vo=24V

Vo=6.5V

10

100

Vo=3.3V

400

50

10

Vo=12V

Switching

Frequency

vs

Load

Characteristics

Conditions

Min.

Typ.

Max.

Temperature Coefficient

-40°C ~ +85°C ambient

0.015%/°C

Max capacitance Load

with normal start-up time, no external components

100µF

with <1 second start up time + diode protection circuit

6800µF

Switching Frequency (See Graph)

Full Load

120kHz

800kHz

Quiescent Current

Vin = 48VDC. at minimum load

1mA

5mA

Operating Temperature Range

-40°C

+85°C

Operating Case Temperature

+100°C

Storage Temperature Range

-55°C

+125°C

Case Thermal Impedance

60°C / W

Relative Humidity

95% RH

Case Material

Non-Conductive Black Plastic

Potting Material

Epoxy (UL94V-0)

Package Weight

4g

Packing Quantity

42 pcs per Tube

Soldering Temperature

265°C max./10 sec.

Conducted Emissions

EN55022

Class B

Radiated Emissions

EN55022

Class B

ESD

EN61000-4-2

Class A

IEC/EN General Safety

Report: SPCLVD 1407030-1

IEC/EN-60950-1, 2nd Edition

MTBF (+25°C)

using MIL-HDBK 217F

7395 x 10³ hours

(+71°C)

using MIL-HDBK 217F

1242 x 10³ hours

R-78HBxx-0.5

(L) Series

INNOLINE

DC/DC-Converter

Application Notes chapter "MTBF"

R-78HBxx-0.5

-Vout

+Vout

+Vin

-Vin

The converter has a built in soft start circuit. Rapidly changing the input voltage

from Vin(min)

Vin(max) can bypass this circuit and damage the converter.

3.3µF/100V

Required if

Vin>50V

Typical Application Circuit

Typical Characteristics

I-30

www.recom-power.com

REV: 0/2015