2

www.recom-international.com

31-Oct-2005

Characteristics

Conditions

Min.

Typ.

Max.

Input Voltage Range

1.5V

4.75

34.0V

1.8V to 15.5V

4.75

30.0V

Output Voltage Range

All Series

1.5

15.5V

Output Current

All Series

50

500mA

Output Current Limit

All Series

2000mA

Short Circuit Input Current

All Series

10

30mA

Internal Power Dissipation

0.4W

Output Voltage Accuracy (At 100% Load)

All Series

±2

±3%

Line Voltage Regulation (Vin = min. to max. at full load)

1.5V to 6.5V

0.2

0.4%

9V to 15.5V

0.1

0.2%

Load Regulation (10 to 100% full load)

1.5V to 6.5V

0.4

0.6%

9V to 15.5V

0.25

0.4%

Dynamic Load Stability

100% <-> 50% load

±75mV

100% <-> 10% load

±100mV

Ripple & Noise (without Output Capacitor)

1.5V to 6.5V

20mVp-p

30mVp-p

9V to 15.5V

30mVp-p

40mVp-p

Ripple & Noise (with Output Capacitor=100µF)

1.5V to 6.5V

15mVp-p

20mVp-p

9V to 15.5V

25mVp-p

35mVp-p

Temperature Coefficient

-40°C ~ +85°C ambient

0.015%/°C

Max capacitance Load

220µF

Switching Frequency

280

330

380kHz

Quiescent Current

Vin = min. to max. at 0% load

5

7mA

Operating Temperature Range

-40°C

+85°C

Operating Case Temperature

+100°C

Storage Temperature Range

-55°C

+125°C

Case Thermal Impendance

70°C / W

Thermal Shutdown

Internal IC junction

+160°C

MTBF (+25°C)

using MIL-HDBK 217F

21,098 x 10³ hours

.

(+71°C)

4,212.x 10³ hours

R-78xx-0.5

Series

Specifications (refer to the standard application circuit, Ta: 25°C)

INNOLINE

DC/DC-Converter

Standard Application Circuit

R-78xx-0.5

-Vout

+Vout

+Vin

-Vin

C1

47µF

100µF

(Optional)

C2

1ms

To protect the converter during power-up, use soft start Vin and C1=47µF