2

www.recom-international.com

13-February-2007

Characteristics

Conditions

Min.

Typ.

Max.

Input Voltage Range

All Series, see Selection Guide

4.75

18.0V

Output Voltage Range (for customized parts)

All Series

1.5

6.5V

Output Current (see Note 1)

All Series

0

1500mA

Output Current Limit

All Series

5000mA

Short Circuit Input Current

All Series

60

80mA

Internal Power Dissipation

0.65W

Short Circuit Protection

Continuous, automatic recovery

Output Voltage Accuracy (At 100% Load)

All Series

±2

±3%

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

All Series

0.2

0.4%

Load Regulation (10% to 100% full load)

All Series

20

25mV

Dynamic Load Stability (with Output Capacitor=100µF)

100% <-> 50% load

±80

±120mV

Transient Recovery Time

1.0

1.5ms

Ripple & Noise (10% to 100% full load)

All Series

15

30mVp-p

Temperature Coefficient

-40°C ~ +85°C ambient

0.015%/°C

Max capacitance Load

1000µF

Switching Frequency

300

340

380kHz

Quiescent Current

Vin = min. to max. at 0% load

7

9mA

Input Reflected Ripple Current

All Series

150

200mAp-p

Operating Temperature Range

-40°C

+85°C

Operating Case Temperature

+100°C

Storage Temperature Range

-55°C

+125°C

Case Thermal Impendance

60°C / W

Thermal Shutdown

Internal IC junction

+160°C

Relative Humidity

95% RH

Case Material

Epoxy with Non-Conductive Plastic Case(UL94V-0)

Package Weight

4g

MTBF (+25°C)

using MIL-HDBK 217F

3250 x 10³ hours

.

(+71°C)

using MIL-HDBK 217F

1059 x 10³ hours

Note 1: The converter requires a minimum load of 6mA to start up properly. Once started, the load can be reduced to 0%

R-78Bxx-1.5

(L) Series

Specifications (refer to the standard application circuit, Ta: 25°C, minimum load = 10%)

INNOLINE

DC/DC-Converter

Standard Application Circuit

R-78Bxx-1.5

-Vout

+Vout

+Vin

-Vin

100µF

(Option)

C1

Application Notes chapter "MTBF"

Add a blocking diode to

Vout if current can flow

backwards into the out-

put, as this can damage

the converter.