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Recom
Recom


R-78A1.5-0.5SMD

SMD Single Output

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Features

● ● ● ● ● ● ● ● ●

Efficiency up to 97%,Non isolated, no need for heatsinks SMD Package Adjustable Output Voltage Wide input range.(4.75V ~ 34V) Short circuit protection, Thermal shutdown Remote On/Off Control
UL94V-0 Package Material

INNOLINE

DC/DC-Converter

Very Low Shutdown Current See Positive-to Negative Converter Application Note for use as a voltage inverter (alternative to LM79xx Linear)

R-78Axx0.5SMD Series
0.5 AMP SMD Single Output

Selection Guide
Part Number SMD R-78A1.5-0.5SMD R-78A1.8-0.5SMD R-78A2.5-0.5SMD R-78A3.3-0.5SMD R-78A5.0-0.5SMD R-78A6.5-0.5SMD R-78A9.0-0.5SMD R-78A12-0.5SMD R-78A15-0.5SMD Input Range (1) (V) 4.75 – 30 4.75 – 34 4.75 – 34 4.75 – 34 6.5 – 34 8.0 – 34 11 – 34 15 – 34 18 – 34 Output Voltage (V) 1.5 1.8 2.5 3.3 5.0 6.5 9.0 12 15 Adjust Range (V) fixed 1.5~3.3 1.5~4.5 1.8~5.5 2.5~8.0 3.3~11.0 4.5~12.6 4.5~12.6 fixed Output Current (A) 0.5 0.5 0.5 0.5


Efficiency Min. Vin Max. Vin (%) (%) 73 82 87 91 94 95 96 97 97 63 71 77 81 86 88 92 94 95

0.5 0.5 0.5 0.5 0.5

Note 1:1.5V Output can be unstable with Vin>30VDC

Description
The R-78Axx-0.5SMD series high efficiency switching regulators are ideally suited to pick-and-place mass production. The efficiency of up to 97% means that very little energy is wasted as heat. The additional features of remote on/off control and adjustable output voltages will find many uses in the Battery-powered, Industrial, Medical and Automotive markets. Low ripple and noise figures and a shutdown input current of typically only 20uA round off the specifications of this versatile SMD converter series.

Derating-Graph
(Ambient Temperature)
120 100
Output Power (%)

80 60 40 20 0

Safe Operating Area

-40

0

25

50

Operating Temperature (°C)

85 75 100 71

www.recom-international.com

27-March-2007

143

INNOLINE

DC/DC-Converter

R-78Axx-0.5 SMD Series
Conditions See Table See Table All Series All Series All Series Min. 4.75 1.5 0 Typ. Max. 34.0V 15V 500mA 2000mA 25mA 0.4W Continuous, automatic recovery All Series See Table 1 1.5V to 6.5V 9V to 15V 1.5V to 6.5V 9V to 15V 100% <-> 50% load 100% <-> 10% load 1.5V to 6.5V 9V to 15.5V -40°C ~ +85°C ambient 280 Vin = min. to max. at 0% load 0.8 ON: Open or 1.6
























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