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Recom
Recom


R-78B1.5-1.0

SIP3 Single Output

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Features

● ● ● ● ● ● ● ● ●

Efficiency up to 97%,Non isolated, no need for heatsinks Pin-out compatible with LM78XX Linears Low profile( L*W*H=11.5*8.5*17.5mm) Wide input range.(4.75V ~ 34V) Short circuit protection, Thermal shutdown Non standard outputs available as specials between 1.5V ~15V Low ripple and noise “L” version with 90° pins See Positive to Negative Converter Application Note for use as a voltage inverter (alternative to LM79xx Linear)

INNOLINE

DC/DC-Converter

R-78Bxx1.0(L) Series
1.0 AMP SIP3 Single Output

Selection Guide
Part Number SIP3 R-78B1.5-1.0 R-78B1.8-1.0 R-78B2.5-1.0 R-78B3.3-1.0 R-78B5.0-1.0 R-78B6.5-1.0 R-78B9.0-1.0 R-78B12-1.0 R-78B15-1.0 Input Range (1) (V) 4.75 – 26 4.75 – 26 4.75 – 34 4.75 – 34 6.5 – 34 9.0 – 34 12 – 34 16 – 34 20 – 34 Output Voltage (V) 1.5 1.8 2.5 3.3 5.0 6.5 9.0 12 15 Output Current (A) 1.0 1.0 1.0 1.0


Efficiency Min. Vin Max. Vin (%) (%) 77 80 85 89 93 94 95 96 97 71 74 78 83 88 90 93 95 96

1.0 1.0 1.0

1.0 1.0

* add Suffix “L” for 90° bent pins, e.g. R-78B5.0-1.0L

Note 1: 1.5V, 1.8V Output can be unstable with Vin>26VDC

Description
The R-78Bxx-Series high efficiency switching regulators are ideally suited to replace 78xx linear regulators and are pin compatible. The efficiency of up to 97% means that very little energy is wasted as heat so there is no need for any heat sinks with their additional space and mounting costs. The L-Version with 90° pins allows direct replacement for laid-flat regulators where component height is at a premium. Low ripple and noise figures and a short circuit input current of typically only 10mA round off the specifications of this versatile converter series.

Derating-Graph
(Ambient Temperature)
120 100 80 60 40 20 0

Output Power (%)

Safe Operating Area

-40

0

25

50

Operating Temperature (°C)

85 75 100 71

www.recom-international.com

13-February-2007

1

INNOLINE

DC/DC-Converter

R-78Bxx-1.0 (L) Series
Conditions 1.5V, 1.8V 2.5V to 15.5V All Series All Series All Series All Series 10 Min. 4.75 4.75 1.5 0 Typ. Max. 26.0V 34.0V 15.5V 1000mA 2000mA 30mA 0.65W Continuous, automatic recovery All Series 1.5V to 6.5V 9V to 15.5V 1.5V to 6.5V 9V to 15.5V 100% <-> 50% load Transient Recovery Time 1.5V to 6.5V 9V to 15.5V -40°C ~ +85°C ambient 280 Vin = min. to max. at 0% load All Series -40°C -55°C Internal IC junction using MIL-HDBK 217F using MIL-HDBK 217F +160°C 95% RH 6584 x 10³ hours 113


























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