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Recom
Recom


R-78Bxx-1.5L

SIP3 Single Output

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Features

● ● ● ● ● ● ● ●

Efficiency up to 95%,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 ~ 18V) Short circuit protection, Thermal shutdown Non standard outputs available as specials between 1.5V ~ 6.5V Low ripple and noise “L” Version with 90° pins

INNOLINE

DC/DC-Converter

R-78Bxx1.5(L) Series
1.5 AMP SIP3 Single Output

Selection Guide
Part Number* SIP3 R-78B1.5-1.5 R-78B1.8-1.5 R-78B2.5-1.5 R-78B3.3-1.5 R-78B5.0-1.5 R-78B6.5-1.5 Input Range (V) 4.75 – 18 4.75 – 18 4.75 – 18 4.75 – 18 6.5 – 18 8.0 – 18 Output Voltage (V) 1.5 1.8 2.5 3.3 5.0 6.5 Output Current (A) 1.5 1.5 1.5


Efficiency Min. Vin Max. Vin (%) (%) 83 85 88 91 94 95 78 81 84 88 92 93

1.5

1.5 1.5

* add Suffix “L” for 90° bent pins, e.g. R-78B5.0-1.5L

Description
The R-78Bxx-1.5 Series high efficiency switching regulators are ideally suited to replace 78xx linear regulators and are pin compatible. The efficiency of up to 95% 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 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

13-February-2007

1

INNOLINE

DC/DC-Converter

R-78Bxx-1.5 (L) Series
Conditions All Series, see Selection Guide All Series All Series All Series All Series 60 Min. 4.75 1.5 0 Typ. Max. 18.0V 6.5V 1500mA 5000mA 80mA 0.65W Continuous, automatic recovery All Series All Series All Series 100% <-> 50% load Transient Recovery Time All Series -40°C ~ +85°C ambient 300 Vin = min. to max. at 0% load All Series -40°C -55°C Internal IC junction +160°C 95% RH Epoxy with Non-Conductive Plastic Case(UL94V-0) 4g 340 7 150 ±2 0.2 20 ±80 1.0 15 ±3% 0.4% 25mV ±120mV 1.5ms 30mVp-p 0.015%/°C 1000µF 380kHz 9mA 200mAp-p +85°C +100°C +125°C 60°C / W

Specifications (refer to the standard application circuit, Ta: 25°C, minimum load = 10%)
Characteristics Input Voltage Range Output Voltage Range (for customized parts) Output Current (see Note 


























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