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R-78Axx-1.0SMD

SMD Single Output

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Features

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Efficiency up to 94%,Non isolated, no need for heatsinks SMD Package (UL94V-0 Material ) Adjustable Output Voltage Wide input range.(4.75V ~ 18V) Short circuit protection, Thermal shutdown Remote On/Off Control Very Low Shutdown Current

INNOLINE

DC/DC-Converter

Selection Guide
Part Number SMD R-78A1.8-1.0SMD R-78A2.5-1.0SMD R-78A3.3-1.0SMD R-78A5.0-1.0SMD Input Range (1) (V) 4.75 – 18 4.75 – 18 4.75 – 18 6.5 – 18 Output Voltage (V) 1.8 2.5 3.3 5.0 Adjust Range (V) 1.5~3.3 1.5~4.5 1.8~5.5 2.5~5.5 Output Current (A) 1.0 1.0 1.0 1.0 Efficiency Min. Vin Max. Vin (%) (%) 82 87 91 94 71 77 81 86

R-78Axx1.0SMD Series
1.0 AMP SMD Single Output

Description
The R-78Axx-1.0SMD series high efficiency switching regulators are ideally suited to pick-and-place mass production. The efficiency of up to 94% means that very little energy is wasted as heat. remote on/off control and adjustable output voltage are useful additional features of this versatile SMD converter series.

Specifications ( typical at 25°C, 10% minimum load, unless otherwise specified )
Characteristics Input Voltage Range (Note 1) Output Voltage Range Output Current Output Current Limit Short Circuit Input Current Internal Power Dissipation Short Circuit Protection Output Voltage Accuracy (At 100% Load) Adjustable Voltage Range Load Regulation (10% to 100% full load) Dynamic Load Stability Ripple & Noise (20MHz BW) Temperature Coefficient Max capacitance Load Switching Frequency Quiescent Current Shutdown Current Remote On/Off Threshold Voltage ON/OFF Remote Control Operating Temperature Range Switch On/Off Time Operating Case Temperature Storage Temperature Range Case Thermal Impendance Thermal Shutdown Package Weight MTBF (+25°C) . (+71°C) Internal IC junction using MIL-HDBK 217F using MIL-HDBK 217F +160°C 2.7g 13338 x 10³ hours 3880 x 10³ hours 151 -55°C 0.8 ON: Open or 1.650% load All Series See Table 1 0.2 0.7 ±2 Conditions See Table See Table All Series All Series All Series Min. 4.75 1.5 0


Typ.

Max. 18.0V 5.5V 1000mA 3000mA 30mA 0.4W

Continuous, automatic recovery ±3% ±50% 0.4% 1.0%

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

±85mV ±100mV 20mVp-p 30mVp-p 0.015%/°C 220µF 430kHz 7mA 35µA 1.6V +85°C 50ms +100°C +125°C 70°C / W
Output Power (%)

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