Recom Switching Regulator, Surface Mount, 3.3V dc Output Voltage, 4.75 → 32V dc Input Voltage, 500mA Output

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Subtotal 5 units (supplied in a tube)*

£35.85

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£43.00

(inc. VAT)

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Packaging Options:
RS Stock No.:
706-3938P
Mfr. Part No.:
R-78AA3.3-0.5SMD
Brand:
Recom
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Brand

Recom

Output Voltage

3.3V dc

Output Current

500mA

Input Voltage

4.75 → 32V dc

Mounting Type

Surface Mount

Number of Outputs

1

Package

DIP

Power Rating

1.65W

Efficiency

91%

Ripple And Noise

30mV Pk-Pk

Minimum Temperature

-40°C

Maximum Temperature

+85°C

Series

R-78AA-0.5

Line Regulation

±0.4%

Depth

8.8mm

MTBF

29253000h

Weight

2.7g

Width

9.6mm

Length

15.3mm

Load Regulation

±1%

COO (Country of Origin):
TW

R78AAxx-0.5SMD Series


Replacement for R-78Axx-0.5SMD series
Non-isolated
High efficiency up to 97%
Adjustable output voltage
Wide input voltage range
Thermal shutdown and continuous short circuit protection
Remote On/Off control
UL94V-0 package material
SMD 10 pin package

Note

Derate output when operating temperature above +71°C.
MTBF to MIL-HDBK 217F (+25°C).
Stk numbers 706-3922 and 706-3957 have fixed output voltages.

Standards

EN-60950-1

RECOM Switching Regulator, Surface Mounting, Adjustable Output - R-78AA-0.5 Series - R-78AA3.3-0.5SMD


A calm port in a storm – that's what you get with this switching regulator from RECOM. It stabilises varying voltage inputs ranging from 4.75 to 32V DC to give you a steady 3.3V DC output that's safe for low-voltage components like LED lamps. As an added advantage, you can adjust the output between 3 and 5.5V to suit your system's needs. The unit comes with integrated ON/OFF controls, so you can keep a secure handle on its operation.

Features & Benefits


• Non-conductive plastic housing for impact resistance and prevention of electric shocks
• Continuous short-circuit protection with automatic recovery to ensure safe operation
• Broad operating temperature range between -40°C and +85°C for use in challenging settings
• Low ripple and noise rating of 30mV for smooth signal transmission

Applications


• Medical equipment
• Research laboratories
• Automotive manufacture

How do I mount this switching regulator?


For ease, you can surface-mount this regulator directly onto your equipment via vapour phase soldering.

How efficient is this switching regulator?


This device offers up to 91% efficiency, which means it loses next to nothing in heat, saving you the bother of installing a heatsink.

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