R-78A3.3-0.5SMD RECOM Power, Inc., R-78A3.3-0.5SMD Datasheet
Home Integrated Circuits (ICs) PMIC - Power Supply Controllers, Monitors R-78A3.3-0.5SMD
Manufacturer Part Number
R-78A3.3-0.5SMD
Description
SWITCHING REGULATOR, 0.5 AMP, SMD, 3.3VSINGLE OUTPUT, HIGH EFFICIENCY
Manufacturer
RECOM Power, Inc.
Specifications of R-78A3.3-0.5SMD
Brand/series
R-78Axx-0.5SMD Series
Configuration
Encapsulated
Mounting Type
Surface Mount
Number Of Outputs
1
Operation
Switching
Output
3.3 VDC @ 0.5 A
Primary Type
DC-DC Converter
Special Features
Remote On/Off
Voltage, Input
4.75 to 34 VDC
Voltage, Output
3.3 VDC
Lead Free Status / Rohs Status
RoHS Compliant part
Available stocks
Part Number:
R-78A3.3-0.5SMD
Note 1:1.5V Output can be unstable with Vin>30VDC
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.
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
* add suffix -R for tape&reel packing e.g.
Description
Selection Guide
Standard Application Circuit
Features
Rev.3
Range (1)
4.75 – 30
4.75 – 34
4.75 – 34
4.75 – 34
6.5 – 34
8.0 – 34
11 – 34
15 – 34
18 – 34
Input
(V)
●
●
●
●
●
●
●
●
●
Voltage
Output
R-78A5.0-0.5-R
1.5
1.8
2.5
3.3
5.0
6.5
9.0
(V)
12
15
3.3~11.0
4.5~12.6
4.5~12.6
1.5~3.3
1.5~4.5
1.8~5.5
2.5~8.0
Adjust
Range
fixed
fixed
(V)
. For more details see Application Notes.
Current
Output
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
(A)
Min. Vin Max. Vin
(%)
73
82
87
91
94
95
96
97
97
Efficiency
(%)
63
71
77
81
86
88
92
94
95
INNOLINE
R-78Axx-
0.5SMD
Series
0.5 AMP
SMD
Single Output
EN-55022 Certified
EN-55024 Certified
EN-60601-1-2 Certified
EN-60950-1 Certified
Derating-Graph
99
Related parts for R-78A3.3-0.5SMD
R-78A3.3-0.5SMD Summary of contents
... Part Input Output Number Range (1) Voltage SMD (V) (V) R-78A1.5-0.5SMD 4.75 – 30 1.5 R-78A1.8-0.5SMD 4.75 – 34 1.8 R-78A2.5-0.5SMD 4.75 – 34 2.5 R-78A3.3-0.5SMD 4.75 – 34 3.3 R-78A5.0-0.5SMD 6.5 – 34 5.0 R-78A6.5-0.5SMD 8.0 – 34 6.5 R-78A9.0-0.5SMD 11 – 34 9.0 R-78A12-0.5SMD 15 – R-78A15-0.5SMD 18 – Note 1:1.5V Output can be unstable with Vin>30VDC R-78A5.0-0.5-R * add suffix -R for tape& ...
... IMPORTANT INFORMATION: The R-78Ax.x-x.xSMD series are not suitable to be soldered using vapour phase soldering, they are only guaranteed to be safe convection reflow ovens and by hand soldering. Reflow conditions should not exceed the limits of the Jedec STD-020C profile. This restriction applies to the product series R-78Ax ...
... INNOLINE Table 1: Adjustment Resistor Values 0.5Adc R-78A1.8 R-78A2.5 -0.5SMD -0.5SMD Vout (nom.) 1.8Vdc 2.5Vdc Vout (adj 1.5 (V) 3KΩ 200Ω 1.8 (V) 12KΩ 2.5 (V) 11.8KΩ 3.0 (V) 4.64KΩ 44.2KΩ 88.4KΩ 3.3 (V) 3.6 (V) 3.9 (V) 4.5 (V) 4.9 (V) 5.0 (V) 5.1 (V) 5 ...
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