3 Watt
Single
Output
●30mW max of No Load Power Consumption
●High efficiency up to 80%
●Isolated Output 3kVAC / 1 min
●Short Circuit Protection
●Overvoltage Protection
●Meets EN55022 and FCC Class B
●Built-In Fusible Resistor
Features
Regulated
Converters
Selection Guide
Part Output Max. Total Ripple & Max.
Number Voltage Current Regulation (3) Noise (4) Efficiency Capacitive
(VDC) (lo, max) (Typ.) Load (1+2)
RAC03-3.3SC/277 3.3 900mA ±6% 200mV 71% 47000µF
RAC03-05SC/277 5 600mA ±6% 150mV 76% 15000µF
RAC03-12SC/277 12 250mA ±6% 150mV 78% 2200µF
RAC03-24SC/277 24 125mA ±6% 150mV 80% 390µF
Input Voltage Range (with Derating) 80-305VAC or 110-430VDC
Input Frequency 47-440Hz
Input Current (full Load) 115VAC/230VAC 70mA / 45mA typ.
Inrush Current 115VAC/230VAC 15A/30A max.
No Load Power Consumption 80-305VAC / 47-440Hz 30mW max.
Output Voltage (Vout nom.) 3.3V-24V
Output Voltage Tolerance ±6% max.
Minimum Load 2%
Line Voltage Regulation LL-HL at full Load ±1% typ. / ±1.5% max.
Load Voltage Regulation 2-100% Load see Selection Guide
Hold-up Time 115VAC 15ms typ.
230VAC 80ms typ.
Overcurrent Limit 116% - 156%
Switching Frequency at full Load 45kHz typ.
Isolation Voltage Input-Output 3kVAC / 1 minute
Leakage Current 80-305VAC / 47-440Hz 10uA max.
Isolation Resistance 1G Ωmin
Short Circuit Protection Continuous, Auto Restart
Over-Voltage Protection Zener clamp, set at 4.4V-5.0V for 3.3V and others
112-140% of its nominal output voltage
Over Voltage Category OVC II
Operating Temperature (5) natural convection, without derating -25°C to +75°C
natural air convection, with derating -25°C to +85°C
Storage Temperature -40°C to +85°C
Case Material UL94V-0 black plastic
Potting Material Silicon
Relative Humidity 95% RH max.
Package Weight 28g
Package Quantity 12 pcs
MTBF TA = 25°C > 1000x10³ hours
(using MIL-HDBK217F)
TA = 75°C > 100x10³ hours
Physical Dimension (LxWxH) 38.25 x 24.35 x 17.40 mm
EMI EN55022, Class B
Noise Immunity Report: T120816N04-E EN55024
Safety Standard
EC/EN General Safety Report: SPCLVD1208051 IEC/EN-60950-1
UL General Safety Report: E224736-A17-UL UL-60950-1
continued on next page
Specifications (measured at TA 25°C, full load after warm-up)
POWERLINE
AC/DC-Converter
with 3 year Warranty
EN-60950-1 Certified
UL-60950-1 Certified
RAC03-SC/277
100
60
40
20
0
80
Ambient Temperature Range (°C)
-25 200 40 60 80 100
Output Power (%)
120
Safe Operating Area
70
75 85
50
E224736
RoHS
2011/65/EU
6/6
Refer to Application Notes
Derating-Graph
(Ambient Temperature)
PA-8 www.recom-power.comREV: 0/2015
NOT RECOMMENDED
FOR
NEW DESIGNS
RAC03-xxSC/277
Series
POWERLINE
AC/DC-Converter
Package Style and Pinning
RAC03-SC/277
Notes:
Note1: Measured @ 230VAC / 50Hz / Ta=25°C with constant resistant mode at full load.
Note2: If used @ 115VAC / 60Hz with full load, max. capacitive load is less, please contact RECOM for detailed information.
Note3: „Total Regulation“ is the output voltage tolerance which includes initial voltage precise, thermal drift, line regulation and load regulation at rated input
voltage and load condition.
Note4: . „Ripple & Noise“ is maximum peak-to-peak voltage value measured at output within 20MHz bandwidth at rated line voltage and output load ranges, and
with a 47 µF low-ESR electrolytic capacitor in parallel with a 0.1 µF ceramic capacitor across the output.
Note5: Start up only is guaranteed at temperatures down to -25°C. Other specifications may not be met.
Specifications (measured at TA 25°C, full load after warm-up)
Pin Connections
Pin # Single Out
1 VAC in (L)
3 VAC in (N)
13 NC
14 -VDC out
16 +VDC out
Tolerance ±0.5mm unless otherwise
specified
100%
0%
Overcurrent
Limit
40%
Vnom
Vo
Load (%)
Output V-I Characteristic
38.25
6.10
5
24.35
1
1313
1416 13 13
1416
Top View
Recommendend Footprint Details
Bottom View
2.54
2.54
1.20 +0.2/-0.1
0.75+0.25
-
17.4+0.25
-
17.78
5.085.08 20.32
105
80
Input Voltage (VAC) Ta=25°C
80 180
Load (%)
130 230 280
80V, 95%
85V, 100%
305V, 100%
Input Voltage Derating Graph
Safe Operating Area
The product information and specifications are subject to change without prior notice. RECOM products are not authorized for use in safety-critical applications (such as life support) without RECOM’s explicit
written consent. A safety-critical application is defined as an application where a failure of a RECOM product may reasonably be expected to endanger or cause loss of life, inflict bodily harm or damage property. The buyer
shall indemnify and hold harmless RECOM, its affiliated companies and its representatives against any damage claims in connection with the unauthorized use of RECOM products in such safety-critical applications.
www.recom-power.com PA-9REV: 0/2015
