3ACM_S3 Series
3W- Single Output AC-DC Converter - Universal Input - Isolated & Regulated
AC-DC Converter
3 Watt
Ultra wide input voltage:
85~264VAC/70~400VDC
Over current protection
Short circuit protection (SCP)
High efficiency, high power
density
Industrial grade
The 3ACM_S3 series is a high efficiency green power modules provided by
GAPTEC. The features of this series are: Accept either AC or DC
input, wide input voltage, high efficiency, low power consumption, safety
isolation etc. All models are particularly suitable for the applications such
as industrial, electric power, instrumentation, smart home which do not
have high requirement on EMC. EMC application circuit must be added if
the products need to be applied to EMC harsh environment.
Open frame, ultra small size
Flexible design of peripheral
circuit reduces layout
problems
Meets IEC60950/EN60950/
UL60950
Low power consumption,
green power
UL-60950-1 (E347551)
Common specifications
Short circuit protection:
Temperature rise at full load:
Cooling:
Output specifications
Continuous, automatic recovery
25°C TYP
Item
Test condition
Min Typ
Max
Units
Output voltage
accuracy*
• 3.3V output
• Others
8
5
%
%
Free air convection
-40°C to +85°C
Line regulation
Load regulation
Temperature drift
Ripple & Noise*
Full load
1.5
%
Operation temperature range:
Storage temperature range:
Lead temperature
5% to 100% load
100% full load
2.5
%
-40°C to +105°C
0.15
%/°C
300°C MAX, 1.5mm from case for 10 sec
< 85%
20MHz Bandwidth
(peak-peak value)
• 3.3V, 5V
Storage humidity range:
Power derating:
70
50
150
150
mV
mV
-40°C ~ -20°C: 2%/°C MIN
70°C ~ 85°C: 2.67%/°C MIN
• Others
Stand-by Power
0.5
W
Safety standard:
Safety-regulated certification:
Safety class:
IEC60950/EN60950/UL60950
Over-current
Protection
≥110% Io self-recovery
IEC60950/EN60950/UL60950 (pending)
Class II
Min. load
10
%
Hot plug:
Unavailable
Plastic [UL94-V0]
>300,000 hours
6g
Switching
frequency
Full load, nominal input
60
KHz
Case material:
MTBF (MIL-HDBK-217F@25°C):
Weight:
*
When 3ACM_03S3 and 3ACM_05S3 working in -20°C ~-40°C and
55°C ~ 85°C temperature range output filter capacitor C2 needs 270μF/16V
solid-state capacitor.
** Test ripple and noise by “parallel cable” method. See application notes for
Input specifications
Example:
3ACM_05S3
Item
Test condition
Min
Typ
Max
Units
3 = 3Watt; AC = AC-DC; M = case style; 05 = 5Vout; S = single
output; 3 = 3000 VAC isolation
Input voltage range • AC Input
• DC Input
85
70
264
430
VAC
VDC
Input frequency
47
440
Hz
Input current
• 115VAC
• 277VAC
0.12
0.06
A
A
Inrush current
• 115VAC
• 277VAC
13
23
A
A
Note:
1. External electrolytic capacitors are required to modules, more details refer to
typical applications;
2. This part is open frame, at least 6.4mm safety distance between the the primary
and secondary external components of the module is needed to meet the
safety requirement;
3. All specifications were measured at Ta = 25°C, humidity <75%, nominal input
voltage (115VAC or 230VAC)and rated output load unless otherwise specified;
4. In order to increase the conversion efficiency of the product with light load in
the design, the product will have audio noise when it is operating, but don’t
affect the product‘s reliability and performance;
Isolation specifications
Item
Test condition
Min
Typ
Max
Units
VAC
Isolation voltage
Input-Output, tested
for 1 minute
3000
5. Module required dispensing fixed after assembled;
6. Recommends placing the insulation sheet between the bottom of the curve
legs Module and the PCB board,recommended materials for the FR700, thick-
ness is more than 0.4mm.
7. All index testing methods in this datasheet are based on our Company’s
corporate standards;
8. We can provide product customization service;
9. Specifications of this product are subject to changes without prior notice.
Page 1 of 5
3ACM_S3 – Rev. 2017-1.2
Specifications subject to change without notice.
GAPTEC-Electronic GmbH & Co. KG
sales@gaptec-electronic.com – www.gaptec-electronic.com
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