3DAW_S & 3DAW_D Series
3W - Dual/Single Output - Wide Input - Isolated & Regulated
DC-DC Converter
DC-DC Converter
3 Watt
2:1 wide input voltage range
Operating temperature:
-40°C ~ +85°C
Short circuit protection (SCP)
(automatic recovery)
1500VDC isolation
Efficiency up to 86%
Industry standard pinout
MTBF >1,000,000 hours
RoHS Compliance
The 3DAW series are specially designed for applications where a wide
range input voltage power supplies are isolated from the input power
supply in a distributed power supply system on a circuit board.
Meet CISPR22/EN55022,
CLASS A
These products apply to:
1) Where the voltage of the input power supply is wide range
(voltage range ≤2:1)
EN60950 Approval
2) Where isolation is necessary between input and output
(isolation voltage ≤1500VDC)
3) Where the regulation of the output voltage and the output ripple
noise are demanded
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
5%-100% load
Min Typ
1
Max
3
Units
%
Output voltage
accuracy
Free air convection
-40°C~+85°C
No-load output
voltage accuracy
Input voltage range
1.5
5
%
%
%
Operation temperature range:
Storage temperature range:
Lead temperature range:
Storage humidity range:
Case material:
-55°C ~+125°C
Balance of output
Voltage
Dual output, balanced
load
0.5
0.2
1
300°C MAX, 1.5mm from case for 10 sec
< 95%
Line regulation
Full load, input volta-
ge from low to high
0.5
Aluminium alloy
>1,000,000 hours
14g
Load regulation
5%-100% load
0.2
0.5
0.5
2
%
MTBF (MIL-HDBK-217F@25°C):
Weight:
Transient Recovery
time
25% load step change
ms
Transient Response 25% load step change
Deviation
2
5
%
Input specifications
Temperature
coefficient
Full load
0.02
0.03
80
%/°C
Item
Test condition
Min
Typ
Max
Units
Input current
(Full load/no load)
• 5V input
• 12V input
• 24V input
• 48V input
811/40
834/45
mA
mA
mA
mA
Ripple & Noise*
20MHz Bandwidth
50
mVp-p
KHz
309/30 317/35
155/15
77/5
158/20
79/10
Switching fre-
quency
(PFM mode)
100% load, nominal
input range
200
Reflected ripple
current
• 5V input
• 12V input
• 24V input
• 48V input
20
30
30
30
mA
mA
mA
mA
*
Test ripple and noise by “parallel cable” method. See detailed operation
Example:
Input impulse
voltage
(1sec. max.)
• 5V input
• 12V input
• 24V input
• 48V input
-0.7
-0.7
-0.7
-0.7
12
VDC
VDC
VDC
VDC
3DAW_0512D1.5
25
3 = 3Watt; D = DIP; A = series; W = wide input (2:1) 4,5-9Vin; 05 =
Vin; 12 = 12Vout; D = Dual Output; 1.5 =1500VDC isolation
50
100
Starting voltage
• 5V input
• 12V input
• 24V input
• 48V input
4.5
9
18
36
VDC
VDC
VDC
VDC
Note:
1. The load shouldn‘t be less than 10%, otherwise ripple will increase
dramatically.
2. Operation under 10% load will not damage the converter; However, they may
not meet all specifications listed.
Input filter
Hot plug
Pi filter
Unavailable
3. All specifications measured at Ta = 25°C, humidity <75%, nominal input
voltage and rated output load unless otherwise specified.
4. In this datasheet, all the test methods of indications are based on corporate
standards.
5. Only typical models listed, other models may be different, please contact our
technical person for more details.
Isolation specifications
Item
Test condition
Min
Typ
120
Max
Units
VDC
Isolation voltage
Tested for 1 minute
and 1mA max
1500
Isolation resistance
Test at 500VDC
1000
MΩ
pF
Isolation capacitance Input/Output,
100KHz/1V
Page 1 of 5
3DAW_S & 3DAW_D – Rev. 2020-1.5
Specifications subject to change without notice.
GAPTEC-Electronic GmbH & Co. KG
sales@gaptec-electronic.com – www.gaptec-electronic.com
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