20DAW4_1.5 Series
20W - Single Output - Wide Input - Isolated & Regulated
DC-DC Converter
DC-DC Converter
20 Watt
Efficiency up to 90%
Operating temperature range:
The 20DAW4 series offers 20W of output, with 4:1 ultra wide input
voltage of 9-36VDC, 18-75VDC, and features 1500VDC isolation,
over current, over voltage and short-circuit protection, as well as six
sided metal shielding.
4:1 wide input voltage range
Short circuit protection (SCP)
Output over voltage protection
Output over current protection
Industry standard pinout
1.5kVDC isolation
-40°C ~ +85°C
Six-sided metal shield
Meet UL60950 and EN60950
Meet CISPR22/EN55022
CLASS A
PCB mounting, chassis moun-
ting, DIN-rail mounting
All models are applied to wide voltage range input situation such as
data transmission device, battery power supply device, telecommuni-
cation device ,distributed power supply system, remote control
system, industrial robot system
UL-60950-1 (E347551)
Common specifications
Input specifications
Short circuit protection:
Hiccup, continuous, automatic
recovery
Item
Test condition
Min
Typ
Max
Units
Input current
(full load/no load)
• 24VDC input
- 3.3V/5V output
- others
• 48VDC input
- 3.3V/5V output
- others
Cooling:
Free air convection
-40°C~+85°C
969/60 993/45
947/15
mA
mA
969/10
Operation temperature range:
Storage temperature range:
Lead temperature:
Storage humidity range:
Switching frequency (PWM mode):
Vibration:
485/35
473/10
496/50 mA
485/20 mA
-55°C~+125°C
300°C MAX, 1.5mm from case for 10 sec
5% MIN, 95% MAX
Reflected ripple current
30
10
mA
Input impulse voltage
(1 sec. max)
• 24VDC input
• 48VDC input
-0.7
-0.7
50
100
VDC
VDC
300kHz TYP
10-55Hz, 10G, 30 Min. along X, Y and Z
Aluminium alloy
Input filter
Pi
Case material:
Starting time
Nominal input
& constant resis-
tance load
ms
MTBF (MIL-HDBK-217F@25°C):
Weight:
1000 K hours MIN
Horizontal: 28g (36g with heatsink)
Chassis: 50g (70g with heatsink)
DIN-rail: 70g (78g with heatsink)
Ctrl(1)
• Module switch:
ON
Ctrl suspended or connected to
TTL high level (2.5-12VDC)
Ctrl pin connected to GND or low
level (0-1.2VDC)
• Module switch:
OFF
Dimension:
Horizontal: 50.8*25.4*11.8mm
(50.8*25.4*16.3mm with heatsink)
Chassis: 76*31.5*21.2 mm
(76*31.5*25.1 mm with heatsink)
DIN-rail: 76*31.5*25.8 mm
(76*31.5*29.7 mm with heatsink)
• Input current
(Models OFF)
1
mA
Hot plug
Unavailable
1. The CTRL control pin voltage is relative to input pin GND.
Isolation specifications
Example:
20DAW4_2415S1.5
Item
Test condition
Min
Typ
Max Units
VDC
20 = 20Watt; D = DIP; A = series; W4 = wide input (4:1) 18-36Vin;
15Vout; S = Single output; 1.5 = 1500VDC isolation
Isolation voltage
Tested for 1 minute
and leakage current
less than 1 mA
1500
Isolation resistance
Test at 500VDC
1000
MΩ
Note:
1. Recommend to use module with more than 5% load, if not, the ripple of the
product may exceeds the specification, but does not affect the reliability of the
product;
3. The recommended unbalance degree of the dual output module load is ≤ 5%;
if the degree exceeds 5%, than the product performance cannot be gua-
ranteed to comply with all parameters in the datasheet. Please contact our
technicians directly for specific information;
4. The maximum capacitive load offered were tested at nominal input voltage and
full load;
Isolation capacitance
100KHz/0.1V
• 24VDC output
• others
2000
1000
pF
pF
5. Unless otherwise specified, parameters in this datasheet were measured under
the conditions of Ta = 25°C, humidity <75% with nominal input voltage and
rated output load;
6. All index testing methods in this datasheet are based on our Company’s corpo-
rate standards;
7. The performance parameters of the product models listed in this manual are
as above, but some parameters of non-standard model products may exceed
the requirements mentioned above. Please contact our technicians directly for
specific information;
8. We can provide product customization service;
9. Specifications are subject to change without prior notice.
Page 1 of 8
20DAW4_1.5 – Rev. 2020-1.9
Specifications subject to change without notice.
GAPTEC-Electronic GmbH & Co. KG
sales@gaptec-electronic.com – www.gaptec-electronic.com
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