1S7A_DS3UP Series
1W - Dual Separate Output - Fixed Input - Isolated & Unregulated
SIP PACKAGE
DC-DC Converter
1 Watt
7PIN SIP package
Efficiency up to 80%
Temperature range:
-40°C ~ +85°C
No external component
required
3KVDC isolation
The 1S7A_DS3UP Series are miniature, isolated 1W DC/DC-converters
with twin output voltage in a SIP package. They offer the ideal solution
in many space critical applications for board level power
distribution. The internal SMD construction makes it possible to offer a
product with high performance at low cost. The series offers smaller
size, improved efficiency, lower output ripple noise and 3KVDC isolation.
Internal SMD construction
Unregulated output types
Industry standard pinout
RoHS compliance
Dual separate isolated
outputs
Short circuit protection (SCP)
Common specifications
Short circuit protection:
Temperature rise at full load:
Cooling:
Output specifications
continuous, automatic recovery
25°C MAX, 15°C TYP
Free air convection
-40°C – +85°C
Item
Test condition
Min Typ
1.0
Max
5
Units
%
Voltage tolerance
Line regulation
Load regulation
100% full load
For Vin change of 1%
1.2
%
Operation temperature range:
Storage temperature range:
Lead temperature:
Storage humidity range:
Case material:
10% to 100% full load
• 3.3V/5V
• 9V/12V/15V
14
9
%
%
-55°C – +130°C
300°C (1.5mm from case for 10 sec.)
< 95%
Temperature drift
Ripple & Noise
100% full load
0.03 %/°C
20MHz Bandwidth
75
100
mVp-p
KHz
Plastic [UL94-V0]
>3,500,000 hours
2.3g
Switching frequency Full load, nominal
input
110
MTBF:
Weight:
*Test ripple and noise by “parallel cable” method. See detailed operation
instructions at Testing of Power Converter section, application notes.
Input specifications
Model selection:
WCTP**_xxyyN##O
Item
Test condition
Min
Typ
Max
Units
W=Watt; C= Case; T=Type; P=Pinning; **= Voltage Variation (omitted
10%); xx= Vin; yy= Vout; N= Numbers of Output; ##= Isolation
(kVDC); O= output regulation
Voltage range
• 5V input types
• 12V input types
4.5
11
5
12
5.5
13
V
V
Voltage tolerance
Filter
Vo, Io nom
Capacitor
5
%
Example:
1S7A_050503DS3UP
1=1Watt; S7= SIP7; A=Pinning; 5Vin; 5Vout1; 3.3Vout2
DS= Dual Separate Output; 3=3kVDC; U=Unregulated Output;
P= Short circuit protection
Isolation specifications
Item
Test condition
Min
3000
1
Typ
Max
Units
VDC
GΩ
Note:
1. Operation under minimum load will not damage the converter; However, they
may not meet all specification listed, and that will reduce the life of product.
2. All specifications measured at Ta=25°C, humidity<75%, nominal input voltage
and rated output load unless otherwise specified.
Isolation voltage
Isolation resistance
Tested for 1 minute
Test at 1000VDC
3. This series is compatible with RoHS soldering systems with a peak wave solder
temperature of 300°C for 10 seconds. SIP types in this series are backward
compatible with Sn/Pb soldering systems.
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.
Page 1 of 3
1S7A_DS3UP – Rev. 2016-1.0
Specifications subject to change without notice.
GAPTEC-Electronic GmbH & Co. KG
sales@gaptec-electronic.com – www.gaptec-electronic.com
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