2S7A_1.5UP Series
2W - Dual/Single Output DC-DC Converter - Fixed Input - Isolated & Unregulated
DC-DC Converter
2 Watt
The 2S7A_1.5UP series are specially designed for applications where a group of
polar power supplies are isolated from the input power supply in a distributed
power supply system on a circuit board.
High efficiency up to 86%
1.5kVDC Isolation
Miniature SIP package
High power density
Temperature range:
-40°C ~ +105°C
Short circuit protection (SCP)
No external component
required
Industry standard pinout
RoHS Compliance
These products apply to:
1) Where the voltage of the input power supply is stable
(voltage variation: 10ꢀ%in)ꢁ
2) Where isolation between input and output is necessary
(isolation voltage ≤1500%DC)ꢁ
3) Where the output voltage regulation is not strictly required.
Typical application: digit circuit conditionꢁ normal low-frequency artificial circuit
conditionꢁ relay drive circuit and data switching circuit.
UL-60950-1 (E347551)
Common specifications
Output specifications
Short circuit protection*:
Continuous, automatic recovery
2S7A_24xxS1.5UP/2S7A_24xxD1.5UP
2S7A_0524S1.5UP/2S7A_0524D1.5UP
Item
Test condition
Min Typ
Max
Units
Output voltage
accuracy
See tolerance envelope graph
Temperature rise at full load:
Cooling:
25°C TYP
Line regulation
For %in change of 1ꢀ
• 3.3% output
• others
1.5
1.2
ꢀ
ꢀ
Free air convection
-40°C – +105°C
Operation temperature range:
(Power derating above 85°C)
Load regulation
10ꢀ to 100ꢀ load
• 3.3% output
• 5% output
18
12
9
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
Storage temperature range:
Lead temperature
Storage humidity range:
Case material:
-55°C – +125°C
• 9% output
300°C MAX, 1.5mm from case for 10 sec
• 12% ouput
8
< 95ꢀ
• 15% output
• 24% output
7
6
Plastic [UL94-%0]
>3,500,000 hours
2.4g
Temperature drift
Ripple & Noise*
100ꢀ full load
0.03
200
ꢀ/°C
m%p-p
KHz
MTBF:
20MHz Bandwidth
Full load, nominal input
75
Weight:
Switching fre-
quency
100
* Supply voltage must be discontinued at the end of short circuit duration for
2S7A_24xxS1.5UP / 2S7A_24xxD1.5UP series, and 2S7A_0524S1.5UP /
2S7A_0524D1.5UP models.
* Ripple and noise are measured by “parallel cable” method, please see DC-DC
Converter Application Notes for specific operation.
Input specifications
EMC specifications
Item
Test condition
• 5%DC input
Min
Typ
Max
Units
EMI
EMI
EMS
CE
CISPR22/EN55022
CLASS B (External Circuit Refer to EMC recommended
circuit)
Input current
(full load / no load) • 9%DC input
• 12%DC input
506/35
268/25
-/60
-/50
mA
mA
mA
mA
mA
208/20 -/50
RE
CISPR22/EN55022
CLASS B (External Circuit Refer to EMC recommended
circuit)
• 15%DC input
• 24%DC input
167/15
104/10
-/35
-/30
Reflected ripple
current
15
mA
ESD
• 2S7A_S1.5:
• 2S7A_D1.5:
IEC/EN61000-4-2
perf. Criteria B
IEC/EN61000-4-2
perf. Criteria B
Contact 8K%
Contact 6K%
Input surge voltage
(1 sec. max.)
• 5%DC input
• 9%DC input
• 12%DC input
• 15%DC input
• 24%DC input
-0.7
-0.7
-0.7
-0.7
-0.7
9
%DC
%DC
%DC
%DC
%DC
12
18
21
30
Example:
2S7A_0505D1.5UP
2 = 2Watt; S7 = SIP7; A =Pinning; 5Vin; 5Vout; D = Dual Output;
1.5 = 1.5kVDC; U = Unregulated Output; P = Short circuit protection
Input filter
Hot plug
Capacitance filter
Unavailable
Isolation specifications
Item
Test condition
Min
Typ
Max
Units
%DC
Isolation voltage
Input-Output, tested
for 1 minute and
leakage current less
than 1 mA
1500
Isolation resistance
Input/Output, test at
500%DC
1000
MΩ
pF
Isolation
capacitance
Input/Output,
100KHz/0.1%
20
Page 1 of 5
GAPTEC-Electronic GmbH & Co. KG
sales@gaptec-electronic.com – www.gaptec-electronic.com
2S7A_1.5UP – Rev. 2020-1.4
Specifications subject to change without notice.
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