DL03S/D Series
3W DC/DC CONVERTER, DIP-Package, 4:1 Wide Input Range
DS_DL03S/D_07182012 E-mail: DCDC@delta.com.tw
http://www.delta.com.tw/dcdc
P1
FEATURES
Efficiency up to 84%
DIP Package with Industry Standard Pinout
Ultra-wide 4:1 Input Range
Isolation Volage 1500VDC
Operating Temperature Range –40°C to +85°C
Complies with EN55022 Class A
Short Circuit Protection
CSA 60950-1 Safety Approval
3 Years Product Warranty
The DL03S/D series are miniature, DIP Package, isolated 3W DC/DC converters with 1,500VDC isolation. The DL03S/D series
feature fully regulated output and ultra wide 4:1 input voltage ranges. It offers short circuit protection and allows a wide operating
temperature range of –40°C to +85°C. These isolated DC/DC converters are the latest offering from a world leader in power systems
technology and manufacturing ― Delta Electronics, Inc. With creative design technology and optimization of component placement,
these converters possess outstanding electrical and thermal performance, as well as extremely high reliability under highly stressful
operating conditions.
Model List
Output
Current
Input Current Efficiency
(typ.)
Input
Voltage
(Range)
Output
Voltage
Max. Min. @Max. Load @No Load
Reflected
Ripple
Current
Max. capacitive
Load
@Max. Load
Model
Number
VDC VDC mA mA mA(typ.) mA(typ.) mA(typ.) µF %
DL03S2403A 3.3 750 93 138 680 75
DL03S2405A 5 600 75 158 470 79
DL03S2412A 12 250 32 154 330 81
DL03S2415A 15 200 25 152 220 82
DL03D2412A ±12 ±125 ±16 156 150* 80
DL03D2415A
24
(9 ~ 36)
±15 ±100 ±13 156
20 15
100* 80
DL03S4803A 3.3 750 93 68 680 76
DL03S4805A 5 600 75 78 470 80
DL03S4812A 12 250 32 75 330 83
DL03S4815A 15 200 25 74 220 84
DL03D4812A ±12 ±125 ±16 76 150* 82
DL03D4815A
48
(18 ~ 75)
±15 ±100 ±13 76
10 10
100* 82
* For each output
Input Cha rac teri stic s
Parameter Model Min. Typ. Max. Unit
24V Input Models -0.7 --- 50
Input Surge Voltage (1 sec. max.) 48V Input Models -0.7 --- 100
24V Input Models 6 7.5 9
Start-Up Threshold Voltage 48V Input Models 12 15 18
24V Input Models --- --- 8.5
Under Voltage Shutdown 48V Input Models --- --- 16
VDC
Reverse Polarity Input Current --- --- 0.5 A
Short Circuit Input Power --- --- 2000 mW
Internal Power Dissipation --- --- 2500 mW
Conducted EMI
All Models
Compliance to EN 55022,class A and FCC part 15,class A
DS_DL03S/D_07182012 E-mail: DCDC@delta.com.tw
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Output Characteristics
Parameter Conditions Min. Typ. Max. Unit
Output Voltage Setting Accuracy At 50% Load and Nominal Vin --- --- ±2.0 %Vom.
Output Voltage Balance Dual Output, Balanced Loads --- ±0.5 ±3.0 %
Line Regulation Vin=Min. to Max. --- ±0.2 ±1.0 %
Load Regulation Io=Min. to Max. --- ±0.3 ±1.0 %
Ripple & Noise (20MHz) --- 40 75 mV P-P
Transient Recovery Time --- 150 500 µsec
Transient Response Deviation 25% Load Step Change --- ±3 --- %
Temperature Coefficient --- ±0.01 ±0.02 %/℃
Over Load Protection Foldback 110 300 --- %
Short Circuit Protection Continuous
General Characteristic s
Parameter Conditions Min. Typ. Max. Unit
I/O Isolation Voltage (rated) 60 Seconds 1500 --- --- VDC
I/O Isolation Resistance 500 VDC 1000 --- --- MΩ
I/O Isolation Capacitance 100KHz, 1V --- 380 500 pF
Switching Frequency --- 350 --- KHz
MTBF (calculated) MIL-HDBK-217F@25℃, Ground Benign 1,000,000 --- --- Hours
Safety Approvals UL/cUL 60950-1 recognition(CSA certificate), IEC/EN 60950-1
Recommended Iput Fuse
24V Input Models 48V Input Models
1000mA Slow-Blow Type 500mA Slow-Blow Type
Environmental Characteristics
Parameter Conditions Min. Max. Unit
Operating Ambient Temperature Range (See Power Derating
Curve) Natural Convection -40 +85 ℃
Case Temperature --- +90 ℃
Storage Temperature Range -50 +125 ℃
Humidity (non condensing) --- 95 % rel. H
Cooling Free-Air convection
Lead Temperature (1.5mm from case for 10Sec.) --- 260 ℃
Power Dera ti ng Curve
~
Ambient Temperature
0
20
40
60
80
100
-40 0 20 60 100 110
8040
400LFM
200LFM
100LFM
Natural
convection
C
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Notes
1 Specifications typical at Ta=+25℃, resistive load, nominal input voltage and rated output current unless otherwise noted.
2 Transient recovery time is measured to within 1% error band for a step change in output load of 75% to 100%
3 Ripple & Noise measurement bandwidth is 0-20MHz.
4 These power converters require a minimum output loading to maintain specified regulation, operation under no-load conditions will not
damage these modules; however they may not meet all specifications listed.
5 All DC/DC converters should be externally fused at the front end for protection.
6 That “natural convection” is about 20LFM but is not equal to still air (0 LFM).
7 Specifications subject to change without notice.
Package Specifications
Mechanical Dimensions Pin Connections
Pin Single Output Dual Output
2 -Vin -Vin
3 -Vin -Vin
9 No Pin Common
11 NC -Vout
14 +Vout +Vout
16 -Vout Common
22 +Vin +Vin
23 +Vin +Vin
NC: No Connection
►All dimensions in mm (inches)
►Tolerance: X.X±0.25 (X.XX±0.01)
X.XX±0.13 ( X.XXX±0.005)
►Pin diameter ⇔ 0.5 ±0.05 (0.02±0.002)
Physical Outline
Case Size : 31.8x20.3x10.2mm (1.25x0.80x0.40 inches)
Case Material : Non-Conductive Black Plastic (flammability to UL 94V-0 rated)
Pin Material : phosphor bronze
Weight : 12.2g
Bottom View
2
23
15.24 [0.60]
31.8[1.25]
5.08
[0.20]
22
311
9
16 14
4.5
[0.18]
2.54
[0.10]
10.2
[0.40]
4.5
[0.18]
15.22 [0.60]
20.3 [0.80]
2.54
[0.10]
0.50 [0.02]
DS_DL03S/D_07182012 E-mail: DCDC@delta.com.tw
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Part Numbering System
D L 03 S 24 05 A
Form factor Family seri es Watt Number of
Outputs Input Voltage Output Voltage Option Code
D-DIP A~Z 01:1W S - Single 03:3.3V 03:3.3V A - Std. Functions
P-SIP 02:2W D- Dual 05: 5V 05: 5V
S-SMD 03:3W 12:12V 12:12V
04:4W 24: 24V 15: 15V
06:6W 48:48V 24: 24V
WARRANTY
Delta offers a three(3) years limited warranty. Complete warranty information is listed on our web site or is available upon request from Delta.
Information furnished by Delta is believed to be accurate and reliable. However, no responsibility is assumed by Delta for its use, nor for any
infringements of patents or other rights of third parties, which may result from its use. No license is granted by implication or otherwise under
any patent or patent rights of Delta. Delta reserves the right to revise these specifications at any time, without notice.
