3 Watt SML Dual Series DC/DC Converters
Features
SMT Technology
2:1 Input Range
High Efficiency up to 83%
I/O Isolation 1500VDC
Short Circuit Protected
Selection Chart
Model
12D5.300SML
12D12.125SML
12D15.100SML
24D5.300SML
24D12.125SML
24D15.100SML
48D5.300SML
48D12.125SML
48D15.100SML
Input Range
VDC
Min
9
9
9
18
18
18
36
36
36
Max
18
18
18
36
36
36
75
75
75
VDC
±5
±12
±15
±5
±12
±15
±5
±12
±15
Output
mA
±300
±125
±100
±300
±125
±100
±300
±125
±100
Power
W
3
3
3
3
3
3
3
3
3
A
2401 Stanwell Drive • Concord, California 94520 • Ph: 925/687-4411 or 800/542-3355 • Fax: 925/687-3333 • www.calex.com • Email: sales@calex.com
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3/19/2004, eco# 040727-3, eco# 041007-1, eco #051004-1
3 Watt SML Dual Series DC/DC Converters
Output Parameters
Model
Output Voltage
Output Current (5)
Output Voltage Accuracy
Output Voltage Balance,
Dual Output Balance Load
Load Regulation,
Io=10% to 100%
Line Regulation,
Vin=Min. to Max.
Ripple & Noise (20MHz) (3)
Fundamental Ripple
Transient Recovery Time,
25% Load Step Change
Transient Response
Deviation,
25 % Load Step Change
Temperature Coefficient
Short Circuit
MIN
MAX
TYP
MAX
TYP
MAX
TYP
MAX
TYP
MAX
TYP
MAX
MAX
TYP
MAX
TYP
MAX
TYP
MAX
12D5.300SML
24D5.300SML
48D5.300SML
±5
±30
±300
12D12.125SML
24D12.125SML
48D12.125SML
±12
±12.5
±125
±1.0
±2.5
±0.5
±1.5
±0.3
±1.0
±0.1
±0.3
50
100
15
200
500
±2
±6
±0.01
±0.02
Continuous, Auto Restart
12D15.100SML
24D15.100SML
48D15.100SML
±15
±10
±100
Units
VD C
mA
%
%
%
%
mV P-P
mV P-P
µs
%
%/°C
NOTES
(1) Specifications typical at Ta=+25°C, resistive load, nominal input
voltage, rated output current unless otherwise noted.
(2) Transient recovery time is measured to within 1% error band for
a step change in output load 50% to 75%
(3) When measuring output ripple & noise, an external 0.1µF
ceramic capacitor is recommended to be placed from each
output to common.
(4) Specifications subject to change without notice.
(5) Requires minimum load to regulate. No harm to the unit when
operated at less than minimum load.
(6) Unit will require 10 VDC to start.
(7) External fusing should be used for system protection due to
catastrophic failure. See Calex Application Notes for information
on fusing.
(8) Water Washability - Calex DC/DC converters are designed to
withstand most solder/wash processes. Careful attention should
be used when assessing the applicability in your specific
manufacturing process. Converters are not hermetically sealed.
General Specifications
All Models
Isolation
Isolation Voltage,
60 Seconds
Isolation Resistance,
500 VDC
Isolation Capacitance,
100kHz, 1V
Environmental
Calulated MTBF, Bellcore
Method 1, Case 1
Ambient Operating
Temperature
Case Operating
Temperature
Storage Temperature
MIN
TYP
TYP
MAX
1500
1000
65
100
VDC
Mohms
pF
Units
A
MIN
MAX
MIN
MAX
MIN
MAX
TYP
MAX
>2,000,000
-40
+85
-40
+105
-40
+125
38
95
Free-Air Convection
Hr
°C
°C
°C
°C/watt
%
APPLICATIONS
Start-up: A minimum load is required for the SML to have a
nominal output. The specification indicates a minimum load of
10% of the maximum load, but will usually start with less. The
type of load will also vary the start-up characteristics. Such as
an electronic load or some types of active circuitry (vs. a pure
resisitive load) will require more load for start-up.
Each application should be verified and an additional resistive
load added if needed.
The output may be in a burp mode (output pulsing) with less
than a minimum load, causing the output voltage to vary.
Thermal Impedance
Humidity
Cooling
General
Case Size
Case Material
Weight
1.27 x 0.74 x 0.36 inches
32.3 x 18.8 x 9.1mm
Non-Conductive Black Plastic
8g
2401 Stanwell Drive • Concord, California 94520 • Ph: 925/687-4411 or 800/542-3355 • Fax: 925/687-3333 • www.calex.com • Email: sales@calex.com
3
3/19/2004, eco# 040727-3, eco# 041007-1, eco #051004-1
3 Watt SML Dual Series DC/DC Converters
Mechanical Configuration
0.085 (2.16)
0.10
(2.54)
Top
0.70
(17.8)
Side
1.27
(32.3)
Pin
1, 2
10
3, 11, 14, 22
12
13
15
23, 24
NC: No Connection
Function
-INPUT
CMN
NC
-OUTPUT
+OUTPUT
CMN
+INPUT
0.02
(0.5)
0.58 (14.8)
0.63 (16.1)
0.74 (18.8)
Denotes
Pin 1
0.02 (0.5)
0.36 (9.1)
All dimensions are typical in inches (mm).
Tolerance X.XX = +/- 0.01 (+/- 0.25)
0.15
Typical Application
A
Derating Curve
Connecting Pin Patterns
2401 Stanwell Drive • Concord, California 94520 • Ph: 925/687-4411 or 800/542-3355 • Fax: 925/687-3333 • www.calex.com • Email: sales@calex.com
4
3/19/2004, eco# 040727-3, eco# 041007-1, eco #051004-1