FEATURES
• 15 WATTS MAXIMUM OUTPUT POWER
• SINGLE OUTPUT UP TO 4A
• SMALL SIZE AND LOW PROFILE：1.0 x 1.0 x 0.39 INCH
• HIGH EFFICIENCY UP TO 88%
• 4:1 ULTRA WIDE INPUT VOLTAGE RANGE
• SIX-SIDED CONTINUOUS SHIELD
• FIXED SWITCHING FREQUENCY
• INPUT TO OUTPUT ISOLATION
• INDUSTRY STANDARD PIN-OUT FEC15 SERIES COMPATIBLE
• CE MARK MEETS 2006/95/EC, 93/68/EEC AND 2004/108/EC
• UL60950-1, EN60950-1 AND IEC60950-1 LICENSED
• ISO9001 CERTIFIED MANUFACTURING FACILITIES
• COMPLIANT TO RoHS EU DIRECTIVE 2002/95/EC
APPLICATIONS
Wireless Network
Telecom/Datacom
Industry Control System
Measurement Equipment
Semiconductor Equipment
OPTIONS
Positive logic Remote On/Off, Without trim, Without On/Off pin
DESCRIPTION
LCD15W DC/DC converters provide up to 15 watts of output power in an industry
standard package and footprint. These units are specifically designed to meet the
power needs of low profile. All models feature with 4:1 ultra wide input voltage of
9-36 VDC and 18-75VDC, comprehensively protected against over-current, over-
voltage and input under-voltage protection conditions, and trimmable output voltage.
T E C H N I C A L S P E C I F I C AT I O N All specifications are typical at nominal input, full load and 25ºC otherwise noted
OUTPUT SPECIFICATIONS
INPUT SPECIFICATIONS
24V nominal input
48V nominal input
24V input
48V input
9 – 36VDC
18 – 75VDC
50VDC
Output power
15 Watts
± 1%
Input voltage range
Voltage accuracy
Full load and nominal Vin
Input surge voltage
100mS max
100VDC
Minimum load
0%
Input reflected ripple current Nominal Vin and full load
30mAp-p
Voltage adjustability (Note 6)
±10%
Nominal Vin and
constant resistive load Remote ON/OFF
Power up
30ms, max.
30ms, max.
9VDC
± 0.2%
± 0.5%
Single
Dual
Start up time
Line regulation
Load regulation
LL to HL at Full Load
No Load to Full Load
24V input
48V input
24V input
48V input
± 0.2%
± 1.0%
Single
Dual
Start-up voltage
Shutdown voltage
18VDC
8VDC
16VDC
Cross regulation (Dual) Asymmetrical load 25% / 100% FL
± 5%
20MHz bandwidth
Ripple and noise
Remote ON/OFF (Note 7)
Positive logic(Option)
See table
(Measured with a 1μF M/C and a 10μF T/C)
DC-DC ON
DC-DC OFF
Open or 3 V < Vr < 15V
Short or 0V < Vr < 1.2V
Short or 0V < Vr < 1.2V
Open or 3V < Vr < 15V
-0.5mA~1.0mA
±0.02% / ºC, max.
Temperature coefficient
Negative logic(Standard) DC-DC ON
DC-DC OFF
Input current of Remote control pin Nominal Vin
Transient response recovery time 25% load step change
3.3V output
250μS
3.7VDC-5.4VDC
5.6VDC-7.0VDC
13.5VDC-19.6VDC
16.8VDC-20.5VDC
Over voltage protection
5V output
12V output
15V output
Remote off state input current
Nominal Vin
2.5mA
ENVIRONMENTAL SPECIFICATIONS
Operating ambient temperature
Maximum case temperature
Over load protection
% of FL at nominal input
150%, typ.
-40℃ to +85℃ (with derating)
Short circuit protection
Hiccup, automatics recovery
105ºC
GENERAL SPECIFICATIONS
Storage temperature range
-55ºC ~ +125ºC
Efficiency
See table
18.2℃/Watt
Thermal impedance
(Note 8)
Nature convection
Nature convection with heat-sink
15.8℃/Watt
MIL-STD-810F
MIL-STD-810F
5% to 95% RH
Input to Output
Input(Output) to Case
1600VDC, min.
1000VDC, min.
Isolation voltage
Thermal shock
Vibration
9
Isolation resistance
Isolation capacitance
Switching frequency
Approvals and standard
Case material
10 ohms, min.
1000pF, max.
400KHz, typ.
Relative humidity
EMC CHARACTERISTICS
IEC60950-1, UL60950-1, EN60950-1
Nickel-coated copper
EMI (Note 9)
EN55022
Class A
± 8KV
± 6KV
Air
Contact
Base material
FR4 PCB
ESD
EN61000-4-2
EN61000-4-3
Perf. Criteria A
Potting material
Epoxy (UL94-V0)
Radiated immunity
10 V/m
± 2KV
Perf. Criteria A
Perf. Criteria A
Perf. Criteria A
Perf. Criteria A
1.0 X 1.0 X 0.39 Inch
(25.4 X 25.4 X 9.9mm) Fast transient (Note 10) EN61000-4-4
Dimensions
Weight
15g
1.330x106hrs
5.630x105hrs
± 1KV
Surge (Note 10)
EN61000-4-5
EN61000-4-6
BELLCORE TR-NWT-000332
MIL-HDBK-217F
MTBF (Note 1)
Conducted immunity
3 Vr.m.s
Page 1 of 3 Issued Date：2008/05/21
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