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APPLICATIONS Wireless Network Telecom/Datacom Industry Control System Measurement Equipment Semiconductor Equipment
FEATURES * 15 WATTS MAXIMUM OUTPUT POWER * SINGLE OUTPUT UP TO 3.5A * SMALL SIZE AND LOW PROFILE1.10 x 0.94 x 0.34 INCH * HIGH EFFICIENCY UP TO 88% * 2:1 WIDE INPUT VOLTAGE RANGE * FIXED SWITCHING FREQUENCY * INPUT TO OUTPUT ISOLATION (BASIC INSULATION) * INDUSTRY STANDARD PIN-OUT FEC15 SERIES COMPATIBLE * SURFACE-MOUNT OR THROUGH-HOLE * COST EFFICIENT OPEN FRAME DESIGN * -40to +85 WIDE OPERATING TEMPERATURE * 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 OPTIONS
Positive logic Remote On/Off, SMD type, Without trim, without On/Off pin
DESCRIPTION
LED15 single output DC/DC converters provide up to 15 watts of output power in an industry standard package and footprint. All models feature a wide input range, 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
OUTPUT SPECIFICATIONS
Output power Voltage accuracy Minimum load Voltage adjustability (Note 6) Line regulation Load regulation Ripple and noise Temperature coefficient Transient response recovery time Over voltage protection (Voltage clamped) Output load protection Short circuit protection Output voltage overshoot 25% load step change Io/t=0.1A/us 3.3V output 5V output 12V output 15V output LL to HL at Full Load
All specifications are typical at nominal input, full load and 25C otherwise noted
INPUT SPECIFICATIONS
15Watts max Input voltage range 1% Input surge voltage 0% 100mS max 10% 0.2% 0.2% See table 0.02%/ 300S 24V nominal input 18-36VDC 48V nominal input 36-75VDC 24V input 50VDC 48V input 100VDC 12uH source impedance Input reflected ripple current 30mAp-p,Typ. (filter with 220F & 33F) Nominal Vin Power up 30mS, max. Start up time Constant resistive RemoteON/OFF 30mS, max. load 17VDC 24V input Start-up voltage 33VDC 48V input 14.5VDC 24V input Shutdown voltage 30.5VDC 48V input Remote ON/OFF (Note 7) Positive logic(Option) DC-DC ON Open or 3V < Vr < 15V DC-DC OFF Short or - 0.7V < Vr < 1.2V Negative logic(Standard) DC-DC ON Short or - 0.7V < Vr < 1.2V DC-DC OFF Open or 3V < Vr < 15V Input current of remote control pin Nominal Vin -0.5mA ~ 1.0mA Remote off state input current Nominal Vin 20mA,Max
No Load to Full Load 20MHz bandwidth 5V,3.3V (Measured with a 1F M/C and a 10F T/C) 15V,12V
3.7VDC-5.4VDC 5.6VDC-7.0VDC 13.5VDC-19.6VDC 16.8VDC-20.5VDC 150%, max.
Hiccup & Automatics recovery
ENVIRONMENTAL SPECIFICATIONS
-40 to +85 (with derating) -55 to +125 MIL-STD-810F MIL-STD-810F 5% to 95% RH Storage temperature range
Operating ambient temperature (Note 3% 8)
GENERAL SPECIFICATIONS
Efficiency Isolation voltage Isolation resistance Isolation capacitance Switching frequency Approvals and standard Dimensions Weight MTBF (Note 1) 5V,3.3V 15V,12V Input to Output 2250Vdc, min. 10M, min. 1000pF, Typ. 270KHz, Typ. 470KHz, Typ.
See table Thermal shock Vibration Relative humidity
EMC CHARACTERISTICS
EMI (Note 9) EN55022 EN61000-4-3 EN61000-4-4 EN61000-4-5 EN61000-4-6 Page 1 of 3 Class A 10 V/m Perf. Criteria A 2KV Perf. Criteria B 1KV Perf. Criteria A 10 Vr.m.s Perf. Criteria A Issued Date2008/05/21
IEC60950-1,UL60950-1,EN60950-1 Radiated immunity 1.10 X 0.94 X 0.34 Inch (27.9 X 23.9 X 8.5 mm) 10.5g(0.36oz) 6 BELLCORE TR-NWT-000332 2.200x10 hrs 6 1.314x10 hrs MIL-HDBK-217F Fast transient (Note 10) Surge (Note 10) Conducted immunity
Model Number
LED15-24S3P3 LED15-24S05 LED15-24S12 LED15-24S15 LED15-48S3P3 LED15-48S05 LED15-48S12 LED15-48S15
Input Range
18 - 36 VDC 18 - 36 VDC 18 - 36 VDC 18 - 36 VDC 36 - 75 VDC 36 - 75 VDC 36 - 75 VDC 36 - 75 VDC
Output Voltage
3.3 VDC 5 VDC 12 VDC 15 VDC 3.3 VDC 5 VDC 12 VDC 15 VDC
Output Current Input Current Output (4) Eff (4) Capacitor(5) (3) (2) (%) Load max Min. load Full Load Ripple & Noise No load Full load
0mA 0mA 0mA 0mA 0mA 0mA 0mA 0mA 3500mA 3000mA 1250mA 1000mA 3500mA 3000mA 1250mA 1000mA 75mVp-p 75mVp-p 100mVp-p 100mVp-p 75mVp-p 75mVp-p 100mVp-p 100mVp-p 20mA 20mA 15mA 15mA 15mA 15mA 10mA 10mA 587mA 753mA 753mA 744mA 297mA 377mA 377mA 372mA 86 87 87 88 85 87 87 88 1000F 1000F 330F 220F 1000F 1000F 330F 220F
Note 1. BELLCORE TR-NWT-000332. Case 1: 50% Stress, Temperature at 40C. MIL-HDBK-217F Notice2 @Ta=25 C, Full load(Ground, Benign, controlled environment) 2. Maximum value at nominal input voltage and full load. 3. Typical value at nominal input voltage and no load. 4. Typical value at nominal input voltage and full load. 5. Test by minimum Vin and constant resistive load. 6. Trimming allows the user to increase or decrease the output voltage set point of the module. This is accomplished by connecting an external resistor between the TRIM pin and either the +VOUT pin or the -VOUT pin. 7. The ON/OFF control pin voltage is reference to -Vin. The order number please see product standard table. 8. The power module operate in a variety of thermal environments; however, sufficient cooling should be provided to help ensure reliable operation. 9. The LED15 meets EN55022 class A and class B only with external components connected before the input pin to the converter. 10. An external input filter capacitor is required if the module has to meet EN61000-4-4, EN61000-4-5. The filter capacitor Power Mate suggest: Nippon chemi-con KY series, 220F/100V, ESR 48m.
1. All dimensions in Inches (mm) Tolerance: X.XX0.02 (X.X0.5) X.XXX0.01 (X.XX0.25) 2. Pin pitch tolerance 0.01(0.25) 3. Pin dimension tolerance 0.004 (0.1)
PRODUCT STANDARD TABLE
EXTERNAL OUTPUT TRIMMING
Output can be externally trimmed by using the method shown below.
TRIM UP TRIM DOWN
PIN CONNECTION
PIN 1 2 3 4 5 6 LED15 SERIES + INPUT - INPUT ON/OFF +VOUT TRIM -VOUT
6
5
RU
5 4
RD
Option Negative remote ON/OFF with DIP(Standard) Negative remote ON/OFF with SMT Positive remote ON/OFF with DIP Positive remote ON/OFF with SMT DIP type without ON/OFF pin SMT type without ON/OFF pin DIP type,negative remote ON/OFF without TRIM pin SMT type,negative remote ON/OFF without TRIM pin DIP type without ON/OFF&TRIM pin SMT type without ON/OFF&TRIM pin DIP type,positive remote ON/OFF without TRIM pin SMT type,positive remote ON/OFF without TRIM pin Page 2 of 3 Issued Date2008/05/21
Suffix -A -B -C -D -E -F -G -H -I -J -K
LED15-48S05 DERATING CURVE
OUTPUT POWER (%)
120 100 80 60 40 20 0 -40 -20 0 20 40 60 80 76 100 120
AMBIENT TEMPERATURE()
Recommended Filter for EN55022 Class B Compliance
LED15-48S05 Efficiency VS Input voltage
90
The components used in the above figure, together with the manufacturers' part numbers for these components, are as follows:
C1 & C2 C3
6.8F/50V 1812 MLCC 2.2F/100V 1812 MLCC
EFFICIENCY(%)
88 86 84 82 80 36 40 44 48 52 56 60 64 68 72
C4 & C5
470pF/3KV 1808 MLCC 470pF/3KV 1808 MLCC
L1
145H Common Choke PMT-051 145H Common Choke PMT-051
L2
10H SMD Inductor PMT-047 18H SMD Inductor PMT-046
LED1524xxx LED1548xxx
6.8F/50V 1812 MLCC 2.2F/100V 1812 MLCC
INPUT VOLTAGE(V)
LED15-48S05 Efficiency VS Output Load
95 90 85 80 75 70 65 60 55 50 45 10 20 30 40 50 60 70 80 90 100
EFFICIENCY(%)
OUTPUT LOAD (% of Full Load)
Recommended EN55022 Class B Filter Circuit Layout
Page 3 of 3
Issued Date2008/05/21

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