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40 Watt, SFP40 DC-DC Series, Single and Triple Output

40W SFP
Floating or Common Auxilaries
Shielded, non-encapsulated construction.

FEATURES

The SFP40 series of DC-DC converters have been designed as an Industry Standard Footprint solution for a wide range of applications where light weight and ease of assembly are needed. Utilizing the latest thermal transfer techniques the SFP40 series packs up to 40 watts of power in 1.60" x 2.0" x .375" shielded, non-encapsulated construction and operating temperatures of -40C to +105C. All models are designed to meet UL1950, CSA950 and EN 60950.

MODEL SELECTION GUIDE
MODEL NUMBER NOTE**INPUT VOLTAGELin@Vin NOMOUTPUT V1,V2/V3OUTPUT CURRENT/FLPO/WOUTPUT OVPTYPICAL EFFICIENCY
NOM RANGE FLNL
SFP40-12S3V3 12Vdc9-18Vdc2.0837mA3.306.0A203.9V80%
SFP40-12S05 12Vdc9-18Vdc3.0127mA5.006.0A306.8V83%
SFP40-12S12 12Vdc9-18Vdc2.9417mA12.002.5A3015V85%
SFP40-12S15 12Vdc9-18Vdc2.9077mA15.002.0A3018V86%
SFP40-12T3D12 12Vdc9-18Vdc2.5417mA3.3 & +/-12.004.8 & +/-.33A253.9Vo182%
SFP40-12T3D15 12Vdc9-18Vdc2.5107mA3.3 & +/-15.004.8 & +/-.26A253.9Vo183%
SFP40-12T3D24 12Vdc9-18Vdc2.5107mA3.3 & +/-24.004.8 & +/-.17A253.9Vo183%
SFP40-12T5D12 12Vdc9-18Vdc2.9767mA5.0 & +/-12.004.8 & +/-.33A306.8Vo184%
SFP40-12T5D15 12Vdc9-18Vdc2.8747mA5.0 & +/-15.004.8 & +/-.26A306.8Vo187%
SFP40-12T5D24 12Vdc9-18Vdc2.8747mA5.0 & +/-24.004.8 & +/-.17A306.8Vo187%
SFP40-24S3V3 24Vdc18-36Vdc1.3587mA3.30826.43.9V81%
SFP40-24S05 24Vdc18-36Vdc1.9847mA5.008.0A406.8V84%
SFP40-24S12 24Vdc18-36Vdc1.9387mA12.003.33A4015V86%
SFP40-24S15 24Vdc18-36Vdc1.8947mA15.002.66A4018V88%
SFP40-24T3D12 24Vdc18-36Vdc1.5067mA3.3 & +/-12.006.0 & +/-.75303.9/Vo183%
SFP40-24T3D15 24Vdc18-36Vdc1.4887mA3.3 & +/-15.006.0 & +/-.75303.9/Vo184%
SFP40-24T3D24 24Vdc18-36Vdc1.4887mA3.3 & +/-24.006.0 & +/-.375303.9/Vo184%
SFP40-24T5D12 24Vdc18-36Vdc1.9617mA5.0 & +/-12.006.0 & +/-.75406.8/Vo185%
SFP40-24T5D15 24Vdc18-36Vdc1.8947mA5.0 & +/-15.006.0 & +/-.75406.8/Vo188%
SFP40-24T5D24 24Vdc18-36Vdc1.8947mA5.0 & +/-24.006.0 & +/-.375406.8/Vo188%
SFP40-48S3v3 48Vdc36-75Vdc0.6717mA3.30826.43.9/Vo182%
SFP40-48S05 48Vdc36-75Vdc0.9807mA5.008.0A406.8/Vo185%
SFP40-48S12 48Vdc36-75Vdc0.9587mA12.003.33A4015V87%
SFP40-48S15 48Vdc36-75Vdc0.9367mA15.002.66A4018V89%
SFP40-48T3D12 48Vdc36-75Vdc0.7447mA3.3 & +/-12.006.0 & +/-.75A303.9Vo184%
SFP40-48T3D15 48Vdc36-75Vdc0.7187mA3.3 & +/-15.006.0 & +/-.75A303.9Vo187%
SFP40-48T3D24 48Vdc36-75Vdc0.7187mA3.3 & +/-24.006.0 & +/-.375A303.9Vo187%
SFP40-48T5D12 48Vdc36-75Vdc0.9587mA5.0 & +/-12.006.0 & +/-.75A406.8Vo187%
SFP40-48T5D15 48Vdc36-75Vdc0.9367mA5.0 & +/-15.006.0 & +/-.75A406.8Vo189%
SFP40-48T5D24 48Vdc36-75Vdc0.9367mA5.0 & +/-24.006.0 & +/-.375A406.8Vo189%
Heat sink option: Add suffix HS to Model Number
INPUT
Input Voltage Range2:1
Note/39-18Vdc/12V models, 18-36Vdc/24V models, 36-75Vdc/48V models
Input FilterLC Type
Under Voltage Lockout8.5V/12V models, 16.5V/24V models, 32V/48V models
Remote On:+5V or open, Ref.(-)Vin
Remote Off:0.7V Ref (-)Vin
Conducted NoiseEN55022, level A/Note 5
OUTPUT
Output Power40W continuous Max
Output Voltage/currentSee Model table
Output Setting Accuracy, Singles+-1% typ. +/-1.5% max.
Output Setting Accuracy, Aux.+/-3% typ.,+/-5% max.
Load Variation Singles/FL-NL+/-0.5% Note:4, 6
Load Variation, Aux.FL-50%L+/-4% V1/20%-FL
Load Variation, Aux.FL-20%L+/-10% V1/10%-FL
Line Regulation+/-0.5%/Vo1, +/-2% Aux.
Total Error Band, Singles+/-3%, Line/Load and Temp.
Total Error Band, Auxiliary outputs+/-10%, Io1,2 & 3@20%-FL
Ripple and Noise/20Mhz BW100mV/Vo1, 1% Aux.
Transient Response/FL-1/2L2% deviation, 200uS
Temperature Coefficient+/-.01%c
Short Circuit ProtectionIndefinite, Modulated, Automatic Recovery
GENERAL
EfficiencySee Model Table
Isolation Voltage1500Vdc/1Min
Isolation Resistance100M
Switching Frequency350Khz
MBTF1.0M hrs.MIL-HDBK-217F Ground Benign@25C
ENVIRONMENTAL
Operating Temperature Range-40C to +105C
Operating Temperature Range-40C to +50C@ FL
Storage Temperature Range-55C to +125C
Maximum Junction Temperature110C
Humidity5% to 95% RH, Non-condensing
CoolingNatural Convection
Processing/Note 2230C peak, 20 sec.
MECHANICAL
Size1.60"x 2.00"x 0.375"
Weight24g
Case/MaterialAluminum baseplate with anodized aluminum case.
PIN CONNECTIONS
Pin NumberSingleTriple
1+Vin+Vin
2-Vin-Vin
3No PinNo Pin
4ON/OFFON/OFF
5No Pin+Aux
6+V+V1
7-VCom
8Trim-Aux

NOTES:
  1. O.V.P protection is across Vo1.
  2. Consult factory for recommended reflow profile.
  3. Typical start-up for 12Vin models is 9V. Maximum startup is 9.5V, with full operation down to 9.0V.
  4. Operation is allowed to No-Load on single outputs, however operation below 10% load may cause ripple and noise to exceed spec.
  5. External Capacitor required to meet conducted noise requirement.
  6. Auxiliary output regulation on cross coupling of output channels. A 10% minimum load is required on Vo1 for regulation.
  7. Output currents are maximum for each output however, max power is not to exceed rated power output. Please refer to table.