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Volant NCA015 Series
Non-Isolated 15A SIP/SMT DC/DC Converters
Features: Small size, minimal footprint - SMT/SIP package 15A Output Current (all voltages) High Efficiency: up to 96% High reliability RoHS Compliant Cost efficient open frame design Output voltage programmable by an external resistor Monotonic Start with Pre-Bias Over-current and Over-temperature protection
Output Vout (V) 1 1.2 1.5 1.8 2 2.5 3.3 Iout (A) 15 15 15 15 15 15 15 PARD (mVp-p) Typ. 28 28 28 28 28 28 28 Max. 50 50 50 50 50 50 50 Regulation Max Line +/-0.2% +/-0.2% +/-0.2% +/-0.2% +/-0.2% +/-0.2% +/-0.2% Load +/-0.4% +/-0.4% +/-0.4% +/-0.4% +/-0.4% +/-0.4% +/-0.4%
Input Vin Nom. (V) 5 5 5 5 5 5 5
Efficiency Range (V) Iin Max (A) 5.81 6.89 8.42 9.89 10.86 11.5 11.45 Full Load Typ. 82% 84% 87% 88% 89% 92% 94%
3 -5.5 3 -5.5 3 -5.5 3 -5.5 3 -5.5 3 -5.5 4.5-5.5
Technical enquiries email: sales@murata-ps.com tel: +508 339 3000 ,
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Volant NCA015 Series Murata Power Solutions Non-Isolated 15A SIP/SMT DC/DC Converters
Input Characteristics Input Voltage Operating Range Input Reflected Ripple Current Inrush Current Transient Input Filter Type (external) Input Turn ON Threshold Input Turn OFF Threshold ON Control OFF Control Output Characteristics Vout Accuracy Output Loading Output Ripple & Noise @ 20Mhz Bandwidth. Maximum Capacitive Load Vout Trim Range (Nom) Total Accuracy Current Limit Output Line Regulation Output Load Regulation Turn-on Overshoot SC Protection Technique Pre-bias Start-up at output Notes & Conditions Min 3.0 Typ. 5 100 100 2.8 2.7 Open or 0 to +0.4V +2.8V to Vin (<3mA) Notes & Conditions 50% load Min -1.5 0 Typ. Max +1.5 15 30 8000 3.3 <3% 23 27 +0.2 +0.5 1 Units % A mV F V A % % % Max 5.5 0.4 Units Vdc mA p-p A2s F V V
Low ESR 0.9 Over line/load temperature 19.5 -0.2 -0.5 Hiccup with auto recovery Unit starts monotonically with prebias Notes & Conditions 50% step, 2.5A/s Settling Time Vin to Vout and On/Off to Vout Vout rise to monotonic Notes & Conditions Calculated (MIL-HDBK-217F) Demonstrated @ 90% Confidence Level Hotspot Without derating 2"Lx0.34"Wx0.5"H (50.8x8.64x12.7mm) 0.03" (0.76mm) Round copper with tin-lead plated over nickel underplate 0.3 ounces (8.5g) UL94V-0 Min 1.4 1 Min Typ.
Dynamic Characteristics Load Transient Frequency Start-Up Time
Max 100 100
Units mV s ms
300khz <20
General Specifications MTBF
Typ.
Max
Units x106 Hrs x106 Hrs C C
Thermal Protection Operating Temperature Dimensions Pin Dimensions Pin Material Weight Flammability Rating
110 -40
120 60
Standards Compliance CSA C22.2, No.60950/UL 60950, Third Edition (2000), File UL E165113
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Thermal Considerations The power module operates in a variety of thermal environments; however, sufficient cooling should be provided to help ensure reliable operation of the unit. The thermal data presented is based on measurements taken at various airflows. Note that airflow is parallel to the long axis of the module as shown in Figure 1 and derating applies accordingly.
Figure 1. Thermal Tests Set-Up. The temperature at either location should not exceed 110oC. The output power of the module should not exceed the rated power for the module(Vo,set X Io,max).
Convection Requirements for Cooling
To predict the approximate cooling needed for the module, refer to the Power Derating Curves in Figures 2-15 . These derating curve are approximations of the ambient temperature and airflow required to keep the power module temperature below it's maximum rating. Once the module is assembled in the actual system, the module's temperature should be verified.
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TYPICAL DERATING CURVES SIP/SMT VERSION
NCA0151330S (5Vi, 3.3Vo) Derating Curve
16 Output Current (A) 14 12 10 8 6 4 2 0 0 10 17 30 40 50 60 70 80 90 Ambient Temperature (C) 0 LFM 100 LFM 200 LFM
Fig. 2. SMT Power Derating vs Output Current for 5Vin 3.3V Out.
NCA0151330B (5Vi, 3.3Vo) Derating Curve
16 Output Current (A) 14 12 10 8 6 4 2 0 0 20 29 40 50 53 60 70 80 90 Ambient Temperature (C) 0 LFM 100 LFM 200 LFM
Fig. 3. SIP Power Derating vs Output Current for 5Vin 3.3V Out.
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NCA0151330S (5Vi, 2.5Vo) Derating Curve
16 Output Current (A) 14 12 10 8 6 4 2 0 0 10 18 30 40 50 60 70 80 90 Ambient Temperature (C) 0 LFM 100 LFM 200 LFM
Fig 4. SMT Power Derating vs Output Current for 5Vin 2.5V Out.
NCA0151330B (5Vi, 2.5Vo) Derating Curve
16 Output Current (A) 14 12 10 8 6 4 2 0 0 10 20 30 40 50 60 70 80 90 Ambient Temperature (C) 0 LFM 100 LFM 200 LFM
Fig 5. SIP Power Derating vs Output Current for 5Vin 2.5V Out.
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NCA0151330S (5Vi, 2.0Vo) Derating Curve
16 Output Current (A) 14 12 10 8 6 4 2 0 0 10 20 30 40 50 60 70 80 90 Ambient Temperature (C) 0 LFM 100 LFM 200 LFM
Fig 6. SMT Power Derating vs Output Current for 5Vin 2.0V Out.
NCA0151330B (5Vi, 2.0Vo) Derating Curve
16 Output Current (A) 14 12 10 8 6 4 2 0 0 10 20 30 40 50 60 70 80 90 Ambient Temperature (C) 0 LFM 100 LFM 200 LFM
Fig 7. SIP Power Derating vs Output Current for 5Vin 2.0V Out.
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NCA0151330S (5Vi, 1.8Vo) Derating Curve
16 Output Current (A) 14 12 10 8 6 4 2 0 0 10 22 30 40 50 60 70 80 90 Ambient Temperature (C)
Fig 8. SMT Power Derating vs Output Current for 5Vin 1.8V Out.
0 LFM 100 LFM 200 LFM
NCA0151330B (5Vi, 1.8Vo) Derating Curve
16 Output Current (A) 14 12 10 8 6 4 2 0 0 20 24 30 40 50 60 70 80 90 Ambient Temperature (C)
Fig 9. SIP Power Derating vs Output Current for 5Vin 1.8V Out.
0 LFM 100 LFM 200 LFM
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NCA0151330S (5Vi, 1.5Vo) Derating Curve
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Output Current (A)
14 12 10 8 6 4 2 0 0 10 25 30 40 50 60 70 80 90 Ambient Temperature (C) 0 LFM 100 LFM 200 LFM
Fig 10. SMT Power Derating vs Output Current for 5Vin 1.5V Out.
NCA0151330B (5Vi, 1.5Vo) Derating Curve
16 Output Current (A) 14 12 10 8 6 4 2 0 0 10 20 30 40 50 60 70 80 90 Ambient Temperature (C) 0 LFM 100 LFM 200 LFM
Fig 11. SIP Power Derating vs Output Current for 5Vin 1.5V Out.
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NCA0151330S (5Vi, 1.2Vo) Derating Curve
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Output Current (A)
14 12 10 8 6 4 2 0 0 10 27 30 40 50 60 70 80 90 Ambient Temperature (C) 0 LFM 100 LFM 200 LFM
Fig 12. SMT Power Derating vs Output Current for 5Vin 1.2V Out.
NCA0151330B (5Vi, 1.2Vo) Derating Curve
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Output Current (A)
14 12 10 8 6 4 2 0 0 10 20 30 40 50 60 70 80 90 Ambient Temperature (C) 0 LFM 100 LFM 200 LFM
Fig 13. SIP Power Derating vs Output Current for 5Vin 1.2V Out.
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Volant NCA015 Series Murata Power Solutions Non-Isolated 15A SIP/SMT DC/DC Converters
NCA0151330S (5Vi, 1.0Vo) Derating Curve
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Output Current (A)
14 12 10 8 6 4 2 0 0 10 28 30 40 50 60 70 80 90 Ambient Temperature (C) 0 LFM 100 LFM 200 LFM
Fig. 14. SMT Power Derating vs Output Current for 5Vin 1.0V Out.
NCA0151330B (5Vi, 1.0Vo) Derating Curve
16 Output Current (A) 14 12 10 8 6 4 2 0 0 10 20 30 40 50 60 70 80 90 Ambient Temperature (C) 0 LFM 100 LFM 200 LFM
Fig 15. SIP Power Derating vs Output Current for 5Vin 1.0V Out.
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TYPICAL EFFICIENCY CURVES FOR VARIOUS VOLTAGE MODELS SIP/SMT VERSION.
NCA0151330S (3.3Vo, 25C) Eff vs Output Load
98.00% 96.00% 94.00% 92.00% 90.00% 88.00% 86.00% 84.00% 82.00% 80.00% 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Output Load (A)
Efficiency (%)
Vin=4.5V Vin=5.0V Vin=5.5V
Fig 16. SMT Efficiency Curves for Vout=3.3V (25C)
NCA0151330B (3.3Vo, 25C) Eff vs Output Load
98.00% 96.00% 94.00% 92.00% 90.00% 88.00% 86.00% 84.00% 82.00% 80.00% 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Output Load (A)
Efficiency (%)
Vin=4.5V Vin=5.0V Vin=5.5V
Fig 17. SIP Efficiency Curves for Vout=3.3V (25C)
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NCA0151330S (2.5Vo, 25C) Eff vs Output Load
100.00% 95.00% Efficiency (%) 90.00% 85.00% 80.00% 75.00% 70.00% 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Output Load (A) Vin=3.0V Vin=5.0V Vin=5.5V
Fig 18. SMT Efficiency Curves for Vout=2.5V (25C)
NCA0151330B (2.5Vo, 25C) Eff vs Output Load
100.00% 95.00% Efficiency (%) 90.00% 85.00% 80.00% 75.00% 70.00% 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Output Load (A) Vin=3.0V Vin=5.0V Vin=5.5V
Fig 19. SIP Efficiency Curves for Vout=2.5V (25C)
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NCA0151330S (2.0Vo, 25C) Eff vs Output Load
100.00% 90.00% 80.00% 70.00% 60.00% 50.00% 40.00% 30.00% 20.00% 10.00% 0.00% 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Output Load (A)
Efficiency (%)
Vin=3.0V Vin=5.0V Vin=5.5V
Fig 20. SMT Efficiency Curves for Vout=2.0V (25C)
NCA0151330B (2.0Vo, 25C) Eff vs Output Load
100.00% 90.00% 80.00% 70.00% 60.00% 50.00% 40.00% 30.00% 20.00% 10.00% 0.00% 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Output Load (A)
Efficiency (%)
Vin=3.0V Vin=5.0V Vin=5.5V
Fig 21. SIP Efficiency Curves for Vout=2.0V (25C)
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Volant NCA015 Series Murata Power Solutions Non-Isolated 15A SIP/SMT DC/DC Converters
NCA0151330S (1.8Vo, 25C) Eff vs Output Load
100.00% 90.00% 80.00% 70.00% 60.00% 50.00% 40.00% 30.00% 20.00% 10.00% 0.00% 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Output Load (A)
Efficiency (%)
Vin=3.0V Vin=5.0V Vin=5.5V
Fig 22. SMT Efficiency Curves for Vout=1.8V (25C)
NCA0151330B (1.8Vo, 25C) Eff vs Output Load
95.00% Efficiency (%) 90.00% 85.00% 80.00% 75.00% 70.00% 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Output Load (A) Vin=3.0V Vin=5.0V Vin=5.5V
Fig 23. SIP Efficiency Curves for Vout=1.8V (25C)
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NCA0151330S (1.5Vo, 25C) Eff vs Output Load
100.00% 90.00% 80.00% 70.00% 60.00% 50.00% 40.00% 30.00% 20.00% 10.00% 0.00% 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Output Load (A)
Efficiency (%)
Vin=3.0V Vin=5.0V Vin=5.5V
Fig 24. SMT Efficiency Curves for Vout=1.5V (25C)
NCA0151330B (1.5Vo, 25C) Eff vs Output Load
100.00% 90.00% 80.00% 70.00% 60.00% 50.00% 40.00% 30.00% 20.00% 10.00% 0.00% 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Output Load (A)
Efficiency (%)
Vin=3.0V Vin=5.0V Vin=5.5V
Fig 25. SIP Efficiency Curves for Vout=1.5V (25C)
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NCA0151330S (1.2Vo, 25C) Eff vs Output Load
100.00% 90.00% 80.00% 70.00% 60.00% 50.00% 40.00% 30.00% 20.00% 10.00% 0.00% 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Output Load (A)
Efficiency (%)
Vin=3.0V Vin=5.0V Vin=5.5V
Fig 26. SMT Efficiency Curves for Vout=1.2V (25C)
NCA0151330B (1.2Vo, 25C) Eff vs Output Load
100.00% 90.00% 80.00% 70.00% 60.00% 50.00% 40.00% 30.00% 20.00% 10.00% 0.00% 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Output Load (A)
Efficiency (%)
Vin=3.0V Vin=5.0V Vin=5.5V
Fig 27. SIP Efficiency Curves for Vout=1.2V (25C)
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NCA0151330S (1.0Vo, 25C) Eff vs Output Load
100.00% 90.00% 80.00% 70.00% 60.00% 50.00% 40.00% 30.00% 20.00% 10.00% 0.00% 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Output Load (A)
Efficiency (%)
Vin=3.0V Vin=5.0V Vin=5.5V
Fig 28. SMT Efficiency Curves for Vout=1.0V (25C)
NCA0151330B (1.0Vo, 25C) Eff vs Output Load
100.00% 90.00% 80.00% 70.00% 60.00% 50.00% 40.00% 30.00% 20.00% 10.00% 0.00% 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Output Load (A)
Efficiency (%)
Vin=3.0V Vin=5.0V Vin=5.5V
Fig 29. SIP Efficiency Curves for Vout=1.0V (25C)
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Typical Start Up
Ch 1. Enable Ch2. Vout, Full load. Ch3. Q1-Vgs Ch4. Q2-Vgs
Typical Start Up with pre-bias
Ch1 : Enable Ch2 : Vout Ch3 : Output current at No Load.
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Murata Power Solutions
Typical Output Noise and Ripple
Volant NCA015 Series
Non-Isolated 15A SIP/SMT DC/DC Converters
Output Voltage Set point adjustment. The following relationship establish the calculation of external resistors:
Radj =
21070 - 5110 Vo - 0.7525
For Vout setting an external resistor is connected between the TRIM and Ground Pin. Resistor values for different output voltages are calculated as given in the table:
Vo, set (Volts) RAdj (K)
3.3 2.5 2.0 1.8 1.5 1.2 1.0 0.9 0.75
3.160 6.947 11.780 15.004 23.077 41.973 80.02 137.74 Open
Remote Sense:
All Murata Power Solutions SMT/SIP power modules offer an option for remote sense. The remote sense compensates for any distribution drops to accurately control voltage at the point of load. The voltage between the sense pin to Vout pin should not exceed 0.5V.
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SMT Lead free Reflow profile
1. Ramp up rate during preheat : 1.33 /Sec ( From 30 to 150 ) 2. Soaking temperature : 0.29 /Sec ( From 150 to 180 ) 3. Ramp up rate during reflow : 0.8 /Sec ( From 220 to 250 ) 4. Peak temperature : 250, above 220 40 to 70 Seconds
5. Ramp up rate during cooling : -1.56 /Sec ( From 220 to 150 )
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Mechanical and pinning Information.
Given below is the outline drawing showing physical dimensions of the SIP & SMT package. The external dimensions for SMT package are 33.00mm X 13.46mm X 9.30mm.
BOTTOM VIEW OF BOARD
33.0 (1.30)
G H I A F
J
K
9.30 (0.366) max. 1.65 (0.065)
E
7.87 (0.310)
4.83
4.83
4.83
7.54 (0.297)
(0.190) (0.190) (0.190)
COM
+VO
TRIM +SENSE 10.29 13.46 (0.405) (0.530)
L B
C
1.60 (0.063)
D
+VIN
ON/OFF SURFACE MOUNT CONTACT 1.91 (0.075) 1.22 (0.048)
N M
2.84 (0.112)
L1 INDUCTOR
Dimensions are in millimeters(Inches) Tolerances :X.X = 0.5mm(0.02in),X.XX = 0.25mm(0.010in),unless otherwise noted.
Whereas, the external dimensions of the SIP version are 50.8mm X 12.7mm X 8.3mm.
0.327(8.3) 2.00(50.8) 0.23(5.8)
0.50(12.7) 12 345 0.139(3.53) 0.10(2.54) 0.40(10.2) 0.025(0.64) 1.00(25.4) 0.05(1.3) 6 7 8 9 10 11
PIN CONNECTION Pin FUNCTION +Output 1 +Output 2 3 +Sense +Output 4
0.025(0.64)
0.28(7.10)
0.29(7.4)
LAYOUT PATTER N TOP VIEW
0.33(8.4)
All Dimmension In Inches(mm) Tolerance : .XX= 0.04 .XXX= 0.010
1.1mm PLATED THROUGH HOLE 1.6mm PAD SIZE
5 6 7 8 9 10 11
Common Common +V Input +V Input No Pin Trim On/Off Control
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Safety Considerations
The NCA series of converters are certified to IEC/EN/CSA/UL 60950. If this product is built into information technology equipment, the installation must comply with the above standard. An external input fuse of less than 50 Amps (5A to 30A recommended), must be used to meet the above requirements. The output of the converter [Vo(+)/Vo(-)] is considered to remain within SELV limits when the input to the converter meets SELV or TNV-2 requirements. The converters and materials meet UL 94V-0 flammability ratings.
Ordering Information
Part Number NCA0151330B0C NCA0151330S0C NCA0151331B0C NCA0151331S0C Vin 3.0V - 5.5V 3.0V - 5.5V 3.0V - 5.5V 3.0V - 5.5V Vout 1.0V - 3.3V 1.0V - 3.3V 1.0V - 3.3V 1.0V - 3.3V Iout Enable Logic Pin Length 15A Negative 0.139" 15A Negative SMT 15A Positive 0.139" 15A Positive SMT
Label Information
NCA0151330B0-XC
C = RoHS Compliant X = Factory control character (not required when ordering) 0 = Standard. (No PGood option) P = Power Good Option Pin Length Option B=0.139" S=SMT Enable Logic, 0 for-ve, 1 for +ve Iout Place Holder Vout Range F=Fixed A=Adjustable Vin (value or range) C= 3.3V -5.0V E= 8.3V-14V F= 6.0V-14V Vout
Non-Isolated Family RoHS Compliant
The NCA015 series of converters is in compliance with the European Union Directive 2002/95/EC (RoHS) with repsect to the following sustances: lead (Pb), mercury (Hg), cadmium (Cd), hexavalent chromium, polybrominated biphenyls (PBB) or polybrominated diphenyl ethers (PBDE).
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