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Volant NCA005 Series
Non-Isolated 5A SIP/SMT DC/DC Converters
Features: Small size, minimal footprint - SMT/SIP package 5A Output Current (all voltages) High Efficiency: up to 94% High reliability RoHS Compliant Cost efficient open frame design Output voltage programmable by an external resistor. Monotonic Start with Pre-Bias.
Output Vout (V) 0.75 1.2 1.5 1.8 2.0 2.5 3.3 Iout (A) 5 5 5 5 5 5 5 PARD (mVp-p) Typ. 30 30 30 30 30 30 30 Max. 50 50 50 50 50 50 50 Regulation Max Line +/-0.4% +/-0.4% +/-0.4% +/-0.4% +/-0.4% +/-0.4% +/-0.4% Load +/-0.5% +/-0.5% +/-0.5% +/-0.5% +/-0.5% +/-0.5% +/-0.5%
Input Vin Nom. (V) 5 5 5 5 5 5 5
Efficiency Range (V) Iin Typ (A) 0.949 1.412 1.724 2.022 2.222 2.217 3.511 Full Load Typ. 79% 85% 87% 89% 90% 92% 94%
3.0- 5.5 3.0- 5.5 3.0- 5.5 3.0- 5.5 3.0- 5.5 3.0- 5.5 4.5- 5.5
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Volant NCA005 Series
Non-Isolated 5A 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 Enable
(Positive enable has 20K pullup) (Negative enable has no internal pullup resistor)
Notes & Conditions
Min 3.0
Typ. 5 150 100 2.05 1.91 open <0.4 <0.4
Max 5.5 0.2
Units Vdc mA p-p A2s F V V Vdc Vdc
Positive enable: ON Positive enable: OFF Negative enable: ON; open circuit or Negative enable: OFF Notes & Conditions 100% load
2 Min -1.5 0 Typ.
Vin Max +1.5 5 50 3000 3.63 <2% 10 Units % A mV F V A % % %
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 Dynamic Characteristics Load Transient Frequency Rise Time Start-Up Time General Specifications MTBF Thermal Protection Operating Temperature Operating Ambient Temperature SIP Dimensions SMT Dimensions SIP Pin Dimensions SMT Block Dimensions Pin and Block Material Weight Flammability Rating
Low ESR 0.75 Over line/load temperature -0.4 -0.5 Hiccup with auto recovery Unit starts monotonically with prebias Notes & Conditions 50% step, 0.1A/s Settling Time 10% Vo to 90% Vo Vin to Vout and On/Off to Vout Vout rise to monotonic Notes & Conditions Calculated (MIL-HDBK-217F) Thermal Measurement Location (TML) Without derating, 0LFM See Power derating curve 0.9"Lx0.4"Wx0.22"H (22.9x10.16x5.6mm) 0.80"Lx0.450"Wx0.24"H (20.3x11.43x6.09mm) 0.025" (0.64mm) SQUARE 0.090" x0.062" x 0.062" SQUARE Square copper with tin-lead plated UL94V-0 Min Min Typ.
+0.4 +0.5 1
Max 200 200
300 4.5 6.5 Typ. 1.5 110 Max
Units mV s KHz ms ms Units x106 Hrs C C C
-40 -40
70 85
0.64
mm
2.3
g
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Volant NCA005 Series
Non-Isolated 5A SIP/SMT DC/DC Converters
Standards Compliance
CSA C22.2, No.60950/UL 60950, Third Edition (2000)
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.
TML
TML
Figure 1. Thermal Tests Set-Up. The temperature at either TML location should not exceed 110C. 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 2-17 . 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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Volant NCA005 Series
Non-Isolated 5A SIP/SMT DC/DC Converters
TYPICAL DERATING CURVES SIP/SMT VERSION
NCA0051331S0 Vo=0.75V Derating Curve
6.0 5.0 4.0 3.0 2.0 1.0 0.0 20 30 40 50 60 70 80 90 100 0LFM 100LFM 200LFM
Output Current (A)
Ambient Temperature (C)
Fig. 2. SMT Power Derating vs Output Current for 5.0Vin 0.75V Out.
NCA0051331B0 Vo=0.75V Derating Curve
6.0 5.0 4.0 3.0 2.0 1.0 0.0 20 30 40 50 60 70 80 90 100 0LFM 100LFM 200LFM
Output Current (A)
Ambient Temperature (C)
Fig. 3. SIP Power Derating vs Output Current for 5Vin 0.75V Out.
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Volant NCA005 Series
Non-Isolated 5A SIP/SMT DC/DC Converters
NCA0051331S0 Vo=1.2V Derating Curve
6.0 5.0 4.0 3.0 2.0 1.0 0.0 20 30 40 50 60 70 80 90 100 0LFM 100LFM 200LFM
Output Current (A)
Ambient Temperature (C)
Fig 4. SMT Power Derating vs Output Current for 5.0Vin 1.2V Out.
NCA0051331B0 Vo=1.2V Derating Curve
6.0 5.0 4.0 3.0 2.0 1.0 0.0 20 30 40 50 60 70 80 90 100 0LFM 100LFM 200LFM
Output Current (A)
Ambient Temperature (C)
Fig 5. SIP Power Derating vs Output Current for 5.0Vin 1.2V Out.
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Volant NCA005 Series
Non-Isolated 5A SIP/SMT DC/DC Converters
NCA0051331S0 Vo=1.5V Derating Curve
6.0 5.0 4.0 3.0 2.0 1.0 0.0 20 30 40 50 60 70 80 90 100 0LFM 100LFM 200LFM
Output Current (A)
Ambient Temperature (C)
Fig 6. SMT Power Derating vs Output Current for 5.0Vin 1.5V Out.
NCA0051331B0 Vo=1.5V Derating Curve
6.0 5.0 4.0 3.0 2.0 1.0 0.0 20 30 40 50 60 70 80 90 100 0LFM 100LFM 200LFM
Output Current (A)
Ambient Temperature (C)
Fig 7. SIP Power Derating vs Output Current for 5.0Vin 1.5V Out.
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Volant NCA005 Series
Non-Isolated 5A SIP/SMT DC/DC Converters
NCA0051331S0 Vo=1.8V Derating Curve
6.0 5.0 4.0 3.0 2.0 1.0 0.0 20 30 40 50 60 70 80 90 100 0LFM 100LFM 200LFM
Output Current (A)
Ambient Temperature (C)
Fig 8. SMT Power Derating vs Output Current for 5.0Vin 1.8V Out.
NCA0051331B0 Vo=1.8V Derating Curve
6.0 5.0 4.0 3.0 2.0 1.0 0.0 20 30 40 50 60 70 80 90 100 0LFM 100LFM 200LFM
Output Current (A)
Ambient Temperature (C)
Fig 9. SIP Power Derating vs Output Current for 5.0Vin 1.8V Out.
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Volant NCA005 Series
Non-Isolated 5A SIP/SMT DC/DC Converters
NCA0051331S0 Vo=2.0V Derating Curve
6.0 5.0 4.0 3.0 2.0 1.0 0.0 20 30 40 50 60 70 80 90 100 0LFM 100LFM 200LFM
Output Current (A)
Ambient Temperature (C)
Fig 10. SMT Power Derating vs Output Current for 5.0Vin 2.0V Out.
NCA0051331B0 Vo=2.0V Derating Curve
6.0 5.0 4.0 3.0 2.0 1.0 0.0 20 30 40 50 60 70 80 90 100 0LFM 100LFM 200LFM
Output Current (A)
Ambient Temperature (C)
Fig 11. SIP Power Derating vs Output Current for 5.0Vin 2.0V Out.
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Volant NCA005 Series
Non-Isolated 5A SIP/SMT DC/DC Converters
NCA0051331S0 Vo=2.5V Derating Curve
6.0 5.0 4.0 3.0 2.0 1.0 0.0 20 30 40 50 60 70 80 90 100 0LFM 100LFM 200LFM
Output Current (A)
Ambient Temperature (C)
Fig 12. SMT Power Derating vs Output Current for 5.0Vin 2.5V Out.
NCA0051331B0 Vo=2.5V Derating Curve
6.0 5.0 4.0 3.0 2.0 1.0 0.0 20 30 40 50 60 70 80 90 100 0LFM 100LFM 200LFM
Output Current (A)
Ambient Temperature (C)
Fig 13. SIP Power Derating vs Output Current for 5.0Vin 2.5V Out.
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Volant NCA005 Series
Non-Isolated 5A SIP/SMT DC/DC Converters
NCA0051331S0 Vo=3.3V Derating Curve
6.0 5.0 4.0 3.0 2.0 1.0 0.0 20 30 40 50 60 70 80 90 100 0LFM 100LFM 200LFM
Output Current (A)
Ambient Temperature (C)
Fig. 14. SMT Power Derating vs Output Current for 5.0Vin 3.3V Out.
NCA0051331B0 Vo=3.3V Derating Curve
6.0 5.0 4.0 3.0 2.0 1.0 0.0 20 30 40 50 60 70 80 90 100 0LFM 100LFM 200LFM
Output Current (A)
Ambient Temperature (C)
Fig 15. SIP Power Derating vs Output Current for 5.0Vin 3.3V Out.
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Volant NCA005 Series
Non-Isolated 5A SIP/SMT DC/DC Converters
TYPICAL EFFICIENCY CURVES FOR VARIOUS VOLTAGE MODELS SIP/SMT VERSION.
NCA0051331S0 Vo=0.75V (Eff Vs Io)
100% 95% 90%
Efficincy (%)
85% 80% 75% 70% 65% 0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5 3.0V 5.0V 5.5V
Current Load (A)
Fig 18. SMT Efficiency Curves for Vout=075V (25C)
NCA0051331B0 Vo=0.75V (Eff Vs Io)
100% 95% 90%
Efficincy (%)
85% 80% 75% 70% 65% 0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5 3.0V 5V 5.5V
Current Load (A)
Fig 19. SIP Efficiency Curves for Vout=0.75V (25C)
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Volant NCA005 Series
Non-Isolated 5A SIP/SMT DC/DC Converters
NCA0051331S0 Vo=1.2V (Eff Vs Io)
100% 95% 90%
Efficincy (%)
85% 80% 75% 70% 65% 0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5 3.0V 5.0V 5.5V
Current Load (A)
Fig 20. SMT Efficiency Curves for Vout=1.2V (25C)
100% 95% 90%
NCA0051331B0 Vo=1.2V (Eff Vs Io)
Efficincy (%)
85% 80% 75% 70% 65% 0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5 3.0V 5V 5.5V
Current Load (A)
Fig 21. SIP Efficiency Curves for Vout=1.2V (25C)
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Volant NCA005 Series
Non-Isolated 5A SIP/SMT DC/DC Converters
100% 95% 90%
NCA0051331S0 Vo=1.5V (Eff Vs Io)
Efficincy (%)
85% 80% 75% 70% 65% 0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5 3.0V 5V 5.5V
Current Load (A)
Fig 22. SMT Efficiency Curves for Vout=1.5V (25C)
100% 95% 90%
NCA0051331B0 Vo=1.5V (Eff Vs Io)
Efficincy (%)
85% 80% 75% 70% 65% 0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5 3.0V 5V 5.5V
Current Load (A)
Fig 23. SIP Efficiency Curves for Vout=1.5V (25C)
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Volant NCA005 Series
Non-Isolated 5A SIP/SMT DC/DC Converters
100% 95% 90%
NCA0051331S0 Vo=1.8V (Eff Vs Io)
Efficincy (%)
85% 80% 75% 70% 65% 0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5 3.0V 5V 5.5V
Current Load (A)
Fig 24. SMT Efficiency Curves for Vout=1.8V (25C)
100% 95% 90%
NCA0051331B0 Vo=1.8V (Eff Vs Io)
Efficincy (%)
85% 80% 75% 70% 65% 0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5 3.0V 5V 5.5V
Current Load (A)
Fig 25. SIP Efficiency Curves for Vout=1.8V (25C)
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Volant NCA005 Series
Non-Isolated 5A SIP/SMT DC/DC Converters
100% 95% 90%
NCA0051331S0 Vo=2.0V (Eff Vs Io)
Efficincy (%)
85% 80% 75% 70% 65% 0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5 3.0V 5V 5.5V
Current Load (A)
Fig 26. SMT Efficiency Curves for Vout=2.0V (25C)
100% 95% 90%
NCA0051331B0 Vo=2.0V (Eff Vs Io)
Efficincy (%)
85% 80% 75% 70% 65% 0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5 3.0V 5V 5.5V
Current Load (A)
Fig 27. SIP Efficiency Curves for Vout=2.0V (25C)
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Volant NCA005 Series
Non-Isolated 5A SIP/SMT DC/DC Converters
100% 95% 90%
NCA0051331S0 Vo=2.5V (Eff Vs Io)
Efficincy (%)
85% 80% 75% 70% 65% 0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5 3.0V 5V 5.5V
Current Load (A)
Fig 28. SMT Efficiency Curves for Vout=2.5V (25C)
100% 95% 90%
NCA0051331B0 Vo=2.5V (Eff Vs Io)
Efficincy (%)
85% 80% 75% 70% 65% 0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5 3.0V 5V 5.5V
Current Load (A)
Fig 29. SIP Efficiency Curves for Vout=2.5V (25C)
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Volant NCA005 Series
Non-Isolated 5A SIP/SMT DC/DC Converters
100% 95%
NCA0051331S0 Vo=3.3V (Eff Vs Io)
Efficincy (%)
90% 85% 80% 75% 70% 0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5 4.5V 5V 5.5V
Current Load (A)
Fig 30. SMT Efficiency Curves for Vout=3.3V (25C)
100% 95%
NCA0051331B0 Vo=3.3V (Eff Vs Io)
Efficincy (%)
90% 85% 80% 75% 70% 0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5 4.5V 5V 5.5V
Current Load (A)
Fig 31. SIP Efficiency Curves for Vout=3.3V (25C)
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Volant NCA005 Series
Non-Isolated 5A SIP/SMT DC/DC Converters
Typical Start Up
Ch1. Vin=5.0Vdc Ch2. Vout=3.3V, Full load.
Typical Start Up with pre-bias
Vin=5Vdc Ch1 : Vout=3.3V Ch2 : Output current at Full Load
.
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Volant NCA005 Series
Non-Isolated 5A SIP/SMT DC/DC Converters
Typical Output Noise and Ripple
Vin = 5Vdc , Vo=3.3V/5A Output with 1uF ceramic and 10uF tantalum capacitor
Typical Output Transient Response
Vin = 5Vdc , Vo=3.3V , 50% - 100% - 50% Load change , @0.1A/uS
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Volant NCA005 Series
Non-Isolated 5A 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
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 ) 4118 14th Avenue, Unit 4 Markham, Ontario L3R OJ3 1-866-740-1232
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Volant NCA005 Series
Non-Isolated 5A SIP/SMT DC/DC Converters
Mechanical and pinning Information.
Given below is the outline drawing showing physical dimensions of the SIP & SMT package.
BOTTOM VIEW OF BOARD
0.80 (20.3) 0.190 (4.83) 0.160 (4.06) 0.160 (4.06) 0.180 (4.06) 0.062 (1.57) 0.24 (6.09)
0.35 (8.9)
GND
TRIM
VOUT
0.340 (8.64) 0.450 (11.43)
VIN 0.062 (1.57)
ON/OFF 0.06 (1.5)
0.090 (2.29) Dimensions are in Inches (millimeters)
Surface Mount Contact 5 Places 0.05 (1.3)
Tolerances :x.xx = 0.02in.( x.x = 0.5mm) , unless otherwise noted x.xxx = 0.010in. ( x.xx = 0.25mm)
The external dimensions for SMT package are 20.3mm x 11.43mm x 6.09mm.
Recommended Pad Layout
Dimensions are in Inches ( millimetes ) 0.180 (4.57) 0.160 (4.06) 0.160 (4.06) 0.190 (4.83)
VOUT 0.340 (8.64) ON/OFF
TRIM
GND 0.350 (8.89) 0.010 (0.25) VIN
0.06 (1.5)
0.05 (1.3)
0.690 (17.53) PAD SIZE MIN : 0.120" x 0.095 " MAX : 0.135" x 0.110 "
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Volant NCA005 Series
Non-Isolated 5A SIP/SMT DC/DC Converters
Whereas, the external dimensions of the SIP version are 22.9mm x 10.16mm x 5.6mm.
SIZE SIP05
0.90(22.9) 0.22(5.6)Max. Pin 1 PIN CONNECTION FUNCTION +Output Trim Common +V Input On/Off
123
0.14(3.6)
45
0.400(10.16) 2 3 4
0.100(2.54) 0.200(5.08) 0.700(17.78) 0.800(20.32)
0.025(0.64) 0.025(0.64) 5 0.19(4.7)
1.1mm PLATED THROUGH HOLE 1.6mm PAD SIZE 0.20(5.1) LAYOUT PATTERN TOP VIEW 0.24(6.1) All Dimmension In Inches(mm) Tolerance : .XX = 0.02 ( 0.5 )
.XXX = 0.010 ( 0.25 )
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 NCA0051330B0C NCA0051330S0C NCA0051331B0C NCA0051331S0C Vin 3.0V - 5.5V 3.0V - 5.5V 3.0V - 5.5V 3.0V - 5.5V Vout 0.75V - 3.6V 0.75V - 3.6V 0.75V - 3.6V 0.75V - 3.6V Iout 5A 5A 5A 5A Enable Logic Negative Negative Positive Positive Pin Length 0.139" SMT 0.139" SMT
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Volant NCA005 Series
Non-Isolated 5A SIP/SMT DC/DC Converters
Label Information
NCA0051330B0-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 NCA005 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).
C&D Technologies, Inc. reserves the right to alter or improve the specification, internal design or manufacturing process at any time, without notice. Please check with your supplier or visit our website to ensure that you have the current and complete specification for your product before use.
(c) C&D Technologies, Inc. 2004
No part of this publication may be copied, transmitted, or stored in a retrieval system or reproduced in any way including, but not limited to, photography, photocopy, magnetic or other recording means, without prior written permission from C&D Technologies, Inc. Instructions for use are available from: www.cdtechno-cps.com
4118 14th Avenue, Unit 4 Markham, Ontario L3R OJ3 1-866-740-1232
NCA005 6200830000 A01 03Mar06
www.cdtechno-cps.com
4607 S.E. International Way Milwaukie, Oregon 97222 1-971-206-2800 Page 23

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