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3.3 Vin and 5 Vin single output
DC-DC CONVERTERS F Class Non-isolated NEW Product 1 * Designed to meet ultra fast transient requirements up to 300 A/s step load transients * 12 A current rating * Input voltage range: 2.97 Vdc to 5.5 Vdc * Output voltage range: 0.9 Vdc to 3.3 Vdc * Extremely low internal power dissipation * Minimal thermal design concerns * Ideal solution where board space is at a premium or tighter card pitch is required * Available RoHS compliant
The SMT12F series is a new range of ultra-compact non-isolated point-of-load converters for space-critical applications. The new SMT12F TyphoonTM family surface-mount converter has a footprint of just 13.5 x 16 mm - and unlike competitive products on the market, requires only the addition of a small number of ceramic output capacitors to realise a complete highperformance point-of-load (POL) solution. The SMT12F is primarily intended for use on very densely packed, high functionality boards and for powering advanced silicon including network and communication processors, DSPs, FPGAs and ASICs. A key advantage of the SMT12F is that it only needs the addition of five 22 F ceramic output capacitors to provide a complete full-specification, high efficiency POL solution with transient response capabilities that extend up to 300 A/s. The total board space required for the module and capacitors is a mere 300 mm2, facilitating easy co-location with the load. All specifications are typical at nominal input, full load at 25 C unless otherwise stated. External output capacitance required (See Note 4) OUTPUT SPECIFICATIONS Voltage adjustability Wide trim (See Note 6) Setpoint accuracy Line regulation Load regulation Total error band Minimum load Overshoot/undershoot Ripple and noise (See Note 5) Temperature co-efficient Transient response (Vout = 3.3 V) di/dt 300 A/s 5 Hz to 20 MHz 5.0 Vin 3.3 Vin 0.9-3.3 Vdc 0.9-2.6 Vdc 0.5% typ. 1.0% typ. 1.0% typ. 3.0% typ. 0A None 40 mV pk-pk 25 mV rms 0.01%/C 12 A load step 100 mV deviation <15 s settling time to within 1.0% 10% Vo compensation Insulation voltage Switching frequency Approvals and standards Material flammability Dimensions Weight Coplanarity MTBF INPUT SPECIFICATIONS Input voltage range (See Note 6) Input current Input current (max.) Input reflected ripple Remote ON/OFF Start-up time 5 Vin 3.3 Vin No load 3.0-5.5 Vdc 2.97-3.63 Vdc 100 mA 8.5 A max. @ Io max. and Vout = 3.3 V 100 mA rms (See Note 1) 15 ms ENVIRONMENTAL SPECIFICATIONS Thermal performance (See Note 2) Operating ambient, temperature Non-operating -40 C to +85 C -40 C to +125 C Telcordia SR-332 (LxWxH) EMC CHARACTERISTICS Electrostatic discharge Conducted immunity Radiated immunity EN61000-4-2, IEC801-2 EN61000-4-6 EN61000-4-3
SMT12F Series
2 YEAR WARRANTY
SPECIFICATIONS
GENERAL SPECIFICATIONS Efficiency 5 Vin 3.3 Vin 95% typ. 92% typ. Non-isolated 600 kHz EN60950 UL/cUL60950 UL94V-0 16.00 x 13.46 x 7.93 mm 0.63 x 0.52 x 0.31 inches 3 g (0.11 oz) 100 m 10,000,000 hours
Remote sense
PROTECTION Short-circuit Thermal Continuous Automatic recovery
File Name: SMT12F_05.pdf Rev (03): 16 Dec 2005
3.3 Vin and 5 Vin single output
DC-DC CONVERTERS F Class Non-isolated NEW Product 2 For the most current data and application support visit www.artesyn.com/powergroup/products.htm
OUTPUT POWER (MAX.) 31.2 W 39.6 W OUTPUT CURRENT (MIN.) 0A 0A OUTPUT CURRENT (MAX.) 12 A 12 A
SMT12F Series
OUTPUT VOLTAGE 0.9-2.6 Vdc 0.9-3.3 Vdc EFFICIENCY (TYP.) 92% 95%
INPUT VOLTAGE 2.97-3.63 Vdc 3.0-5.5 Vdc
REGULATION LINE 1.0% 1.0% LOAD 1.0% 1.0%
MODEL NUMBER (7, 8) SMT12F-03W2V6J SMT12F-05W3V3J
Part Number System with Options
SMT12F-05W3V3J
s Packaging Options (7) J = Pb-free (RoHS 6/6 compliant) Output Voltage 2V6 = 0.9 Vdc to 2.6 Vdc 3V3 = 0.9 Vdc to 3.3 Vdc Type of Output S = Single Fixed W = Wide Input Voltage 03 = 2.97 Vdc to 3.63 Vdc 05 = 3.0 Vdc to 5.5 Vdc Output Voltage Adjustment of the SMT12F Series
Product Family SMT = Surface Mount Rated Output Current 12 = 12 Amps Performance F = Enhanced/Fast Transient
The ultra-wide output voltage trim range offers major advantages to users who select the SMT12F. It is no longer necessary to purchase a variety of modules in order to cover different output voltages. The output voltage can be trimmed in a range of 0.9 Vdc to 2.6 Vdc or 0.9 Vdc to 3.3 Vdc. When the SMT12F-05W3V3J converter leaves the factory the output has been adjusted to the default voltage of 3.3 V. When the SMT12F-03W2V6J converter leaves the factory the output has been adjusted to the default voltage of 2.6 V. Vin 4.5-5.5 Vdc < 4.5 Vdc Vout 0.9-3.3 Vdc 0.9-2.0 Vdc
Unit
05W3V3J 05W3V3J 03W2V6J
2.97-3.63 Vdc 0.9-2.6 Vdc
Notes
1 The SMT12F features an `Active Low' Remote ON/OFF operation. If you are not using the Remote ON/OFF pin, leave the pin open (the converter will be on). The Remote ON/OFF pin is referenced to ground. The following conditions apply for the SMT12F: Configuration Remote pin open circuit Remote pin pulled low Remote pin pulled high Converter Operation Unit is ON Unit is ON Unit is OFF 5 6 7 8 3 4 A 22 F ceramic input capacitor may be required for test purposes only. See Application Note 165 for further details. An external output capacitor is required for basic operation. Required capacitance is a minimum of 110 F to meet the performance parameters. This can be made up of any combination of 22 F or 44 F multi-layer ceramic capacitors in the appropriate voltage rating. Ripple and Noise is worst case measurement. Typical value is 26 mV pkpk. When Vin <4.5 V, Vout max = 2.5 V for model SMT12F-03W2V6. TSE RoHS 5/6 (non Pb-free) compliant versions may be available on special request, please contact your local sales representative for details. NOTICE: Some models do not support all options. Please contact your local Artesyn representative or use the on-line model number search tool at http://www.artesyn.com/powergroup/products.htm to find a suitable alternative.
2
An `Active High' Remote ON/OFF version is also possible with this converter. To order please place the suffix `R' towards the end of the part number, e.g. SMT12F-05W3V3RJ. See Figures 1 and 2 for sample derating curves. For the full set of derating curves see Application Note 165.
International Safety Standard Approvals
UL/cUL CAN/CSA 22.2 No. E174104 UL 60950 File No. E174104 TUV Product Service (EN60950) Certificate No. B 04 04 38572 041. CB Report and Certificate to IEC60950 DE3-52484
File Name: SMT12F_05.pdf Rev (03): 16 Dec 2005
3.3 Vin and 5 Vin single output
DC-DC CONVERTERS F Class Non-isolated NEW Product 3 For the most current data and application support visit www.artesyn.com/powergroup/products.htm
SMT12F Series
OUTPUT CURRENT (A)
14 12 10 8 6 4 2 0 0 10 20 30 40 50 60 70 80 90 TEMPERATURE (C)
Figure 1 - Derating Curve Vin = 5 V, Output Voltage = 1.8 V (See Note A)
Nat conv 200 LFM 400 LFM
14 OUTPUT CURRENT (A) 12 10 8 6 4 2 0 0 10 20 30 40 50 60 70 80
Nat conv 200 LFM 400 LFM
AMBIENT TEMPERATURE (C)
Figure 2 - Derating Curve Vin = 5 V, Output Voltage = 1.5 V (See Note A)
Margin Up Margin Down 10
Power Good
4 Remote ON/OFF 3
2
7 5
Vout +Vsense
SMT12F
Vin Cout = 110F
9
8
1
6
(See note C)
R L O A D
Rtrim (for trim down)
-Vsense
GND
Figure 3 - Typical Transient Response (source) 12 A load Step di/dt = 300 A/s Channel 1: Deviation on unit = 2.3%, Settling Time = 16 s Vin = 5 V, Vout = 1.5 V
Figure 4 - Standard Application Drawing
Notes
A Derating curves represent the conditions at which internal components are within the Artesyn derating guidelines. B Vin = 5 V, Vout = 1.5 V.
File Name: SMT12F_05.pdf Rev (03): 16 Dec 2005
3.3 Vin and 5 Vin single output
DC-DC CONVERTERS F Class Non-isolated NEW Product 4 For the most current data and application support visit www.artesyn.com/powergroup/products.htm
SMT12F Series
0.098 [2.48]
0.5200.010 [13.460.25]
TOP VIEW 0.340 [8.64] 0.6300.010 [16.000.25] 7
8
9
0.580 [14.73]
0.250 [6.35]
10
0.455 [11.56] 0.470 [11.94]
BOTTOM VIEW 654321 0.065 [1.65] 0.000 [0.00]
0.312 [7.93] MAX. INSTALLED HT.
SIDE VIEW
0.050 [1.26]
0.103 [2.60] 0.188 [4.76] 0.273 [6.92] 0.358 [9.08] 0.443 [11.24] 0.528 [13.40] Dimensions in Inches (mm) Tolerances (unless otherwise specified) 0.005 (0.127)
SEATING PLANE
Figure 5 - Mechanical Drawing
Pin No. Pin Description
1 Trim: A 1% 0.1 W resistor must be directly connected between this pin and pin 8 (GND) to set the output voltage to a lower value than 3.3 V. The temperature stability of the resistor should be 100 ppm/C or better. The set point range for the 3.3 V model is from 3.3 V to 0.9 V. The resistor required for a given output voltage may be calculated from the following formula.
Pin No. Pin Description
3 Remote ON/OFF: Applying a high level signal to this input disables the module's output and turns off the output voltage. When the Remote ON/OFF control is active, the input current drawn by the regulator is significantly reduced. If the Remote ON/OFF pin is left open-circuit, the module will produce an output whenever a valid input source is applied. Margin-: When this input is asserted high, the output voltage is decreased by 5% from the nominal. This functions is independant of trim and sense. V sense +: The sense input allows the regulation circuit to compensate for voltage drop between the module and the load. For optimal voltage accuracy Vo Sense should be connected to Vout node of bypass capacitor. It can also be left disconnected. V sense -: The VSense should be connected to the ground of a bypass capacitor near the load or left open circuit. +Vout: The regulated positive power output with respect to the GND node. Ground: This is the common ground connection for the Vin and Vout power connections. It is also the 0 Vdc reference for the control inputs. +Vin: The positive input voltage power node to the module,which is referenced to common GND. Power Good: This pin indicates the status of the output voltage. Power Good is driven low if output voltage deviates outside of specified limits.
4
5 If left open circuit the output voltage will default to 3.3 V. The set point range for the 2.6 V model is from 2.6-0.9 V. The resistor required for a given output voltage may be calculated from the following formula
6 7 8
2
If left open circuit the output voltage will default to 2.6 V. For further information on output voltage adjustment consult the Application Note 165. Margin+: When this input is asserted to High, the output voltage is increased by 5%. This function is independant of trim and sense.
9 10
Datasheet (c) Artesyn Technologies(R) 2005 The information and specifications contained in this datasheet are believed to be correct at time of publication. However, Artesyn Technologies accepts no responsibility for consequences arising from printing errors or inaccuracies. The information and specifications contained or described herein are subject to change in any manner at any time without notice. No rights under any patent accompany the sale of any such product(s) or information contained herein.
Please consult our website for the following items: Application Note
0.000 [0.00]
www.artesyn.com
File Name: SMT12F_05.pdf Rev (03): 16 Dec 2005

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