Embedded Power for
Business-Critical Continuity
SMT12F Series
3.3 Vin and 5 Vin
single output
Rev.06.27.07
SMT12F
1 of 5
Total Power:
31.2W
Input Voltage: 2.97-3.63 Vdc
# of Outputs: Single
Special Features
• Designed to meet ultra fast
transient requirements up to
300 A/μs 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
• 2 year warranty
Safety
UL/cUL CAN/CSA 22.2
No. E174104
UL 60950 File No. E174104
TÜV Product Service (EN60950)
Certificate No. B 04 04 38572 041
CB Report and Certificate to
IEC60950 DE3-52484
The SMT12F series is a new range of ultra-compact non-isolated
point-of-load converters for space-critical applications. The new
SMT12F Typhoon™ family surface-mount converter has a foot-
print 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 high-performance
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 μF ceramic
output capacitors to provide a complete full-specification, high
efficiency POL solution with transient response capabilities that
extend up to 300 A/μs. The total board space required for the
module and capacitors is a mere 300 mm2, facilitating easy
co-location with the load.
Embedded Power for
Business-Critical Continuity
Specifications
All specifications are typical at nominal input, full load at 25
°
C unless otherwise stated.
Rev.06.27.07
SMT12F
2 of 5
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/μs
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.
0 A
None
40 mV pk-pk
25 mV rms
±0.01%/°C
12 A load step
100 mV deviation
<15 μs settling time to
within ±1.0%
10% Vo compensation
EMC CHARACTERISTICS
Electrostatic discharge
Conducted immunity
Radiated immunity
GENERAL SPECIFICATIONS
Efficiency
Insulation voltage
Switching frequency
Approvals and
standards
Material flammability
Dimensions
Weight
Coplanarity
MTBF
Telcordia SR-332
(LxWxH)
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 μm
10,000,000 hours
EN61000-4-2, IEC801-2
EN61000-4-6
EN61000-4-3
Remote sense
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
PROTECTION
Short-circuit
Thermal
Continuous
Automatic recovery
Embedded Power for
Business-Critical Continuity
Specifications
All specifications are typical at nominal input, full load at 25
°
C unless otherwise stated.
Rev.06.27.07
SMT12F
3 of 5
OUTPUT
POWER
(MAX.)
31.2 W
39.6 W
INPUT
VOLTAGE
2.97-3.63 Vdc
3.0-5.5 Vdc
OUTPUT
VOLTAGE
0.9-2.6 Vdc
0.9-3.3 Vdc
OUTPUT
CURRENT
(MIN.)
0A
0A
OUTPUT
CURRENT
(MAX.)
12 A
12 A
EFFICIENCY
(TYP.)
92%
95%
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
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
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.
V
in
4.5-5.5 Vdc
< 4.5 Vdc
2.97-3.63 Vdc
V
out
0.9-3.3 Vdc
0.9-2.0 Vdc
0.9-2.6 Vdc
Product Family
SMT = Surface Mount
Rated Output Current
12 = 12 Amps
Performance
F = Enhanced/Fast Transient
Unit
05W3V3J
05W3V3J
03W2V6J
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
4
Application Note 165 for further details.
An external output capacitor is required for basic operation. Required
capacitance is a minimum of 110 μF to meet the performance parameters.
This can be made up of any combination of 22 μF or 44 μF multi-layer
ceramic capacitors in the appropriate voltage rating.
Ripple and Noise is worst case measurement. Typical value is 26 mV pk-pk.
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
3
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.
A 22 μF ceramic input capacitor may be required for test purposes only. See
Embedded Power for
Business-Critical Continuity
Specifications
All specifications are typical at nominal input, full load at 25
°
C unless otherwise stated.
Rev.06.27.07
SMT12F
4 of 5
OUTPUT CURRENT (A)
14
12
10
8
6
4
2
0
0
10
20
30 40
50 60
70
80
90
TEMPERATURE (ºC)
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 (ºC)
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
V
out
+V
sense
SMT12F
V
in
C
out
= 110μF
9
8
1
6
(See note C)
R
L
O
A
D
R
trim
(for trim
down)
-V
sense
GND
Figure 3 - Typical Transient Response (source)
12 A load Step di/dt = 300 A/μs
Channel 1: Deviation on unit = 2.3%, Settling Time = 16 μs
Vin = 5 V, Vout = 1.5 V
Figure 4 - Standard Application Drawing
Notes
A
B
Derating curves represent the conditions at which internal components are
within the Artesyn derating guidelines.
Vin = 5 V, Vout = 1.5 V.
Embedded Power for
Business-Critical Continuity
Rev.06.27.07
SMT12F
5 of 5
Americas
5810 Van Allen Way
Carlsbad, CA 92008
USA
Telephone: +1 760 930 4600
Facsimile: +1 760 930 0698
0.520±0.010
[13.46±0.25]
0.580 [14.73]
0.098 [2.48]
0.250 [6.35]
Europe (UK)
0.455 [11.56]
0.470 [11.94]
TOP VIEW
0.340 [8.64]
0.630±0.010
[16.00±0.25]
7
8
9
10
BOTTOM VIEW
6 5 4 3 2 1
0.065 [1.65]
0.000 [0.00]
Waterfront Business Park
Merry Hill, Dudley
West Midlands, DY5 1LX
United Kingdom
Telephone: +44 (0) 1384 842 211
Facsimile: +44 (0) 1384 843 355
0.312 [7.93] MAX.
INSTALLED HT.
0.103 [2.60]
0.188 [4.76]
0.273 [6.92]
0.358 [9.08]
0.443 [11.24]
0.528 [13.40]
0.000 [0.00]
Asia (HK)
16th - 17th Floors, Lu Plaza
2 Wing Yip Street, Kwun Tong
Kowloon, Hong Kong
Telephone: +852 2176 3333
Facsimile: +852 2176 3888
SIDE VIEW
0.050 [1.26]
SEATING
PLANE
Dimensions in Inches (mm)
Tolerances (unless otherwise specified)
±0.005
(±0.127)
For global contact, visit:
www.powerconversion.com
technicalsupport@powerconversion.com
While every precaution has been taken to ensure
accuracy and completeness in this literature, Emerson
Network Power assumes no responsibility, and disclaims
all liability for damages resulting from use of this
information or for any errors or omissions.
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
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.
Emerson Network Power.
When the Remote ON/OFF control is active, the
The global leader in enabling
input current drawn by the regulator is significantly
business-critical continuity.
reduced. If the Remote ON/OFF pin is left open-
circuit, the module will produce an output whenever
AC Power
a valid input source is applied.
Margin-: When this input is asserted high, the
Connectivity
output voltage is decreased by 5% from the nominal.
This functions is independant of trim and sense.
DC Power
V sense +: The sense input allows the regulation
circuit to compensate for voltage drop between the
Embedded Power
module and the load. For optimal voltage accuracy
Vo Sense should be connected to Vout node of
Inbound Power
bypass capacitor. It can also be left disconnected.
Integrated Cabinet Solutions
V sense -: The VSense should be connected to the
ground of a bypass capacitor near the load or left
Outside Plant
open circuit.
+Vout: The regulated positive power output with
Precision Cooling
respect to the GND node.
Ground: This is the common ground connection for
Site Monitoring and Services
the Vin and Vout power connections. It is also the 0
Vdc reference for the control inputs.
EmersonNetworkPower. com
+Vin: The positive input voltage power node to the
module,which is referenced to common GND.
Emerson Network Power and the Emerson
Power Good: This pin indicates the status of the
Network Power logo are trademarks and
output voltage. Power Good is driven low if output
service marks of Emerson Electric Co.
voltage deviates outside of specified limits.
©2007 Emerson Electric Co.
4
may be calculated from the following formula.
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
5
6
calculated from the following formula
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.
7
8
9
10
2
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