SMT15F-12W1V6J - Artesyn Embedded Technologies

The SMT15F-12 series are non-isolated dc-dc converters packaged

in a surface-mount footprint giving designers a cost effective

solution for conversion from a 12 V source. The SMT15F-12 has an

input range of 7.0-13.2 Vdc and offers an output voltage range

from 0.8-3.6Vdc with a 15 A load, which allows for maximum

design flexibility and a pathway for future upgrades.

The SMT15F-12 is designed for applications that include

distributed power, workstations, optical network and wireless

applications. Implemented using state of the art surface-mount

technology and automated manufacturing techniques, the

SMT15F-12 offers compact size and efficiencies of up to 91 % at

3.3Vout.

Embedded Power for

Business-Critical Continuity

SMT15F Series

12 Vin single wide

output

Special Features

• Designed to meet ultra fast

transient requirements:

300 A/μs step load transients

• 15 A current rating

• Input voltage range:

7 Vdc to 13.2 Vdc

• Output voltage range:

0.8 Vdc to 3.6 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

• 2 year warranty

Total Power: 15.0 W

Input Voltage: 7.0-13.2 Vdc

# of Outputs: Single

Safety

UL/cUL CAN/CSA 22.2

No. E174104

UL 60950 File No. E174104

TÜV Product Service (EN60950)

Certificate No. B 04 04 38572

CB report and certificate to

IEC60950

Rev.06.29.07

SMT15F_12_WIDE

1 of 5

Rev.06.29.07

SMT15F_12_WIDE

2 of 5

Embedded Power for

Business-Critical Continuity

All specifications are typical at nominal input, full load at 25 °C unless otherwise stated Cin = 0 μF, Cout = 15 x 22 μF 6 V MLCC

Specifications

OUTPUT SPECIFICATIONS

Voltage adjustability (See Note 2) 0.8-3.6 Vdc

Setpoint accuracy ±1.2% typ.

Line regulation ±1.0% typ.

Load regulation ±1.0% typ.

Total error band ±3.0% typ.

Minimum load 0 A

Overshoot/undershoot None

Ripple and noise 5-20 MHz 40 mV pk-pk

10 mV rms

Temperature co-efficient ±0.01%/°C

Transient response di/dt 200 A/μs TBA A load step

(1.2 Vout) (See Note 3) TBA mV max. deviation

<TBA μs recovery to

within ±TBA %

Remote sense 10% Vo compensation

INPUT SPECIFICATIONS

Input voltage range 7.0-13.2 Vdc

Input current No load 130 mA

Input current (max.) 1.9 A max. @ Io max.

and Vout = 1.2 V

Input reflected ripple 100 mA rms

Remote ON/OFF (See Note 1)

Start-up time 3 ms

EMC CHARACTERISTICS

Electrostatic discharge EN61000-4-2, IEC801-2

Conducted immunity EN61000-4-6

Radiated immunity EN61000-4-3

GENERAL SPECIFICATIONS

Efficiency Vin = 12V, Vout = 3.3V 91% typ.

Insulation voltage Non-isolated

Switching frequency (See Note 4) 900 kHz typ.

Vin = 12 V, Vout = 1.5 V

Approvals and (Pending) EN60950

standards UL/cUL60950

Material flammability UL94V-0

Dimensions (LxWxH) 16.00 x 13.21 x 8.48 mm

0.63 x 0.52 x 0.334 inches

Weight 4 g (0.14 oz)

Coplanarity 100 μm

MTBF Telcordia SR-332 TBD hours

ENVIRONMENTAL SPECIFICATIONS

Thermal performance Operating ambient, -40 °C to +85 °C

(See Figure 1) temperature

Non-operating -40 °C to +125 °C

PROTECTION

Short-circuit Continuous

Thermal Automatic recovery

Rev.06.29.07

SMT15F_12_WIDE

3 of 5

Embedded Power for

Business-Critical Continuity

All specifications are typical at nominal input, full load at 25 °C unless otherwise stated Cin = 0 μF, Cout = 15 x 22 μF 6 V MLCC

Specifications

Notes

1 The SMT15F-12 features an ‘Positive Logic’ Remote ON/OFF operation. If 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 SMT15F-12:

Configuration Converter Operation

Remote pin open circuit Unit is ON

Remote pin pulled low Unit is OFF

Remote pin pulled high Unit is ON

2 The complete range of 0.8 Vdc to 3.6 Vdc is not available in a single unit. In

the SMT15F-12W1V6J the range is from 0.8 Vdc to 1.65 Vdc. In the SMT15F-

12W3V6J the coverage is from 1.66 Vdc to 3.6 Vdc. The output voltage in

both cases can be set by an external resistor. Typical values of resistence from

the E-96 range are shown in Table 1.

Trim Equation (SMT15F-12W1V6J)

Trim Equation (SMT15F-12W3V6J)

3 Output external capacitance is required for basic operation. Required

capacitance is a min. of 300 μF to meet performance parameters. This can be

made up of any combination of 22 μF or 44 μF MLCC. For best performance

they need to be very close to the SMT15 and connected by wide traces,

ideally by ground planes. The use of low ESR and low ESL components is

important.

SMT15F-12W3V6J

Part Number System with Options

Product Family

SMT = Surface Mount

Rated Output Current

15 = 15 Amps

Input Voltage

12 = 7 Vdc to 13.2 Vdc

Type of Output

S = Fixed

W = Wide

Performance

F = Enhanced/Fast Transient

Performance

OUTPUT INPUT OUTPUT OUTPUT OUTPUT EFFICIENCY REGULATION MODEL

POWER VOLTAGE VOLTAGE (2) CURRENT CURRENT (TYP.) LINE LOAD NUMBER (1,5,6)

(MAX.) (MIN.) (MAX.)

15 W 7.0-13.2 Vdc 0.8-1.65 Vdc 0 A 15 A 86 % ±1.0 % ±1.0 % SMT15F-12W1V6J

50 W 7.0-13.2 Vdc 1.66-3.6 Vdc 0 A 15 A 91 % ±1.0 % ±1.0 % SMT15F-12W3V6J

Output Voltage Range

1V6 = 0.8-1.65 Vdc

3V6 = 1.66-3.6 Vdc

Packaging Options(5)

J = Pb-free (RoHS 6/6 compliant)

Notes Contd.

4 Frequency is a function of Vin and Vout. It varies between 500 kHz and 1 MHz.

5 TSE RoHS 5/6 (non Pb-free) compliant versions may be available on special request, please

contact your local sales representative for details.

6 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.

Table 1 - E-96 Value Resistors (SMT15F-12W1V6J)

VO(V) Rtrim (KW)

0.8 5.9 K

1.0 7.5 K

1.2 9.09 K

1.5 11.5 K

1.65 12.7 K

VO(V) Rtrim (KW)

1.66 6.19 K

1.8 6.65 K

2.0 7.5 K

2.5 9.53 K

3.3 12.7 K

3.63 14.0 K

Table 1 - E-96 Value Resistors (SMT15F-12W3V6J)

Vout - 0.069688

124 10

trim -6

•

Vout - 0.139376

248 10

trim -6

•

Rev.06.29.07

SMT15F_12_WIDE

4 of 5

Embedded Power for

Business-Critical Continuity

All specifications are typical at nominal input, full load at 25 °C unless otherwise stated Cin = 0 μF, Cout = 15 x 22 μF 6 V MLCC

Specifications

Drawing to be included

in the next revision

Figure 1 - Derating Curve

Vin = 12 V, Output Voltage = 1.2 V (See Note A)

Drawing to be included

in the next revision

Figure 2 - Efficiency Plots

Notes

A The derating curve represents the conditions at which internal components

are within the Artesyn derating guidelines.

330 μF

Ceramic Min

Required

Vin Vo

Rset

0.05 W

270 μF

(Optional)

GND

Remote

ON/OFF

GND

+Vo Sense

-Vo Sense

Power

Good

I-limit

set

0.05 W

GND

Remote

on/off Trim

Vin

+ Sense

- Sense

SMT15F

Figure 4 - Standard Application

Drawing to be included

in the next revision

Figure 3 - Typical Transient Response,

(Vin = 12 V, Output Current = 1.2 V),

7.5 A Load Step Change; Slew Rate = 200 A/μs

Channel 1: Voltage Deviation = 46.8 mV; Recovery Time = 10 μs

Embedded Power for

Business-Critical Continuity

Rev.06.29.07

SMT15F_12_WIDE

5 of 5

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Network Power logo are trademarks and

service marks of Emerson Electric Co.

Emerson Network Power.

The global leader in enabling

business-critical continuity.

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Europe (UK)

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Telephone: +44 (0) 1384 842 211

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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

Dimensions in Inches (mm)

Tolerances (unless otherwise specified)

±0.010 (±0.25)

BOTTOM VIEW

TOP

VIEW

SIDE VIEW

0.630 (16.00)

0.405 (10.28)

0.554 (14.07)

0.318 (8.07)

0.225

(5.71)

0.469

(11.91)

0.076 (1.93)

0.051 (1.30)

0.138

(3.51)

0.231 (5.86)

0.520

(13.21)

0.318 (8.07)

0.051 (1.30)

0.076 (1.93)

0.334 (8.48)

543 21

CONNECTOR (9 PL)

WIDTH : 0.112 (2.85)

LENGTH : 0.062 (1.57)

Pin No. Pin Description

1+Vout: The regulated positive power output with

respect to the GND node.

2+Vout 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 an output

capacitor+ near the load. If voltage regulation is not

critical, connect this pin to +Vout (pin 1).

3-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 an output

capacitor- near the load. If voltage regulation is not

critical, connect this pin to ground (pin 9).

4Trim: The resistance between this pin and ground

(pin 9) sets the output voltage. The output voltage in

both cases is set by an external resistor.

Trim Equation (SMT15F-12W1V6J)

Trim Equation (SMT15F-12W3V6J)

Pin No. Pin Description

4Trim cond: typical values of resistence from the E-96

range are shown in Table 1 on page 2. For further

information on output voltage adjustment consult

Application Note 165.

5I-Limit Program: This pin can be used for

programming the current limit of the unit. An external

resistor must be placed from this pin to the Gnd pin. O

W can be used to set the current limit to 18 A. The

maximum current limit is 18 A and if the current limit

needs to be reduced the following formula can be used

to select the correct programming resistor for current

limit:

6Power Good: This pin indicates the status of the output

voltage. Power Good is driven low if output voltage

deviates outside of specified limits.

7Remote ON/OFF: Pulling the pin TTL low or shorting to

ground wil disable the output.

8+Vin: The positive input voltage power node to the

module, which is referenced to common GND.

9Ground: This is the common ground connection for the

Vin and Vout power connections. It is also the 0 VDC

reference for the control inputs.