SLIN-12F1A0 BEL [Bel Fuse Inc.], SLIN-12F1A0 Datasheet

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SLIN-12F1A0

Manufacturer Part Number
SLIN-12F1A0
Description
2.4 Vdc - 5.5 Vdc Input, 0.6 Vdc - 3.63 Vdc /12 A Output
Manufacturer
BEL [Bel Fuse Inc.]
Datasheet
Features
Applications
Description
The SLIN-12F1Ax series of power modules are non-isolated dc/dc converters that can deliver up to 12A of output
current. These modules operate over a wide range of input voltage (V
precisely regulated output voltage from 0.6Vdc to 3.63Vdc, programmable via an external resistor.
include remote On/Off, adjustable output voltage, over current protection, and over temperature protection. A
new feature, the Tunable Loop
load with reduced amount of output capacitance leading to savings on cost and PWB area.
Part Selection
Notes: Add “G” suffix at the end of the model number to indicate Tray Packaging.
Part Number Explanation
S LIN – 12 F 1A 0
1
1---Surface mount
2---Series code
3---Output current (12A)
January 13, 2011
0.6 Vdc - 3.63 Vdc
Output Voltage
NON-ISOLATED DC/DC CONVERTERS
2.4 Vdc - 5.5 Vdc Input, 0.6 Vdc - 3.63 Vdc /12 A Output
Wide Input Voltage Range
Output Voltage Programmable
Fixed Switching Frequency
Remote On/Off
Remote Sense
Tunable Loop
Class 1, Category 2, Non-Isolated DC/DC Converter (refer to IPC-9592)
Compliant to RoHS EU Directive 2002/95/EC
UL* 60950-1 Recognized, CSA
VDE
2
SLIN-12F1Ax
Distributed power architectures
Intermediate bus voltage applications
Telecommunications equipment
Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 • Tel 201-432-0463 • Fax 201-432-9542 •
output voltage response
0805:2001-12 (EN60950-1) Licensed
3 4
5
TM
(a registered trademark of Lineage Power Systems) to Optimize Dynamic
6
2.4 Vdc - 5.5 Vdc
Input Voltage
RoHS Compliant
TM
, allows the user to optimize the dynamic response of the converter to match the
4--- Wide input voltage range (2.4-5.5V)
5--- Wide output voltage range (0.6-3.63V)
6--- Enable, active high, change “0” to “L” means active low
C22.2 No. 60950-1-03 Certified
Max. Output
Over Temperature Protection
Output Over Current Protection
Ability to Sink and Source Current
Cost Efficient Open Frame Design
Flexible Output Voltage Sequencing
Current
12 A
Servers and storage applications
Networking equipment
Industrial equipment
Bel Power Inc., a subsidiary of Bel Fuse Inc.
Rev.A
Efficiency
Typical
92.7%
Model Number
SLIN-12F1A0
IN
Active High
= 2.4Vdc-5.5Vdc) and provide a
www.belfuse.com
Model Number
SLIN-12F1AL
Active Low
Features
1

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SLIN-12F1A0 Summary of contents

Page 1

... Typical Current Efficiency 12 A 92.7% 4--- Wide input voltage range (2.4-5.5V) 5--- Wide output voltage range (0.6-3.63V) 6--- Enable, active high, change “0” to “L” means active low = 2.4Vdc-5.5Vdc) and provide a IN Features Model Number Model Number Active High Active Low SLIN-12F1A0 SLIN-12F1AL www.belfuse.com 1 ...

Page 2

NON-ISOLATED DC/DC CONVERTERS 2.4 Vdc - 5.5 Vdc Input, 0.6 Vdc - 3.63 Vdc /12 A Output January 13, 2011 Absolute Maximum Ratings Parameter Continuous Input Voltage Sequencing Voltage Operating Ambient Temperature Storage Temperature Note: Stresses in excess of the ...

Page 3

NON-ISOLATED DC/DC CONVERTERS 2.4 Vdc - 5.5 Vdc Input, 0.6 Vdc - 3.63 Vdc /12 A Output January 13, 2011 Output Specifications Parameter Output Voltage Set Point Output Voltage Adjustment Range Remote Sense Range Output Regulation (for V ≥ 2.5Vdc) ...

Page 4

NON-ISOLATED DC/DC CONVERTERS 2.4 Vdc - 5.5 Vdc Input, 0.6 Vdc - 3.63 Vdc /12 A Output January 13, 2011 General Specifications Parameter Efficiency Vo=0.6V Vo=1.2V Vo=1.8V Vo=2.5V Vo=3.3V Switching Frequency Over Temperature Protection Sequencing Delay time Tracking Accuracy Power-Up: ...

Page 5

NON-ISOLATED DC/DC CONVERTERS 2.4 Vdc - 5.5 Vdc Input, 0.6 Vdc - 3.63 Vdc /12 A Output January 13, 2011 Efficiency Data Vin=2.4V 75 Vin=3. OUTPUT CURRENT, I Vo=0.6V 100 95 90 ...

Page 6

NON-ISOLATED DC/DC CONVERTERS 2.4 Vdc - 5.5 Vdc Input, 0.6 Vdc - 3.63 Vdc /12 A Output January 13, 2011 Thermal Derating Curves (400LFM AMBIENT TEMPERATURE, T Vo=0. ...

Page 7

NON-ISOLATED DC/DC CONVERTERS 2.4 Vdc - 5.5 Vdc Input, 0.6 Vdc - 3.63 Vdc /12 A Output January 13, 2011 Ripple and Noise Waveforms TIME, t (1μs/div) Vin=5V, Vo=0.6V Io,max TIME, t (1μs/div) Vin=5V, Vo=1.8V Io,max ...

Page 8

NON-ISOLATED DC/DC CONVERTERS 2.4 Vdc - 5.5 Vdc Input, 0.6 Vdc - 3.63 Vdc /12 A Output January 13, 2011 . Transient Response Waveforms TIME, t (20μs /div) Transient Response to Dynamic Load Change from 0% to 50% to 0%. ...

Page 9

NON-ISOLATED DC/DC CONVERTERS 2.4 Vdc - 5.5 Vdc Input, 0.6 Vdc - 3.63 Vdc /12 A Output January 13, 2011 Startup Time TIME ms/div) Start-up Using On/Off Voltage (I TIME ms/div) Start-up Using On/Off Voltage (I ...

Page 10

NON-ISOLATED DC/DC CONVERTERS 2.4 Vdc - 5.5 Vdc Input, 0.6 Vdc - 3.63 Vdc /12 A Output January 13, 2011 Startup Time (continued) TIME ms/div) Start-up Using Input Voltage (V Vo=0.8V TIME ms/div) Start-up Using Input ...

Page 11

NON-ISOLATED DC/DC CONVERTERS 2.4 Vdc - 5.5 Vdc Input, 0.6 Vdc - 3.63 Vdc /12 A Output January 13, 2011 Test Configurations Input Reflected Ripple Current Test Setup. TO OSCILLOSCOPE NOTE: Measure input reflected ripple current with a simulated Output ...

Page 12

... Output Voltage (Vdc) Output Filtering The SLIN-12F1Ax modules are designed for low output ripple voltage and will meet the maximum output ripple specification with 0.1 µF ceramic and 10 µF ceramic capacitors at the output of the module. However, additional output filtering may be required by the system designer for a number of reasons. First, there may be a need to further reduce the output ripple and noise of the module ...

Page 13

... Active High Signal High (Unit On) The SLIN-12F1Ax modules feature an On/Off pin for remote On/Off operation. Two On/Off logic options are available. In the Positive Logic On/Off option, the module turns ON during a logic High on the On/Off pin and turns OFF during a logic Low. With the Negative Logic On/Off option, the module turns OFF during logic High and ON during logic Low ...

Page 14

NON-ISOLATED DC/DC CONVERTERS 2.4 Vdc - 5.5 Vdc Input, 0.6 Vdc - 3.63 Vdc /12 A Output January 13, 2011 Fig. A VIN+ MODULE 20K 470 I ON/OFF Q2 ON/OFF + Q1 V 20K ON/OFF _ GND Over Current Protection ...

Page 15

... January 13, 2011 Output Voltage Programming The output voltage of the SLIN-12F1Ax module can be programmed to any voltage from 0.6dc to 3.63Vdc by connecting a resistor between the Trim and GND pins of the module. voltage set point depending on the input voltage. These are shown in the Output Voltage vs. Input Voltage Set Point Area plot in the figure below ...

Page 16

... Startup into Pre-biased Output The SLIN-12F1Ax modules can start into a prebiased output as long as the prebias voltage is 0.5V less than the set output voltage. Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 • Tel 201-432-0463 • Fax 201-432-9542 • ...

Page 17

... Vdc - 5.5 Vdc Input, 0.6 Vdc - 3.63 Vdc /12 A Output January 13, 2011 Output Voltage Sequencing The SLIN-12F1Ax modules include a sequencing feature that enables users to implement various types of output voltage sequencing in their applications. This is accomplished via an additional sequencing pin. When not using the sequencing feature, either tie the SEQ pin to V When an analog voltage is applied to the SEQ pin, the output voltage tracks this voltage until the output reaches the set-point voltage ...

Page 18

... Vdc - 5.5 Vdc Input, 0.6 Vdc - 3.63 Vdc /12 A Output January 13, 2011 TM Tunable Loop The SLIN-12F1Ax modules have a new feature that optimizes transient response of the module called Tunable TM Loop . External capacitors are usually added to the output of the module for two reasons: to reduce output ripple and noise and to reduce output voltage deviations from the steady-state value in the presence of dynamic load current changes ...

Page 19

NON-ISOLATED DC/DC CONVERTERS 2.4 Vdc - 5.5 Vdc Input, 0.6 Vdc - 3.63 Vdc /12 A Output January 13, 2011 TM Tunable Loop (continued) Table 3 .Recommended values of R with Vin=5V. 3.3V Vo 1x47μF 330μF Polymer Co + 330μF ...

Page 20

NON-ISOLATED DC/DC CONVERTERS 2.4 Vdc - 5.5 Vdc Input, 0.6 Vdc - 3.63 Vdc /12 A Output January 13, 2011 Thermal Considerations Power modules operate in a variety of thermal environments; however, sufficient cooling should always be provided to help ...

Page 21

NON-ISOLATED DC/DC CONVERTERS 2.4 Vdc - 5.5 Vdc Input, 0.6 Vdc - 3.63 Vdc /12 A Output January 13, 2011 Example Application Circuit Requirements: Vin: 3.3V Vout: 1.8V Iout: 9A max., worst case load transient is from ...

Page 22

NON-ISOLATED DC/DC CONVERTERS 2.4 Vdc - 5.5 Vdc Input, 0.6 Vdc - 3.63 Vdc /12 A Output January 13, 2011 Mechanical Outline Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 • Tel 201-432-0463 • Fax 201-432-9542 • ...

Page 23

NON-ISOLATED DC/DC CONVERTERS 2.4 Vdc - 5.5 Vdc Input, 0.6 Vdc - 3.63 Vdc /12 A Output January 13, 2011 Mechanical Outline (continued) Recommended Pad Layout Dimensions are in millimeters and (inches). Tolerances: x.x mm ± 0.5 mm (x.xx in. ...

Page 24

... NON-ISOLATED DC/DC CONVERTERS 2.4 Vdc - 5.5 Vdc Input, 0.6 Vdc - 3.63 Vdc /12 A Output January 13, 2011 Packaging Details The SLIN-12F1Ax modules are supplied in tape & reel as standard. All Dimensions are in millimeters and (in inches). Reel Dimensions: Outside Dimensions: 330.2 mm (13.00’’) Inside Dimensions: 177.8 mm (7.00”) Tape Width: 44.00 mm (1.73” ...

Page 25

... Surface Mount Information Pick and Place The SLIN-12F1Ax modules use an open frame construction and are designed for a fully automated assembly process. The modules are fitted with a label designed to provide a large surface area for pick and place operations. The label meets all the requirements for surface mount processing, as well as safety standards, and is able to withstand reflow temperatures 300 number and serial number ...

Page 26

... Vdc - 5.5 Vdc Input, 0.6 Vdc - 3.63 Vdc /12 A Output January 13, 2011 MSL Rating The SLIN-12F1Ax modules have a MSL rating of 2. Storage and Handling The recommended storage environment and handling procedures for moisture-sensitive surface mount packages is detailed in J-STD-033 Rev. A (Handling, Packing, Shipping and Use of Moisture/Reflow Sensitive Surface Mount Devices) ...

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