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PDF FGSR12SR6003xA Data sheet ( Hoja de datos )
| Número de pieza | FGSR12SR6003xA | |
| Descripción | dc-dc converters deliver | |
| Fabricantes | FDK | |
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Delivering Next Generation Technology
FGSR12SR6003*A
3-14.4Vdc Input, 3A, 0.6-5.5Vdc Output
The Tomodachi Series of non-isolated dc-dc
converters deliver exceptional electrical and thermal
performance in DOSA based footprints for
Point-of-Load converters. Operating from a
3.0Vdc-14.4Vdc input, these are the converters of
choice for Intermediate Bus Architecture (IBA) and
Distributed Power Architecture applications that
require high efficiency, tight regulation, and high
reliability in elevated temperature environments with
low airflow. The Tunable Loop™ feature allows the
user to optimize the dynamic response of the
converter to match the load with reduced amount of
output capacitance leading to savings on cost and
PWB area.
The FGSR12SR6003*A converter of the Tomodachi
Series delivers 3A of output current at a tightly
regulated programmable output voltage of 0.6Vdc to
5.5Vdc. The thermal performance of the
FGSR12SR6003*A is best-in-class: No derating is
needed up to 85℃, under natural convection.
Series
Data Sheet
TBD
Applications
Intermediate Bus Architecture
Telecommunications
Data/Voice processing
Distributed Power Architecture
Computing (Servers, Workstations)
Test Equipment
Features
Compliant to RoHS EU Directive 2011/65/EU
Delivers up to 3A (16.5W)
High efficiency, no heatsink required
Negative and Positive ON/OFF logic
DOSA based
Small size: 12.2 x 12.2 x 6.25mm
(0.48 in x 0.48 in x 0.246 in)
Tape & reel packaging
Programmable output voltage from 0.6V to 5.5V
via external resistor
Tunable Loop™ to optimize dynamic output
voltage response
Power Good signal
Fixed switching frequency
Output over-current protection (non-latching)
Over temperature protection
Remote ON/OFF
Ability to sink and source current
No minimum load required
Start up into pre-biased output
UL* 60950-1 2nd Ed. Recognized, CSA† C22.2 No.
60950-1-07 Certified, and VDE‡ (EN60950-1 2nd
Ed.) Licensed (Pending)
ISO** 9001 and ISO 14001 certified
manufacturing facilities
* UL is a registered trademark of Underwriters Laboratories, Inc.
† CSA is a registered trademark of Canadian Standards Association.
‡ VDE is a trademark of Verband Deutscher Elektrotechniker e.V.
** ISO is a registered trademark of the International Organization of Standards
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Page 1 of 23
Ver 2.0 Nov. 11, 2013
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1 page  
Delivering Next Generation Technology
Series
FGSR12SR6003*A
3-14.4Vdc Input, 3A, 0.6-5.5Vdc Output
Data Sheet
Feature Specifications (Continued)
PARAMETER
NOTES
Turn-On Delay Time
Full resistive load
with Vin (module enabled, then Vin applied) From Vin=Vin(min) to 0.1*Vout(nom)
with Enable (Vin applied, then enabled)
From enable to 0.1*Vout(nom)
Rise Time (Full resistive load)
Output Voltage Overshoot
Over Temperature Protection
(See Thermal Considerations section)
From 0.1*Vout(nom) to 0.9*Vout(nom)
Ta = 25C, Vin = min to max, Iout = min
to max, with or without external
capacitance
Input Under Voltage Lockout
Turn-on Threshold
Turn-off Threshold
Hysteresis
Power Good
Overvoltage threshold for PGOOD
Undervoltage threshold for PGOOD
Pulldown resistance of PGOOD pin
Sink current capability into PGOOD pin
MIN
TYP
4
4.8
2.8
135
2.69
0.2
112.5
87.5
30
MAX
3.0
3.0
5
UNITS
ms
ms
ms
%Vout
°C
Vdc
Vdc
Vdc
%Vout
%Vout
mA
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Page 5 of 23
Ver 2.0 Nov. 11, 2013
Free Datasheet http://www.datasheet4u.com/
5 Page 
Delivering Next Generation Technology
Series
FGSR12SR6003*A
3-14.4Vdc Input, 3A, 0.6-5.5Vdc Output
Data Sheet
Characterization
Overview
The converter has been characterized for several
operational features, including efficiency, thermal
derating (maximum available load current as a
function of ambient temperature and airflow), ripple
and noise, transient response to load step changes,
start-up and shutdown characteristics.
Figures showing data plots and waveforms for
different output voltages are presented in the
following pages.
should not exceed the rated power of the module
(Vo,set x Io,max).
Note that continuous operation beyond the derated
current as specified by the derating curves may lead
to degradation in performance and reliability of the
converter and may result in permanent damage.
Thermal Considerations
Power modules operate in a variety of thermal
environments; however, sufficient cooling should
always be provided to help ensure reliable operation.
Considerations include ambient temperature, airflow,
module power dissipation, and the need for increased
reliability. A reduction in the operating temperature of
the module will result in an increase in reliability.
The thermal data presented here is based on
physical measurements taken in a wind tunnel. The
test set-up is shown in Fig-11. The preferred airflow
direction for the module is in Fig-12.
Fig-12: Preferred airflow direction and location
of hot-spot of the module (Tref).
The main heat dissipation method of this converter is
to transfer its heat to the system board. Thus, if the
temperature of the system board goes high, even
with the low ambient temperature, it may exceed the
guaranteed temperature of components.
Wind Tunnel
PWBs
25.4_
(1.0)
Power Module
76.2_
(3.0)
x
12.7_
(0.50)
Air
flow
Fig-11: Thermal test set-up
Probe Location
for measuring
airflow and
ambient
temperature
The thermal reference points, Tref used in the
specifications are also shown in Fig-12. For reliable
operation the temperature at these points should not
exceed 120oC. The output power of the module
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Page 11 of 23
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