GE
Data Sheet
Austin LynxTMII: SMT Non-Isolated DC-DC Power Modules
2.4Vdc – 5.5Vdc input; 0.75Vdc to 3.63Vdc output; 10A Output Current
RoHS Compliant
EZ-SEQUENCE
Features
▪
Compliant to RoHS Directive 2011/65/EU and amended
Directive (EU) 2015/863
▪
Compliant to REACH Directive (EC) No 1907/2006
▪
Flexible output voltage sequencing EZ-SEQUENCETM
▪
Delivers up to 10A output current
▪
High efficiency – 95% at 3.3V full load (VIN = 5.0V)
▪
Small size and low profile:
TM
33.0 mm x 13.5 mm x 8.28 mm
(1.30 in x 0.53 in x 0.326 in)
Applications
▪
Low output ripple and noise
▪
High Reliability:
Calculated MTBF = 15.7M hours at 25oC Full-load
▪
Distributed power architectures
▪
Intermediate bus voltage applications
▪
Telecommunications equipment
▪
▪
Constant switching frequency (300 kHz)
▪
Output voltage programmable from 0.75 Vdc to 3.63Vdc
via external resistor
Servers and storage applications
▪
Line Regulation: 0.3% (typical)
▪
Networking equipment
▪
Load Regulation: 0.4% (typical)
▪
Enterprise Networks
▪
Temperature Regulation: 0.4 % (typical)
▪
Latest generation IC’s (DSP, FPGA, ASIC) and
Microprocessor powered applications
▪
Remote On/Off
▪
Remote sense
▪
Output overcurrent protection (non-latching)
▪
Wide operating temperature range (-40°C to 85°C)
▪
ANSI/UL* 62368-1 and CAN/ CSA† C22.2 No. 62368-1
Recognized, DIN VDE‡ 0868-1/A11:2017 (EN623681:2014/A11:2017
▪
ISO** 9001 and ISO 14001 certified manufacturing
facilities
Description
Austin LynxTM II SMT (surface mount technology) power modules are non-isolated DC-DC converters that can deliver up to 10A
of output current with full load efficiency of 95% at 3.3V output. These modules provide a precisely regulated output voltage
programmable via an external resistor from 0.75Vdc to 3.63Vdc over a wide range of input voltage (VIN = 2.4 – 5.5Vdc). The
Austin LynxTM II series has a sequencing feature, EZ-SEQUENCETM that enable designers to implement various types of output
voltage sequencing when powering multiple voltages on a board.
* 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
‡
February 16, 2021
©2015 General Electric Company. All rights reserved.
GE
Data Sheet
Austin LynxTMII: SMT Non-Isolated DC-DC Power Modules
2.4Vdc –5.5Vdc input; 0.75Vdc to 3.63Vdc output; 10A Output Current
Absolute Maximum Ratings
Stresses in excess of the absolute maximum ratings can cause permanent damage to the device. These are absolute stress ratings only,
functional operation of the device is not implied at these or any other conditions in excess of those given in the operations sections of
the data sheet. Exposure to absolute maximum ratings for extended periods can adversely affect the device reliability.
Parameter
Device
Symbol
Min
Max
Unit
All
VIN
-0.3
5.8
Vdc
Sequencing voltage
All
Vseq
-0.3
VIN,max
Vdc
Operating Ambient Temperature
All
TA
-40
85
°C
All
Tstg
-55
125
°C
Input Voltage
Continuous
(see Thermal Considerations section)
Storage Temperature
Electrical Specifications
Unless otherwise indicated, specifications apply over all operating input voltage, resistive load, and temperature conditions.
Parameter
Device
Symbol
Min
Typ
Max
Unit
Operating Input Voltage
Vo ≤ VIN - 0.5
VIN
2.4
⎯
5.5
Vdc
Maximum Input Current
All
IIN,max
10
Adc
Vo = 0.75Vdc
IIN,No load
25
mA
Vo = 3.3Vdc
IIN,No load
30
mA
All
IIN,stand-by
1.5
mA
Inrush Transient
All
I2t
Input Reflected Ripple Current, peak-to-peak
(5Hz to 20MHz, 1μH source impedance; VIN, min to VIN,
max, IO= IOmax ; See Test Configurations)
All
100
mAp-p
Input Ripple Rejection (120Hz)
All
30
dB
(VIN=2.4V to 5.5V, IO=IO, max )
Input No Load Current
(VIN = 5.0Vdc, IO = 0, module enabled)
Input Stand-by Current
(VIN = 5.0Vdc, module disabled)
A2s
0.1
CAUTION: This power module is not internally fused. An input line fuse must always be used.
This power module can be used in a wide variety of applications, ranging from simple standalone operation to being part of a complex
power architecture. To preserve maximum flexibility, internal fusing is not included, however, to achieve maximum safety and system
protection, always use an input line fuse. The safety agencies require a 15A, time-delay fuse (see Safety Considerations section). Based
on the information provided in this data sheet on inrush energy and maximum dc input current, the same type of fuse with a lower
rating can be used. Refer to the fuse manufacturer’s data sheet for further information.
February 16, 2021
©2015 General Electric Company. All rights reserved.
Page 2
GE
Data Sheet
Austin LynxTMII: SMT Non-Isolated DC-DC Power Modules
2.4Vdc –5.5Vdc input; 0.75Vdc to 3.63Vdc output; 10A Output Current
Electrical Specifications (continued)
Parameter
Output Voltage Set-point
Device
Symbol
Min
Typ
Max
Unit
All
VO, set
-2.0
VO, set
+2.0
% VO, set
All
VO, set
-3%
⎯
+3%
% VO, set
All
VO
0.7525
3.63
Vdc
(VIN=IN, min, IO=IO, max, TA=25°C)
Output Voltage
(Over all operating input voltage, resistive load, and
temperature conditions until end of life)
Adjustment Range
Selected by an external resistor
Output Regulation
Line (VIN=VIN, min to VIN, max)
All
⎯
0.3
⎯
% VO, set
Load (IO=IO, min to IO, max)
All
⎯
0.4
⎯
% VO, set
Temperature (Tref=TA, min to TA, max)
All
⎯
0.4
⎯
% VO, set
RMS (5Hz to 20MHz bandwidth)
All
⎯
8
15
mVrms
Peak-to-Peak (5Hz to 20MHz bandwidth)
All
⎯
25
50
mVpk-pk
Output Ripple and Noise on nominal output
(VIN=VIN, nom and IO=IO, min to IO, max
Cout = 1μF ceramic//10μFtantalum capacitors)
External Capacitance
ESR ≥ 1 mΩ
All
CO, max
⎯
⎯
1000
μF
ESR ≥ 10 mΩ
All
CO, max
⎯
⎯
5000
μF
Output Current
All
Io
0
10
Adc
Output Current Limit Inception (Hiccup Mode )
All
IO, lim
⎯
200
⎯
% Io
All
IO, s/c
⎯
3.0
⎯
Adc
(VO= 90% of VO, set)
Output Short-Circuit Current
(VO≤250mV) ( Hiccup Mode )
Efficiency
VO,set = 0.75Vdc
η
81.5
%
VIN= VIN, nom, TA=25°C
VO, set = 1.2Vdc
η
87.0
%
IO=IO, max , VO= VO,set
VO,set = 1.5Vdc
η
89.0
%
VO,set = 1.8Vdc
η
90.0
%
VO,set = 2.5Vdc
η
93.0
%
VO,set = 3.3Vdc
η
94.0
%
All
fsw
⎯
300
⎯
kHz
All
Vpk
⎯
250
⎯
mV
Switching Frequency
Dynamic Load Response
(dIo/dt=2.5A/s; VIN = VIN, nom; TA=25°C)
Load Change from Io= 50% to 100% of Io,max; 1μF
ceramic// 10 μF tantalum
Peak Deviation
Settling Time (Vo