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PDF Q48SL1R535 Data sheet ( Hoja de datos )

Número de pieza Q48SL1R535
Descripción DC/DC Power Modules
Fabricantes Delta Electronics 
Logotipo Delta Electronics Logotipo



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No Preview Available ! Q48SL1R535 Hoja de datos, Descripción, Manual

Delphi Series Q48SL, 100W Quarter Brick Familywww.DataSheet4U.com
DC/DC Power Modules: 48V in, 1.5V/35A out
The Delphi Series Q48SL Quarter Brick, 48V input, single output, isolated
DC/DC converter is the latest offering from a world leader in power system
and technology and manufacturing -- Delta Electronics, Inc. This product
family provides up to 100 watts of power or 35A of output current (2.5V and
below) in an industry standard footprint. With creative design technology
and optimization of component placement, these converters possess
outstanding electrical and thermal performances, as well as extremely high
reliability under highly stressful operating conditions. All models are fully
protected from abnormal input/output voltage, current, and temperature
conditions. The Delphi Series converters meet all safety requirements with
basic insulation.
FEATURES
High efficiency: 85% @ 1.5V/ 35A
Size: 57.9mmx36.8mmx12.7mm
(2.28”x1.45”x0.50”)
Standard footprint
Industry standard pin out
Fixed frequency operation
Metal baseplate
Input UVLO, Output OCP, OVP, OTP
Basic insulation
No minimum load required
2:1 Input voltage range
ISO 9001, TL 9000, ISO 14001, QS9000,
OHSAS18001 certified manufacturing
facility
UL/cUL 60950 (US & Canada)
Recognized, and TUV (EN60950)
Certified
CE mark meets 73/23/EEC and
93/68/EEC directives
OPTIONS
Positive On/Off logic
Short pin lengths available
APPLICATIONS
Telecom/Datacom
Wireless Networks
Optical Network Equipment
Server and Data Storage
Industrial/Testing Equipment
DATASHEET
DS_Q48SL1R535_01192007

1 page




Q48SL1R535 pdf
ELECTRICAL CHARACTERISTICS CURVES
Figure 8: Output voltage response to step-change in load
current (75%-50%-75% of Io, max; di/dt = 0.1A/µs). Load cap:
10µF, tantalum capacitor and 1µF ceramic capacitor. Top Trace:
Vout (100mV/div), Bottom Trace: Iout (10A/div). Scope
measurement should be made using a BNC cable (length
shorter than 20 inches). Position the load between 51 mm to 76
mm (2 inches to 3 inches) from the module.
Figure 9: Output voltage response to step-change in load
current (75%-50%-75% of Io, max; di/dt = 2.5A/µs). Load cap:
470µF, 35mESR solid electrolytic capacitor and 1µF ceramic
capacitor. Top Trace: Vout (100mV/div), Bottom Trace: Iout
(10A/div). Scope measurement should be made using a BNC
cable (length shorter than 20 inches). Position the load
between 51 mm to 76 mm (2 inches to 3 inches) from the
module.
is ic
Cs:220uF
ESR< 0.1
20100KHz
33uF
ESR< 0.5
20100KHz
Vi(+)
Vi(-)
Figure 10: Test set-up diagram showing measurement points
for Input Terminal Ripple Current and Input Reflected Ripple
Current.
Note: Measured input reflected-ripple current with a simulated
source Inductance (LTEST) of 12 µH. Capacitor Cs offset
possible battery impedance. Measure current as shown above.
DS_Q48SL1R535_01192007
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Q48SL1R535 arduino
THERMAL CONSIDERATIONS
Thermal management is an important part of the system
design. To ensure proper, reliable operation, sufficient
cooling of the power module is needed over the entire
temperature range of the module. Convection cooling is
usually the dominant mode of heat transfer.
Hence, the choice of equipment to characterize the
thermal performance of the power module is a wind
tunnel.
Thermal Testing Setup
Delta’s DC/DC power modules are characterized in
heated vertical wind tunnels that simulate the thermal
environments encountered in most electronics
equipment. This type of equipment commonly uses
vertically mounted circuit cards in cabinet racks in which
the power modules are mounted.
The following figure shows the wind tunnel
characterization setup. The power module is mounted
on a test PWB and is vertically positioned within the
wind tunnel. The space between the neighboring PWB
and the top of the power module is constantly kept at
6.35mm (0.25’’).
FACING PWB
PWB
MODULE
AIR VELOCITY
AND AMBIENT
TEMPERATURE
MEASURED BELOW
THE MODULE
AIR FLOW
50.8 (2.0”)
12.7 (0.5”)
Note: Wind Tunnel Test Setup Figure Dimensions are in millimeters and (Inches)
Figure 20: Wind tunnel test setup
Thermal Derating
Heat can be removed by increasing airflow over the
module. The module’s maximum case temperature is
+100°C. To enhance system reliability, the power
module should always be operated below the maximum
operating temperature. If the temperature exceeds the
maximum module temperature, reliability of the unit may
be affected.
THERMAL CURVES
Figure 21: Hot spot temperature measured point
*The allowed maximum hot spot temperature is defined at 100
Q48SL1R535(Standard) Output Current vs. Ambient Temperature and Air Velocity
Output Current(A)
40
@ Vin = 48V (Transverse Orientation, no heat sink)
35
Natural
30 Convection
100LFM
25
200LFM
20
300LFM
15
400LFM
10
500LFM
5 600LFM
0
20 25 30 35 40 45 50 55 60 65 70 75 80 85
Ambient Temperature ()
Figure 22: Q48SL1R535NR (Standard) Output current vs.
ambient temperature and air velocity@Vin=48V (Transverse
orientation, no heat sink).
DS_Q48SL1R535_01192007
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