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PDF Q48SB9R650NNFA Data sheet ( Hoja de datos )
| Número de pieza | Q48SB9R650NNFA | |
| Descripción | DC/DC Power Modules | |
| Fabricantes | Delta Electronics | |
| Logotipo |  |
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Delphi Series Q48SB, 500W Bus Converter
DC/DC Power Modules: 48V in, 9.6V/55A outwww.DataSheet4U.com
The Delphi Series Q48SB, 48V input, single output, quarter brick, 500W
bus converter is the latest offering from a world leader in power systems
technology and manufacturing -- Delta Electronics, Inc. This product
family supports intermediate bus architectures and powers multiple
downstream non-isolated point-of-load (POL) converters. The
Q48SB9R6 (5:1) operates from a nominal 48V input and provides up to
500W of power or up to 63A (@ 38Vin) of output current in an industry
standard quarter brick footprint. The Q48SB 5:1 bus converter operates
with 500W constant output power, hence when input voltage drops, the
output current will increase accordingly. Typical efficiency for the
9.6V/50A output is 96.8%. With optimized component placement,
creative design topology, and numerous patented technologies, the
Q48SB bus converter delivers outstanding electrical and thermal
performance. An optional heatsink is available for harsh thermal
requirements.
FEATURES
High Efficiency: 96.8% @9.6V/50A
Standard footprint: 58.4 x 36.8 x12.3mm
(2.30”x1.45”x0.48’’)
Industry standard pinout
Input OVP, UVLO; output OCP and OTP
1500V isolation
Basic insulation
Monotonic startup into normal load and
pre-bias loads
No minimum load required
Constant 500W output power
Parallelable for higher power output
ISO 9001, TL 9000, ISO 14001, QS9000,
OHSAS18001 certified manufacturing
facility
UL/cUL 60950 (US & Canada), and TUV
(EN60950) pending
CE mark Pending
OPTIONS
Positive On/Off logic
Heatspreader available for
extended operation
Latch mode output OCP and OTP
APPLICATIONS
Datacom / Networking
Wireless Networks
Optical Network Equipment
Server and Data Storage
Industrial/Testing Equipment
DATASHEET
DS_Q48SB9R650_07102006
1 page  
ELECTRICAL CHARACTERISTICS CURVES
Figure 8: Output voltage response to step-change in load
current (50%-75%-50% of Io, max; di/dt = 0.1A/µs). Load cap:
10µF, tantalum capacitor and 1µF ceramic capacitor. Top Trace:
Vout (200mV/div, 200us/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 (50%-75%-50% of Io,max; di/dt=1A/µs). Load cap:
10uF, tantalum capacitor and 1µF ceramic capacitor. Top Trace:
Vout (200mV/div, 200us/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
+
Cs: 220uF
ic
+
100uF,
ESR=0.2 ohm @
25oC 100KHz
Vin+
Vin-
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 below
Figure 11: Input Terminal Ripple Current, ic, at full rated output
current and nominal input voltage with 12µH source impedance
and 47µF electrolytic capacitor (1A/div, 2us/div).
DS_Q48SB9R650_07102006
5
5 Page 
MECHANICAL DRAWING (WITH HEAT SPREADER)
DS_Q48SB9R650_07102006
11
11 Page | ||
| Páginas | Total 12 Páginas | |
| PDF Descargar | [ Datasheet Q48SB9R650NNFA.PDF ] | |
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