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Q48DW3R312NRFA 데이터시트 PDF




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부품번호 Q48DW3R312NRFA 기능
기능 DC/DC Power Modules
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Q48DW3R312NRFA 데이터시트, 핀배열, 회로
FEATURES
High efficiency: 85.3% @ 1.2V/13A, 3.3V/8A
Low profile: 0.33”
Industry standard footprint and pinout
Flexible current allocation on each output
Low voltage output (O/P 1) starts up first
Fixed frequency operation
Input UVLO, Output OCP, OVP, OTP
No minimum load required
Basic insulation
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.
Delphi Series Q48DW, 45W Quarter Brick,www.DataSheet4U.com
Dual Output DC/DC Power Modules:
1.2V/13A and 3.3V/8A
The Delphi Series Q48DW Quarter Brick, 48V input, dual output,
isolated DC/DC converters are the latest offering from a world leader
in power system and technology and manufacturing Delta
Electronics, Inc. This product family provides dual positive regulated
outputs with a flexible combination of output current and power up to
45W in a very cost effective industry standard footprint. With creative
design technology and optimization of component placement, these
converters possess outstanding electrical and thermal performance,
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
Q48DW converters meet all safety requirements with basic insulation.
OPTIONS
Positive On/Off logic
Short pin lengths
Heatsink available for extended
operation
APPLICATIONS
Telecom/DataCom
Wireless Networks
Optical Network Equipment
Server and Data Storage
Industrial/Test Equipment
DATASHEET
DS_ Q48DW3R312_07202006




Q48DW3R312NRFA pdf, 반도체, 판매, 대치품
ELECTRICAL CHARACTERISTICS CURVES
Figure 5: Turn-on transient at zero load current (5ms/div).
Vin=48V. Negative logic turn on. Top Trace: Vout; 1V/div;
Bottom Trace: ON/OFF input: 5V/div
Figure 6: Turn-on transient at full rated load current (resistive
load) (5 ms/div). Vin=48V. Negative logic turn on. Top Trace:
Vout; 1V/div; Bottom Trace: ON/OFF input: 5V/div
Figure 7: Turn-on transient at zero load current (5ms/div).
Vin=48V. Positive logic turns on. Top Trace: Vout; 1V/div;
Bottom Trace: ON/OFF input: 5V/div
Figure 8: Turn-on transient at full load current (5ms/div).
Vin=48V. Positive logic turns on. Top Trace: Vout; 1V/div;
Bottom Trace: ON/OFF input: 5V/div
DS_Q48DW3R312_07202006
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Q48DW3R312NRFA 전자부품, 판매, 대치품
ELECTRICAL CHARACTERISTICS CURVES
Figure 17: Input Terminal Ripple Current-ic, at full rated
output current and nominal input voltage with 12µH source
impedance and 33µF electrolytic capacitor (500 mA/div,
2us/div).
Figure 18: Input reflected ripple current-is, through a 12µH source
inductor at nominal input voltage and rated load current (20
mA/div, 2us/div).
Vo(+)
Vo(-)
CopperStrip
10u
1u
SCOPE RESISTIV
LOAD
Figure 19: Output voltage noise and ripple measurement
test setup
Figure 20: Output voltage ripple at nominal input voltage and
rated load current (Iout1=Iout2=Full). Top trace: Vout2 (20mV/div),
Bottom trace:Vout1(20mV/div)
Load capacitance: 1µF ceramic capacitor and 10µF tantalum
capacitor. Bandwidth: 20 MHz. Scope measurements 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.
DS_Q48DW3R312_07202006
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DC/DC Power Modules

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