Q48SK12025NRFH

Q48SK12025NRFH Datasheet


Delphi Series Q48SK, Quarter Brick Family DC/DC Power Modules 36~75V in, 12V/25A out, 300W

Part Datasheet
Q48SK12025NRFH Q48SK12025NRFH Q48SK12025NRFH (pdf)
Related Parts Information
Q48SK12025NRFA Q48SK12025NRFA Q48SK12025NRFA
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Delphi Series Q48SK, Quarter Brick Family DC/DC Power Modules 36~75V in, 12V/25A out, 300W

The Delphi series Q48SK12025, quarter brick, 36~75V 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 provides up to 300 watts of power in an industry standard footprint and pin out. 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. The Q48SK12025 offers more than high efficiency at 25A full load. The Q48SK12025 is fully protected from abnormal input/output voltage, current, and temperature conditions and meets all safety requirements with basic insulation.

High efficiency 12V/25A Size:
57.9x36.8x11.2mm 2.28”x1.45”x0.44” W/o heat spreader 57.9*36.8*12.7mm With heat spreader Standard footprint Industry standard pin out Fixed frequency operation Input UVLO, Output OCP, OVP, OTP Hiccup output over current protection OCP Hiccup output over voltage protection OVP Auto recovery OTP and input UVLO 2250V isolation and basic insulation No minimum load required ISO 9001, TL 9000, ISO 14001, QS9000, OHSAS18001 certified manufacturing facility UL/cUL 60950-1 US & Canada recognized

OPTIONS

Latched over voltage protection Positive On/Off logic Heat spreader available for
extended operation.

Telecom / Datacom Wireless Networks Optical Network Equipment Server and Data Storage Industrial / Testing Equipment

DATASHEET DS_Q48SK12025_08232011

TECHNICAL SPECIFICATIONS

TA=25°C, airflow rate=300 LFM, Vin=48Vdc, nominal Vout unless otherwise noted;

PARAMETER

NOTES and CONDITIONS

ABSOLUTE MAXIMUM RATINGS Input Voltage Continuous Transient Operating Hot Spot Temperature Without heat spreader Operating Case Temperature With heat spreader Storage Temperature Input/Output Isolation Voltage

INPUT CHARACTERISTICS Operating Input Voltage Input Under-Voltage Lockout Turn-On Voltage Threshold Turn-Off Voltage Threshold Lockout Hysteresis Voltage Maximum Input Current No-Load Input Current Off Converter Input Current Inrush Current I2t Input Reflected-Ripple Current Input Voltage Ripple Rejection

OUTPUT CHARACTERISTICS Output Voltage Set Point Output Voltage Regulation

Over Load

Over Line

Over Temperature

Total Output Voltage Range Output Voltage Ripple and Noise

Peak-to-Peak RMS Operating Output Current Range Output DC Current-Limit Inception DYNAMIC CHARACTERISTICS Output Voltage Current Transient Positive Step Change in Output Current Negative Step Change in Output Current Settling Time within 1% Vout nominal Turn-On Transient Start-Up Time, From On/Off Control Start-Up Time, From Input Maximum Output Capacitance EFFICIENCY 100% Load 60% Load ISOLATION CHARACTERISTICS Input to Output Isolation Resistance Isolation Capacitance FEATURE CHARACTERISTICS Switching Frequency ON/OFF Control, Negative Remote On/Off logic Low Module On Logic High Module Off ON/OFF Control, Positive Remote On/Off logic Low Module Off Logic High Module On/OFF Current for both remote on/off logic Leakage Current for both remote on/off logic Output Over-Voltage Protection GENERAL SPECIFICATIONS MTBF with heat spreader Weight without heat spreader Weight with heat spreader Over-Temperature Shutdown Without heat spreader Over-Temperature Shutdown With heat spreader
100ms Refer to figure 18 for measuring point Refer to figure 20 for measuring point
100% Load, 36Vin Vin=48V, Io=0A Vin=48V, Io=0A

P-P thru 12µH inductor, 5Hz to 20MHz 120 Hz

Vin=48V, Io=0, Tc=25°C Vin=48V, Io=Io,min to Io,max

Vin=36V to 75V, Io=Io min Vin=48V, Tc=-40°C to 85°C over sample load, line and temperature 5Hz to 20MHz bandwidth Full Load, 1µF ceramic, 10µF tantalum Full Load, 1µF ceramic, 10µF tantalum

Output Voltage 10% Low 48V, 10µF Tan & 1µF Ceramic load cap, 0.1A/µs
50% Io.max to 75% Io.max 75% Io.max to 50% Io.max

Low ESR CAP OSCON , 100% load Vin=48V Vin=48V

Von/off at Ion/off=1.0mA Von/off at Ion/off=0.0 µA Von/off at Ion/off=1.0mA Von/off at Ion/off=0.0 µA Ion/off at Von/off=0.0V Logic High, Von/off=15V Over full temp range % of nominal Vout Io=100% of Io, max Tc=40°C;Airflow=600LFM

Refer to figure 18 for measuring point Refer to figure 20 for measuring point

Q48SK12025 Standard

Min.

Typ.

Max.

Units
2250
6000
2250
1000

M hours
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Datasheet ID: Q48SK12025NRFH 508536