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FEATURES
High efficiency : 95.2% @ 12V/25A Size: 57.9x36.8x11.2mm (2.28”x1.45”x0.44”) (W/o heat spreader) 57.9*36.8*12.7mm (2.28”*1.45”0.50”) (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
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 95.2% 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.
OPTIONS
Latched over current protection Positive On/Off logic Heat spreader available for extended operation.
APPLICATIONS
Telecom / Datacom Wireless Networks Optical Network Equipment Server and Data Storage Industrial / Testing Equipment
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DATASHEET DS_Q48SK12025_07012010
TECHNICAL SPECIFICATIONS
(TA=25°C, airflow rate=300 LFM, Vin=48Vdc, nominal Vout unless otherwise noted;
PARAMETER
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 CHARACTE.
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