Delta Electronics Q48SX دليل المستخدم

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FEATURES
High efficiency: 90.5% @ 3.3V/35A
Industry standard quarter brick footprint
Size: 57.9x36.8x9.5mm(2.28”x1.45”x0.37”)
(w/o heatspreader)
57.9x36.8x12.7mm(2.28”x1.45”x0.50”)
(with heatspreader)
Fixed frequency operation
Input UVLO, Output OTP, OCP, OVP
Output voltage trim +10%, -20%
Monotonic startup into normal and pre-biased
loads
Outstanding dynamic response:
30mV for 25% load step
Very low output ripple
No minimum load required
Basic insulation
Frequen

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SPECIFICATIONS GENERAL SPECIFICATIONS OUTPUT SPECIFICATIONS Input Voltage 36~75V Voltage Accuracy Typical (3.3V) ±1% Switching Frequency Typical (3.3V) 300KHz Line Regulation Typical (3.3V) ±0.05% Isolation Voltage Load Regulation In/Out 1500 Vdc Typical (3.3V) ±0.05% MTBF Bellcore (3.3V) 1.9M hours Ripple & Noise Typical (3.3V) 18 mV OTP Typical 110°C Current Limits Typical (3.3V) 110% Size (w/o heatspreader) Voltage Trim (2.28”x1.45”x0.37”) 57.9x36.8x9.5mm +10%, -20% Size (with he