Delta Electronics Q48DM دليل المستخدم

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FEATURES
High efficiency: 88.5% @ 3.3V/12A &
1.2V/25A
Size: 57.9mm×36.8mm×9.7 mm
(2.28” ×1.45” ×0.38”)
Industry standard footprint and pinout
Flexible current allocation on each output
Low voltage output (O/P 2) starts up first
Output 2 can be adjusted (trim)
Fixed frequency operation
Input UVLO, Output OCP, OVP, OTP
No minimum load required
1500V Isolation and basic insulation
ISO 9001, TL 9000, ISO 14001, QS9000,
OHSAS18001 certified manufacturing
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SPECIFICATIONS GENERAL SPECIFICATIONS OUTPUT SPECIFICATIONS Input Voltage 36~75V Voltage Accuracy Typical ±1.5% Switching Frequency Typical (3.3V) 350KHz Line Regulation Typical ±0.5% Isolation Voltage In/Out 1500V Load Regulation Typical ±1.5% Isolation Capacitance Typical 1500 pF Ripple & Noise Typical 50 mV Isolation Resistance Minimum 10M Ohms Current Limits Typical 140% MTBF Bellcore (3.3V) TBD Over Voltage Typical 135% Size (2.28” ×1.45” ×0.38”) 57.9 x 36.8 x 9.7 mm Voltage Trim