Delta-electronics DNQ12 User Manual

PRELIMINARY DATASHEET DS_DNQ12SIP25_07172008 FEATURES  High efficiency: 93% @ 12Vin, 3.3V/25A out  Small size and low profile: 31.8x50.8x8.50mm (1.

DS_DNQ12SIP25_07172008 10THERMAL CURVES DNQ12S0A0R25(standard) Output Current vs. Ambient Temperature and Air Velocity@ Vin =12V, Vout =2.5V (Either

DS_DNQ12SIP25_07172008 11MECHANICAL DRAWING SMD PACKAGE SIP PACKAGE

DS_DNQ12SIP25_07172008 12PART NUMBERING SYSTEM DNQ 12 S 0A0 R 25 N F A Product Series Input Voltage Numbers of Outputs Output Voltage Package Type

DS_DNQ12SIP25_07172008 2PRELIMINARY TECHNICAL SPECIFICATIONS TA = 25°C, airflow rate = 300 LFM, Vin = 10Vdc and 14Vdc, and nominal Vout unless othe

DS_DNQ12SIP25_07172008 3 ELECTRICAL CHARACTERISTICS CURVES Figure 1: Converter efficiency vs. output current (1.2V output voltage) Figure 2: Con

DS_DNQ12SIP25_07172008 4ELECTRICAL CHARACTERISTICS CURVES Figure 7: Output ripple & noise at 12Vin, 3.3V/25A out (Cout = 1μF ceramic

DS_DNQ12SIP25_07172008 5ELECTRICAL CHARACTERISTICS CURVES Figure 13: Synchronized start-up of output voltage when SEQ/ENA pins are tied toge

DS_DNQ12SIP25_07172008 6 TEST CONFIGURATIONS Vin(+)GNDBATTERYLsTO OSCILLOSCOPE1µH 150µF Min Cin Note: Input reflected ripple current is measured wi

DS_DNQ12SIP25_07172008 7FEATURES DESCRIPTIONS Remote On/Off The DNQ series power modules have a SEQ/ENA pin for remote On/Off operation in which po

DS_DNQ12SIP25_07172008 8FEATURES DESCRIPTIONS (CON.) Over-Temperature Protection The overtemperature protection consists of circuitry that provides

DS_DNQ12SIP25_07172008 9 THERMAL CONSIDERATIONS Thermal management is an important part of the system design. To ensure proper, reliable operation,