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AK42A Datasheet(PDF) 1 Page - Astec America, Inc |
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AK42A Datasheet(HTML) 1 Page - Astec America, Inc |
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1 / 2 page  Special Features Electrical Specs 15 Watts AK42A Dual • Surface mount • High power density 15W/Cu. in. • Full power capability without external heat sink • Input differential and common mode filtering • Hot insertable with inrush current limit • Ability to limit inrush current in an external input capacitor • Input undervoltage lockout with hysteresis • Output overvoltage protection • Remote shutdown • Loadsharing on dual outputs Operating ambient temperature range: -40 to +75° C (no derating) Cooling method: Convection MTBF: 7.5 MHrs Storage temperature: -55 to +125 C UL 1950 IEC 950 CSA C22.2-9.50 CB 52719-106 Input Input Range: 36 to 75 VDC for 48V 18 to 36 VDC for 24V Maximum Inrush Current Limit: 1.0 A Max. Maximum External Capacitor to Limit Inrush Current to 1.0 A: 4.0mF Low Input Shutdown: 34.0 +/- 2.0 V for 48V 17.0V +/- 1.0V for 24 V Auto Recovery: 37.0V +/- 2.0 V for 48V 18.5V +/- 1.0 V for 24V Hysteresis: 3 V +/- 1 V for 48V 1.5V +/- 0.5V for 24V Efficiency: 85% Enable: Open Circuit or up to 0.5V max. Disable: 4V min., 75V max. Output Voltage Tolerance: ± 3% for single output ± 5% for dual output Noise/Ripple: 75mV rms max. Output Voltage Adjust Range: ±10% for single output dual output non adjustable Output Voltage Protection Self-limiting Clamp, 140% max. Short Circuit Protection Continuous Auto Start Switching Frequency: 200kHz nominal Environmental Total Power: 15 Watts Input Voltages: 48V, 24 VDC No. of Outputs: Dual Safety America’s (USA): 1-888-41-ASTEC Europe (UK): 44 (1384) 842-211 Asia (HK): 852-2437-9662 68 W9959_02_DCDC_001-073_73 2/8/02 3:56 PM Page 68 |
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