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Astec Conventional Power
15 Watts
AK42A Dual
Total Power: Input Voltages: No. of Outputs:
15 Watts 48V, 24 VDC Dual
Electrical Specs
Input
Input Range: Maximum Inrush Current Limit: Maximum External Capacitor to Limit Inrush Current to 1.0 A: Low Input Shutdown: Auto Recovery: Hysteresis: 36 to 75 VDC for 48V 18 to 36 VDC for 24V 1.0 A Max.
Special Features
* 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
Efficiency: Enable: Disable:
4.0mF 34.0 +/- 2.0 V for 48V 17.0V +/- 1.0V for 24 V 37.0V +/- 2.0 V for 48V 18.5V +/- 1.0 V for 24V 3 V +/- 1 V for 48V 1.5V +/- 0.5V for 24V 85% Open Circuit or up to 0.5V max. 4V min., 75V max.
Output
Voltage Tolerance: Noise/Ripple: Output Voltage Adjust Range: Output Voltage Protection Short Circuit Protection Switching Frequency: 3% for single output 5% for dual output 75mV rms max. 10% for single output dual output non adjustable Self-limiting Clamp, 140% max. Continuous Auto Start 200kHz nominal
Environmental
Operating ambient temperature range: -40 to +75 C (no derating) Cooling method: Convection MTBF: 7.5 MHrs Storage temperature: -55 to +125 C
Safety
UL IEC CSA CB 1950 950 C22.2-9.50 52719-106
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America's (USA): 1-888-41-ASTEC
Europe (UK): 44 (1384) 842-211
Asia (HK): 852-2437-9662
AMERICAS 5810 Van Allen Way Carlsbad, CA 92008 Telephone: 760-930-4600 Facsimile: 760-930-0698
EUROPE Astec House, Waterfront Business Park Merry Hill, Dudley West Midlands, DY5 1LX, UK Telephone: 44 (1384) 842-211 Facsimile: 44 (1384) 843-355
ASIA Units 2111-2116, Level 21 Tower1, Metroplaza 223, Hing Fong Road Fwai Fong, New Territories Hong Kong Telephone: 852-2437-9662 Facsimile: 852-2402-4426
AK42A
Ordering Information
Input Voltage Output 1 Voltage Output 2 Voltage Maximum Power Model Number
Dual Output- 15 Watts Total Output Power 18-36 18-36 36-75 36-75 3.3V 5V 3.3V 5V 2.5V 3.3V 2.5V 3.3V
3.18 (0.125)
13.2W/10W 15W/13.2W 13.2W/10W 15W/13.2W
AK42A-024L-033D025SM AK42A-024L-050D033SM AK42A-048L-033D025SM AK42A-048L-050D033SM
Pin Assignments
Dual Output 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. 15. 16. 17. 18. 19. 20. 21. 22. 23. 24. 25. 26. 27. 28. 29. 30. NC V out 1 V out 1 V out 1 V out 1 V out 2 V out 2 V out 2 V out 2 GND GND GND GND GND Reserved +V in +V in CAP CAP Inrush - consult TRN CAP Inrush - consult TRN CAP Inrush - consult TRN CAP Inrush - consult TRN CAP Inrush - consult TRN CAP Inrush - consult TRN CAP Inrush - consult TRN Reserved / NC Shutdown -V in -V in -V in
12.70 MAX (.500)
47.90 (1.886) 49.12 (1.934) 50.8 (2.00) 35.43 (1.395
2.97 (0.117)
30
6.34 (0.250)
1
38.10 (1.500) 39.6 (1.56) 30.63 (1.206)
1.27 REF (0.050)
16
15
2.54 TYP (0.100
1.27 TYP (0.050)
48.01 (1.890)
2.54 TYP (0.100) NOTES: 1. All dimensions in mm and (inches) 2. Basic Tolerances: .X 0.05 (0.02) .XX 0.25 (0.010)
3.56 TYP (0.140)
Maximum Weight:
Dual Output:
Derating Curve (T
30 grams
Astec Conventional Power
ref
<105C)
Output Power/Max. Rated Output Power
Notes:
1. All specifications are typical at nominal input and full load unless otherwise noted. 2. Specification subject to change without notice. 3. Mechanical drawings for reference only. 4. Minimum Load: 0.2 A (min 15%). 5. Max. Capacitive Load: 330 m. 6. Warranty: 1 yr
1.1 1 0.9 0.8 0.7 0.6 0.5 0.4 0.3 0.2 0.1 0 20 30 40 50 60 70 80 90 100 110 Free Convection (50LFM) 200LFM 400LFM 600LFM
Ambient Temperature (C) Tref between pins 26&27
www.astec.com
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