S15-48-12 Datasheet, PDF (11/12 Pages) Broadband TelCom Power, Inc. – 48Vin 12Vout 1.25A

Technical Specification
S15-48-12
48Vin 12Vout 1.25A
BTCPower ^{T M}
Dynamic Response Waveform
Thermal De-Rating Curve
2
Fig 12. Dynamic response of load step at Vin=48v, Ch1:
output voltage change(100mv/div), Ch2: output current step
of 50%-75%-50% (0.5A/div). Current slew rate:0.1A/µs,
Co=10µF tantalum capacitor + 1µF Ceramic capacitor, time
scale: 1ms/div
Output Ripples and Noise Waveform
1
0LFM
100FM(0.5m/s)
200LFM(1m/s)
0
50 55 60 65 70 75 80
Ambient Temperature(°C)
Fig 14. Maximum output current vs. temperature. Both the
input and output voltages are nominal.
Over Current Protection Curve
Fig13. Output voltage Ripple & Noise at Vin=48v, Iout=1.25A
Co=10µF tantalum capacitor + 1µF Ceramic capacitor, ch1:
20mV/div, time scale: 1µs/div.
Fig 15. Output voltage vs current showing current limit point
and converter shut down point
Broadband TelCom Power, Inc. – 1719 S. Grand Avenue, Santa Ana, CA 92705 U.S.A. P 11 of 12
Tel.: [phone] • Fax: [phone] • www.btcpower.com • Email: [e-mail] PS S15-48-12 Rev4.2 21-1-05