DDR12 Datasheet, PDF (7/11 Pages) Artesyn Technologies – Tracking Dual Output DC-DC Converters

DDR12 Series | Tracking Dual Output
DC-DC Converters
25
20
15
10
5
20 30 40 50 60 70 80
AMBIENT TEMPERATURE (ºC)
0 m/s (0 LFM)
0.5 m/s (100 LFM)
1 m/s (200 LFM)
1.5 m/s (300 LFM)
2 m/s (400 LFM)
Figure 1: Thermal Derating Curve
92
90
88
86
84
82
0
Low Line
Nom Line
High Line
20
40
60
80 100
FULL LOAD CURRENT (%)
Figure 2: Efficiency vs Load and Line
Figure 3: Typical Ripple & Noise
Channel 1: V_ddq Output Ripple,
Channel 2: V_tt Output Ripple
Figure 4: Typical Power-up
Channel 1: V_ddq Output Channel 2: V_tt Output
Channel 3: Power Good Signal
Figure 5: Transient Response 75-100% V_tt Source,
Rising Edge (Channel 2: V_tt Output Voltage Deviation,
Channel 4: Current load step at 1 A/div)
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Figure 6: Transient Response 75-100% V_tt Source,
Falling Edge (Channel 2: V_tt Output Voltage Deviation,
Channel 4: Current load step at 1 A/div)
File Name: lf_ddr12.pdf Rev: 29 Nov 2005