AN908 Datasheet, PDF (4/9 Pages) STMicroelectronics – APPLICATION NOTE

AN908 APPLICATION NOTE
Figure 2. Efficiency vs. Output Current
η%
94
92
Vo=3.3V
90
Vo=2.9V
88
86
84
82
80
78
0
2
4
6
8
10 12 14
Output Current (A)
Figure 3. Input Current
CH1: Iinput (5V) (1A/div)
CH2: Vo = 2.9V (50mV/div)
Time: 10µs/div
dIi/dt = 0.04A/µs
Figure 4. Load Transient
Io = 0.5A to 12A
CH1: Vo = 2.9V (50mV/div)
CH2: Io (5A/div)
Time: 5µs/div
Vo = 2.9V
Figure 5. Load Transient
Io = 12A to 0.5A
CH1: Vo = 2.9V (50mV/div)
CH2: Io (5A/div)
Time: 5µs/div
Vo = 2.9V
dIo/dt = 30A/µs
dIo/dt = 30A/µs
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