Datasheet

    
   
SLVS132F − NOVEMBER 1995 − REVISED OCTOBER 2004
27
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APPLICATION INFORMATION
t − Time
V
GS
(2 V/div, 20 ns/div)
T
A
= 25°C
V
I
= 12 V
V
O
= 3.3 V at 5A
V
D
(5 V/div, 20 ns/div)
Figure 53. Q1 Drain Voltage vs Q2 Gate-Source Voltage
t − Time
Output Ripple Voltage (20 mV/div, 2 µs/div)
Inductor Current (1 A/div, 2 µs/div)
T
A
= 25°C
V
I
= 12 V
V
O
= 3.3 V at 3A
1
2
Figure 54. Output Ripple Voltage vs
Inductor Current, at 3 A
t − Time
Output Ripple Voltage (20 mV/div, 2 µs/div)
Inductor Current (2 A/div, 2 µs/div)
T
A
= 25°C
V
I
= 12 V
V
O
= 3.3 V at 5 A
1
2
Figure 55. Output Ripple Voltage vs
Inductor Current, at 5 A