VOUT = 5 V | ƒSW = 2100 kHz (AUTO) |
Figure 9-8 Efficiency
VOUT = 5
V |
ƒSW = 400 kHz
(AUTO) |
Figure 9-10 Efficiency
VOUT = 5
V |
ƒSW = 2100 kHz
(AUTO) |
Figure 9-12 Line and Load Regulation
VIN = 13.5
V |
ƒSW = 2100 kHz
(AUTO) |
Figure 9-14 Switching Frequency versus Output CurrentFigure 9-16 Dropout Voltage versus Output Current for -1% Drop Figure 9-18 Input
Supply Current versus Output Current
0 A to 3.25 A, 2 µs |
VOUT
= 5 V |
ƒSW
= 400 kHz |
Figure 9-20 Load
Transient
0 A to 3.25 A, 2 µs |
VOUT
= 5 V |
ƒSW
= 2100 kHz |
Figure 9-22 Load
Transient
VOUT
= 5 V |
ƒSW
= 400 kHz |
AUTO |
1 A to 3.25 A,
2 µs |
Figure 9-24 Load
Transient
VOUT = 3.3
V |
ƒSW = 2100 kHz
(AUTO) |
Figure 9-9 Efficiency
VOUT = 3.3
V |
ƒSW = 400 kHz
(AUTO) |
Figure 9-11 Efficiency
VOUT = 3.3
V |
ƒSW = 2100 kHz
(AUTO) |
Figure 9-13 Line and Load Regulation
VOUT = 3.3
V |
ƒSW = 2100 kHz
(FPWM) |
Figure 9-15 Switching Frequency vs Input VoltageFigure 9-17 Dropout Voltage versus Output Current to 1.85 MHz Figure 9-19 Input
Supply Current versus Output Current
0 A to 3.25 A, 2 µs |
VOUT
= 3.3 V |
ƒSW
= 400 kHz |
Figure 9-21 Load
Transient
0 A to 3.25 A, 2 µs |
VOUT
= 3.3 V |
ƒSW
= 2100 kHz |
Figure 9-23 Load
Transient
VOUT
= 3.3 V |
ƒSW
= 400 kHz |
AUTO |
1 A to 3.25 A,
2 µs |
Figure 9-25 Load
Transient
Table 9-3 BOM for Typical Application
Curves
VOUT(1) |
FREQUENCY |
OUTPUT CURRENT |
COUT |
L |
U1 |
3.3 V |
400 kHz |
3.25 A |
3 × 22 µF |
6.8 µH, 22 mΩ |
LM63635D |
3.3 V |
2100 kHz |
3.25 A |
3 × 22 µF |
1.5 µH, 10 mΩ |
LM63635D |
5 V |
400 kHz |
3.25 A |
3 × 22 µF |
6.8 µH, 22 mΩ |
LM63635D |
5 V |
2100 kHz |
3.25 A |
3 × 22 µF |
1.5 µH, 10 mΩ |
LM63635D |
(1) The values
in this table were selected to enhance certain performance criteria and may not
represent typical values.