FAN5350_08 FAIRCHILD [Fairchild Semiconductor], FAN5350_08 Datasheet - Page 11

• Manufacturer Part Number: FAN5350_08
• Description: 3MHz, 600mA Step-Down DC-DC Converter in Chip-Scale and MLP Packaging
• Manufacturer: FAIRCHILD [Fairchild Semiconductor]

© 2007 Fairchild Semiconductor Corporation
FAN5350 Rev. 1.0.3
H scale: 20µs / div.
H scale: 1µs / div.
H scale: 20µs / div.
Typical Performance Characteristics
V
Figure 22. Fast Load Transient, No Load to Full Load
IN
= 3.6V, T
Figure 24. Fast Load Transient in CCM
A
Figure 20. Start-Up, Full Load
= 25°C, V
EN
= V
IN
, according to the circuit in Figure 1 or Figure 2, unless otherwise specified.
V
OUT(ac)
V
OUT(ac)
I
LOAD
V
I
EN, 5.0V / div.
LOAD
OUT
I
, 20mV / div.
LOAD
V
I
, 0.5A / div.
L
, 20mV / div.
SW
, 0.5A / div.
, 0.5V / div.
= 600mA
, 5V / div.
= 300mA
(Continued)
11
Figure 23. Fast Load Transient, Full Load to No Load
H scale: 10µs / div.
H scale: 1µs / div.
H scale: 20µs / div.
Figure 25. Fast Load Transient in DCM
Figure 21. Start-Up, No Load
V
V
OUT(ac)
OUT(ac)
I
LOAD
V
EN, 5.0V / div.
OUT
I
I
V
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, 20mV / div.
L
LOAD
, 20mV / div.
I
, 0.5A / div.
, 0.5A / div.
SW
LOAD
, 0.5V / div.
, 5V / div.
= 50mA
= 1mA