FAN8060 Fairchild Semiconductor, FAN8060 Datasheet - Page 7

• Manufacturer Part Number: FAN8060
• Description: The FAN8060 is a highly efficient, monolithic, currentmode, step-down synchronous regulator
• Manufacturer: Fairchild Semiconductor

© 2008 Fairchild Semiconductor Corporation
FAN8060 • Rev. 1.0.0
Typical Performance Characteristics
V
Figure 8. Load Transient Response(Step-up/down)
IN
=5V, V
V
EN(2V/div.)
V
V
I
L(
OUT
SW
OUT
V
V
I
Figure 6. PWM Operation with 1A Load
(1A/div.)
L(
SW
OUT
(1A/div.)
(2V/div.)
Figure 4. EN Startup with 1A Load
(50mV/div. AC coupled)
(2V/div.)
OUT
(2V/div.)
(2V/div.)
=2.4V, L=3.3µH, C
I
Slew rate : 2.5A/us
OUT
(500mA/div.)
[500ns/div.]
[200µs/div.]
[1ms/div.]
IN
=10µF, C
OUT
=10µF, f
S
=1.2MHz, T
7
Figure 9. Output Voltage Ripple with 1A Load
Figure 7. 2MHz Sync Operation with 1A Load
V
V
V
V
I
I
L(
V
EN(2V/div.)
V
I
L(
OUT
SW
SW
OUT
A
L(
(1A/div.)
OUT
SW
=25°C, unless otherwise noted.
(1A/div.)
(1A/div.)
(2V/div.)
(2V/div.)
Figure 5. EN Turn off with 1A Load
(2V/div.)
(10mV/div. AC coupled)
(2V/div.)
(2V/div.)
[1ms/div.]
[200ns/div.]
[500ns/div.]
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