© 2010 Fairchild Semiconductor Corporation www.fairchildsemi.com
FAN53600 / FAN53610 • Rev. 1.0.0 8
FAN53600 / FAN53610 — 3MHz, 600mA / 1A Synchronous Buck Regulator
Typical Performance Characteristics (Continued)
Unless otherwise noted, V
IN
= V
EN
= 3.6 V, V
MODE
= 0 V (AUTO Mode), and T
A
= 25°C.
0
20
40
60
80
100
0 200 400 600 800 1000
Output Ripple (mVpp)
Load Current (mA)
3.2VIN, AUTO
3.6VIN, AUTO
5.0VIN, AUTO
3.2VIN, PWM
3.6VIN, PWM
5.0VIN, PWM
0
10
20
30
40
50
0 200 400 600 800 1000
Output Ripple (mVpp)
Load Current (mA)
2.7VIN, AUTO
3.6VIN, AUTO
5.0VIN, AUTO
2.7VIN, PWM
3.6VIN, PWM
5.0VIN, PWM
Figure 22. Output Ripple vs. Load Current and Input
Voltage, V
OUT
=2.9 V, FPWM, Dotted for Auto Mode
Figure 23. Output Ripple vs. Load Current and Input
Voltage, V
OUT
=2.9 V, FPWM, Dotted for Auto Mode
0
500
1,000
1,500
2,000
2,500
3,000
3,500
0 200 400 600 800 1000
Switching Frequency (KHz)
Load Current (mA)
3.2VIN, AUTO
3.6VIN, AUTO
5.0VIN, AUTO
3.2VIN, PWM
3.6VIN, PWM
5.0VIN, PWM
0
500
1,000
1,500
2,000
2,500
3,000
3,500
0 200 400 600 800 1000
Switching Frequency (KHz)
Load Current (mA)
2.7VIN, AUTO
3.6VIN, AUTO
5.0VIN, AUTO
2.7VIN, PWM
3.6VIN, PWM
5.0VIN, PWM
Figure 24. . Frequency vs. Load Current and Input
Voltage, V
OUT
=2.9 V, Auto Mode, Dotted for FPWM
Figure 25. Frequency vs. Load Current and Input
Voltage, V
OUT
=1.82 V, Auto Mode, Dotted for FPWM
Figure 26. Load Transient, V
IN
=5 V, V
OUT
=3.3 V,
10-200-10 mA, 100 ns Edge
Figure 27. Load Transient, V
IN
=5 V, V
OUT
=3.3 V, 200-
800-200 mA, 100 ns Edge
