Diodes AP1635 - Manual (Page 6)

AP1635
PWM/PFM DUAL MODE STEP-DOWN DC/DC
CONVERTER
AP1635 Rev. 4 6 of 8 FEBRUARY 2009
www.diodes.com © Diodes Incorporated
Typical Performance Characteristics
(Continued)
Line Regulation Load Regulation
-0.3
-0.2
-0.1
0.0
0.1
0.2
0.3
2.5 3 3.5 4 4.5 5
Vcc (V)
V
/ V
OU
T
(%
)
-3
-2
-1
0
1
2
3
0 200 400 600 800 1000 1200
Load (mA)
V / V
OUT
(%)
Typical Application Circuit
0.1uF
V
IN
FB
PVcc
GND
10uH
AP1635
SW
CE/SS
2.2V ~ 5.5V
B240A R2
R1 0.1uF 68uF
V
OUT
1nF
1M
SVcc
20
Ω
Ω
68u
Vout = 1
×
(1 +
R1
R2
)
R1=100K ~ 200K