Diodes AP1604 - Manual (Page 5)

AP1604A
PWM/PFM DUAL MODE STEP-DOWN DC/DC
CONVERTER
AP1604A Rev. 2 5 of 7 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 5.5
Vcc (V)
V
/ V
OU
T
(%)
-3
-2
-1
0
1
2
3
0 100 200 300 400 500 600 700 800
Load (mA)
V /
V
OUT
(%)
Typical Application Circuit
0.1uF
V
IN
FB
V
CC
GND
10uH
AP1604A
V
OUT
CE/SS
68uF
2.2V ~ 5.5V
B240A R2
R1 0.1uF 68uF
V
OUT
10nF
100nF
~
1MΩ
Vout = 1
×
(1 +
R1
R2
)
R1 = 100K ~ 200K