User guide

AP6714
1.8MHz SYNCHRONOUS BOOST CONVERTER
AP6714
Document number: DS31490 Rev. 5 - 2
4 of 11
www.diodes.com
April 2011
© Diodes Incorporated
Typical Operating Characteristics
125
150
175
200
225
250
275
300
0.9 1.5 1.8 2.4 3 3.6 4.2 5
INPUT VOLTAGE (V)
Fig. 1 Supply Current vs. Input Voltage
100
S
U
P
P
L
Y
C
U
R
R
E
N
T
(
A
)
μ
-40 -25 25 85 125
TEMPERATURE ( C)
Fig. 2 Supply Current vs. Temperature
°
125
150
175
200
225
250
275
300
100
S
U
P
P
L
Y
C
U
R
R
E
N
T
(
A
)
μ
V = 2.4V
IN
V = 3.6V
IN
0
0.2
0.4
0.6
0.8
1
1.2
1.4
-40
25 105 125
TEMPERATURE ( C)
Fig. 3 Stand-by Current vs. Temperature
°
ST
A
ND-B
Y
C
U
R
R
ENT (
A
)
μ
V = 1.5V
IN
V = 3.0V
IN
1700
1750
1800
1850
1900
1950
2000
2050
-40 -25 25 85 105 125
TEMPERATURE ( C)
Fig. 4 Frequency vs. Temperature
°
F
R
E
Q
UEN
C
Y
(KHz)

81
82
83
84
85
86
87
88
-40 -25 25 85 105 125
TEMPERATURE ( C)
Fig. 5 Max Duty vs. Temperature
°
M
A
X
DUT
Y
(
%
)
1.19
1.2
1.21
1.22
1.23
1.24
1.25
1.26
-40 -25 25 105 125
V (V)
REF
TEMPERATURE ( C)
Fig. 6 V vs. Temperature
°
REF
V = 1.8V
IN
V = 3.6V
IN
V = 5.5V
I = 10mA
OUT
OUT