Diodes AP1507 - Manual (Page 8)

AP1507
150KHz, 3A PWM BUCK DC/DC CONVERTER
AP1507
Document number: DS31067 Rev. 3 - 2
8 of 12
www.diodes.com
May 2012
© Diodes Incorporated
Typical Characteristics (cont.)
-50 -30 -10 10 30 50 70 90 130 110 150
TEMPERATURE (°C)
Threshold Voltage vs. Temperature
T
H
R
ES
H
O
LD
V
O
L
T
A
G
E (
V)
1.7
1.6
1.5
0.9
0.8
1.1
1.3
1.4
1.0
1.2
V = 12V
I = 100mA
CC
O
0 3 6 9 12 15 18 21
ON/OFF VOLTAGE (V)
ON/OFF Current vs. ON/OFF Voltage
ON/
O
F
F
CURRENT
(
n
A)
10
0
-10
-90
-100
-60
-40
-30
-80
-50
-70
-20
V = 12V
IN
-50 -30 -10 10 30 50 70 90 130 110 150
TEMPERATURE (°C)
Frequency vs. Temperature
F
R
E
Q
U
EN
C
Y
(K
H
z)
170
165
160
145
140
150
155
V = 12V
I = 500mA
V = 5V
CC
O
OUT
-50 -30 -10 10 30 50 70 90 130 110 150
TEMPERATURE (°C)
Feedback Current vs. Temperature
F
EEDB
A
C
K
C
U
R
R
E
N
T
(n
A
)
10
0
-10
-40
-50
-30
-20
V = 12V
V = 5V
V = 1.3V
CC
FB
OUT
-40 -2 0 20 40 60 80 100 140 120 160
TEMPERATURE (°C)
Output Voltage vs. Temperature
V
O
L
T
AG
E O
U
T
PU
T
(
V
)
3.5
3.4
3.3
3.0
2.9
3.1
3.2
3.45
3.35
3.25
2.95
3.05
3.15
V = 12V
I = 3A
IN
O