AP1522
Step-Up DC/DC Converter
Typical Performance Characteristics
Frequency v.s. Temperature
Vin=5V; Vout=15V
1000
900
800
700
600
500
400
300
200
100
0
-40
10
60
o
Feedback Voltage v.s. Temperature
Vin=5V; Vout=15V
1.26
Feedback Voltage (V)
110
Frequency (KHz)
1.25
1.24
1.23
1.22
-40
10
60
o
110
Temperature ( C)
Temperature ( C)
Supply Current v.s. Temperature
Vin=5V; Vout=15V; Iout=0A
3
Supply Current v.s. Supply Voltage
Vout=15V; Iout=0A
3
2.5
Supply Current (mA)
2.5
Supply Current (mA)
2
1.5
1
0.5
0
-40
2
1.5
1
0.5
0
Temperature ( C)
10
o
60
110
0
5
10
15
Supply Voltage (V)
Efficiency v.s. Output Current
Vin=5V; Vout=15V
90
85
Efficiency v.s. Output Current
Vin=3.3V; Vout=15V
85
Efficiency (%)
80
Efficiency (%)
75
65
75
70
0
55
Output Current (mA)
20
40
60
0
20
40
60
Output Current (mA)
Anachip Corp.
www.anachip.com.tw
6/8
Rev. 1.0
May. 5, 2005
ANACHIP [ ANACHIP CORP ]
