AT1397A/B
Preliminary Product Information
6-Channel DC-DC Converter for DSC
Typical Characteristics (Continued )
Efficiency VS. Input Voltage
100
Vout1,2=3.3V
Iout1,2=300mA
No-Load Input Current VS. Input Voltage
1.6
1.4
95
Efficiency(%)
Vout1,2=1.8V
Iout1,2=300mA
Input Current(mA)
1.2
90
Vout3=3.0V
Iout3=300mA
1.0
CH1
CH1+CH2
85
Vout4=5.0V
Iout4=50mA
0.8
80
2.5
3.0
3.5
Input Voltage-VIN (V)
0.6
4.0
4.5
2.5
3.0
3.5
4.0
4.5
5.0
5.5
6.0
Input Voltage-VIN (V)
Reference Voltage VS. Temperature
2.305
Switching Frequency VS. Temperature
520
2.300
Switching Frequency(KHz)
510
Reference Voltage(V)
2.295
500
2.290
490
2.285
480
2.280
470
2.275
-20
0
20
40
Temperature
460
60
80
100
-20
0
20
40
Temperature
60
80
100
Maximum Duty VS. Temperature
FB Regulation Voltage VS. Temperature
0.805
96
95
94
Maximum Duty(%)
FB Regulation Voltage(V)
0.800
93
92
91
90
89
88
87
-20
0
20
40
Temperature
P-MOS
N-MOS
0.795
0.790
0.785
60
80
100
-20
0
20
40
Temperature
60
80
100
7F, No.9, Park Avenue II, Science-Based Industrial Park, Hsinchu 300,Taiwan, R.O.C.
Tel: 886-3-563-0878
Fax: 886-3-563-0879
WWW:
http://www.aimtron.com.tw
4/2/2007 REV:1.1
Email:
service@aimtron.com.tw
9
GMT [ GLOBAL MIXED-MODE TECHNOLOGY INC ]
