AS1339 EB austriamicrosystems, AS1339 EB Datasheet - Page 11

• Manufacturer Part Number: AS1339 EB
• Description: BOARD EVAL AS1339
• Manufacturer: austriamicrosystems

Specifications of AS1339 EB

• Main Purpose: DC/DC, Step Down with LDO
• Outputs And Type: 3, Non-Isolated
• Voltage - Output: 0.8 ~ 3.75 V, 2.85V, 2.85V
• Current - Output: 650mA
• Voltage - Input: 2.7 ~ 5.5 V
• Regulator Topology: Buck
• Frequency - Switching: 2MHz
• Board Type: Fully Populated
• Utilized Ic / Part: AS1339
• Lead Free Status / RoHS Status: Lead free by exemption / RoHS compliant by exemption
• Power - Output: -

AS1339
Datasheet - Ty p i c a l O p e r a t i o n C h a r a c t e r i s t i c s
Figure 23. DC-DC Line Regulation, V
Figure 25. DC-DC Line Regulation, V
www.austriamicrosystems.com/DC-DC_Step-Down/AS1339
Figure 21. DC-DC Efficiency vs Input Voltage;
1.53
1.52
1.51
1.50
1.49
1.48
1.47
4.5
3.5
2.5
100
90
80
70
60
4
3
2
2.7 3.05 3.4 3.75 4.1 4.45 4.8 5.15 5.5
2.7 3.05 3.4 3.75 4.1 4.45 4.8 5.15 5.5
2.7 3.05 3.4 3.75 4.1 4.45 4.8 5.15 5.5
V
V
V
OUT
OUT
OUT
= 1.5V
= 1.0V
= 3.4V
Bypass
Mode
Input Voltage (V)
Input Voltage (V)
Input Voltage (V)
PWM
Mode
OUT
OUT
Iout = 300mA
Iout = 400mA
Iout = 500mA
Iout = 600mA
Iout = 300mA
Iout = 400mA
Iout = 500mA
Iout = 600mA
Iout = 300mA
Iout = 400mA
Iout = 500mA
Iout = 600mA
vs. V
vs. V
IN
IN
;
;
Revision 1.05
Figure 26. DC-DC Line Regulation, V
Figure 22. DC-DC Line Regulation, V
Figure 24. DC-DC Line Regulation, V
1.03
1.02
1.01
0.99
0.98
0.97
4.5
3.5
2.5
2.03
2.02
2.01
2.00
1.99
1.98
1.97
4
3
2
1
2.7 3.05
2.7 3.05 3.4 3.75 4.1 4.45 4.8 5.15 5.5
2.7 3.05 3.4 3.75 4.1 4.45 4.8 5.15 5.5
V
V
V
OUT
OUT
OUT
= 1.0V
= 3.8V
= 2.0V
3.4 3.75
Input Voltage (V)
Input Voltage (V)
Input Voltage (V)
Bypass
Mode
4.1 4.45 4.8
PWM
Mode
OUT
OUT
OUT
Iout = 300mA
Iout = 400mA
Iout = 500mA
Iout = 600mA
Iout = 300mA
Iout = 400mA
Iout = 500mA
Iout = 600mA
Iout = 300mA
Iout = 400mA
Iout = 500mA
Iout = 600mA
vs. V
vs. V
vs. V
5.15 5.5
IN
IN
IN
;
;
;
11 - 25