AS1339 EB austriamicrosystems, AS1339 EB Datasheet - Page 10

• 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 17. DC-DC Efficiency vs V
Figure 19. DC-DC Efficiency vs V
www.austriamicrosystems.com/DC-DC_Step-Down/AS1339
Figure 15. DC-DC Load Regulation, V
1.83
1.82
1.81
1.80
1.79
1.78
1.77
100
100
95
90
85
80
90
80
70
60
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
1
V
OUT
= 1.8V
Iout = 300mA
Iout = 400mA
Iout = 500mA
Iout = 600mA
Output Current (mA)
Vin = 2.7V
Vin = 3.3V
Vin = 3.9V
Input Voltage (V)
Input Voltage (V)
10
Bypass
Mode
PWM
Mode
IN
IN
; V
; V
100
OUT
OUT
Iout = 300mA
Iout = 400mA
Iout = 500mA
Iout = 600mA
OUT
Vin = 3.0V
Vin = 3.6V
vs. I
= 2.0V
= 3.8V
OUT
;
1000
Revision 1.05
Figure 20. DC-DC Efficiency vs V
Figure 16. DC-DC Load Regulation, V
Figure 18. DC-DC Efficiency vs V
100
2.23
2.22
2.21
2.20
2.19
2.18
2.17
100
95
90
85
80
90
80
70
60
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
1
V
OUT
= 2.2V
Bypass
Mode
Output Current (mA)
Vin = 2.7V
Vin = 3.3V
Vin = 3.9V
Input Voltage (V)
Input Voltage (V)
10
PWM
Mode
IN
IN
; V
; V
100
OUT
OUT
OUT
Iout = 300mA
Iout = 400mA
Iout = 500mA
Iout = 600mA
Vin = 3.0V
Vin = 3.6V
Iout = 300mA
Iout = 400mA
Iout = 500mA
Iout = 600mA
vs. I
= 3.4V
= 1.5V
OUT
1000
;
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