AS1339 EB austriamicrosystems, AS1339 EB Datasheet - Page 8

• 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
7 Typical Operation Characteristics
Figure 5. DC-DC Efficiency vs. V
Figure 7. DC-DC REFIN vs. V
www.austriamicrosystems.com/DC-DC_Step-Down/AS1339
Figure 3. DC-DC Efficiency vs. V
100
1.6
1.4
1.2
0.8
0.6
0.4
0.2
100
95
90
85
80
75
70
65
60
95
90
85
80
75
70
65
60
1
0.6
0.6
0.6
1
1
1
1.4
1.4
1.4
Output Voltage (V)
Output Voltage (V)
Output Voltage (V)
1.8
1.8
1.8
2.2
2.2
2.2
OUT
2.6
OUT
OUT
2.6
2.6
; R
; R
LOAD
; R
Bypass Mode
Bypass Mode
3
3
3
LOAD
LOAD
Vin = 2.7V
Vin = 3.0V
Vin = 3.3V
Vin = 3.6V
Vin = 3.9V
Vin = 2.7V
Vin = 3.0V
Vin = 3.3V
Vin = 3.6V
Vin = 3.9V
Vin = 2.7V
Vin = 3.0V
Vin = 3.3V
Vin = 3.6V
Vin = 3.9V
= 7.5Ω
3.4
3.4
3.4
= 5Ω
= 10Ω
3.8
3.8
3.8
Revision 1.05
Figure 8. DC-DC REFIN vs. V
Figure 4. DC-DC Efficiency vs. V
Figure 6. DC-DC REFIN vs. V
100
1.6
1.4
1.2
0.8
0.6
0.4
0.2
1.6
1.4
1.2
0.8
0.6
0.4
0.2
95
90
85
80
75
70
65
60
1
1
0.6
0.6
0.6
1
1
1
1.4
1.4
1.4
Output Voltage (V)
Output Voltage (V)
Output Voltage (V)
1.8
1.8
1.8
2.2
2.2
2.2
OUT
OUT
2.6
OUT
2.6
2.6
; R
; R
LOAD
LOAD
; R
Bypass Mode
3
3
3
LOAD
Vin = 2.7V
Vin = 3.0V
Vin = 3.3V
Vin = 3.6V
Vin = 3.9V
Vin = 2.7V
Vin = 3.0V
Vin = 3.3V
Vin = 3.6V
Vin = 3.9V
Vin = 2.7V
Vin = 3.0V
Vin = 3.3V
Vin = 3.6V
Vin = 3.9V
= 5Ω
= 10Ω
3.4
3.4
3.4
= 7.5Ω
3.8
3.8
3.8
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