AS1339 EB austriamicrosystems, AS1339 EB Datasheet - Page 12

• 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 29. DC-DC No-Load Supply Current vs. V
Figure 31. DC-DC Switching; V
www.austriamicrosystems.com/DC-DC_Step-Down/AS1339
Figure 27. DC-DC Output Voltage Error vs. Reference
6
5
4
3
2
1
0
-2
-4
8
6
4
2
0
0.25
1
I
Voltage
OUT
Vout = 3.4V
0.5
=50mA
2
Reference Voltage (V)
Input Voltage (V)
0.75
1µs/Div
Bypass
Mode
3
IN
=3.6V, V
1
4
PWM
Mode
PA
Vin = 2.7V
Vin = 3.0V
Vin = 3.3V
Vin = 3.6V
Vin = 3.9V
1.25
=1.2V,
5
IN
1.5
6
Revision 1.05
Figure 32. DC-DC Switching; V
Figure 28. DC-DC Bypass Dropout Voltage vs. Output
Figure 30. Shutdown Supply Current vs. V
120
100
100
80
60
40
20
80
60
40
20
0
0
2.7 3.05 3.4 3.75 4.1 4.45 4.8 5.15 5.5
0
I
Current
OUT
100 200 300 400 500 600 700 800 900
=500mA
Output Current (mA)
Input Voltage (V)
1µs/Div
IN
=3.6V, V
PA
Vin = 2.7V
Vin = 3.0V
Vin = 3.3V
Vin = 3.6V
IN
=1.2V,
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