AS3722 datasheet(39/199 Pages) AMSOSRAM

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[v1-01] 2015-Sep-07

AS3722 − Detailed Descriptions- Power Management Functions

Figure 31:

SD0 Efficiency vs. Output Current Combined Mode

Figure 32:

SD1 3.7V Eff vs. Iout Mode and Coil Comparison 1/2

DC/DC Buck SD0 Efficiency: Shows

efficiency of the SD0 buck controller

with VSUP=3.7V, 1.35MHz operation,

TA=25°C and Coilcraft XAL5030-601MEB

coil.

DC/DC Buck SD1 Efficiency: Shows

efficiency of the SD1 buck controller in

dual and combined mode @ 1.2V with

VSUP=3.7V, 1.35MHz operation, TA=25°C

and TDK TFM coils.

0,001

0,01

0,1

Output Current (A)

1.5V

1.2V

1.0V

1.5V, low noise

1.2V, low noise

1.0V, low noise

0.01

0.1

Output Current (A)

AS3729B 3V7-1V2 TFM201610GHM-1R0M dual (1.35MHz)

AS3729B 3V7-1V2 TFM201610GHM-R47M dual (1.35MHz)

AS3729B 3V7-1V2 TFM252010GHM-R47M dual (1.35MHz)

AS3729B 3V7-1V2 TFM201610GHM-R47M combined (1.35MHz)

AS3729B 3V7-1V2 TFM252010GHM-R47M combined (1.35MHz)

AS3722 数据表(PDF) 39 Page - ams-OSRAM AG

AS3722 数据表(HTML) 39 Page - ams-OSRAM AG

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