TPS657051 Datasheet, PDF (11/22 Pages) Texas Instruments – PMU for Embedded Camera Module

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VDCDC
DCDC Load Current
TPS657052
TPS657051
SLVSA08 – FEBRUARY 2010
VINDCDC = 5.0V
Temperature = 25°C
DCDC Load Current = 20mA to 360mA
VDCDC = 1.8V
Mode = VINDCDC
VINDCDC = 5 V, VINLDO = 5 V
Temperature = 25°C
LDO Load Current = 20 mA to 180 mA
VLDO
VINDCDC = 5.0 V
VINLDO = 5.0 V
Temperature = 25°C
VLDO = 2.8 V
LDO Load Current
LDO Load Current = 20mA to 180mA
VLDO = 2.8V
Time - 100 ms/div
Figure 14. Load transient reponse DCDC 1.8V (PWM)
20mA to 360mA
Time - 100 ms/div
Figure 15. Load Transient Reponse LDO
Mode
VDCDC
SW
DCDC Inductor Current
VINDCDC = 5.0V
Temperature = 25°C
DCDC Load Current = 10mA
VDCDC = 1.8V
Mode = GND to VINDCDC
Mode
VDCDC
VINDCDC = 5.0V
Temperature = 25°C
SW
DCDC Load Current = 10mA
VDCDC = 1.8V
Mode = VINDCDC to GND
DCDC Inductor Current
Time - 10 ms/div
Figure 16. DCDC PFM to PWM Mode Transition
Time - 10 ms/div
Figure 17. DCDC PWM to PFM Mode Transition
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