ADP1706ACPZ-2.5-R7 datasheet(9/20 Pages) AD

9 / 20 page

ADP1706/ADP1707/ADP1708

Rev. 0 | Page 9 of 20

CSS (nF)

–

–55

2.7

3.2

3.7

4.2

4.7

VIN (V)

510

Figure 22. Output Voltage Ramp-Up Time vs. Soft Start Capacitor Value

–90

10M

FREQUENCY (Hz)

100

10k

100k

–10

–20

–30

–40

–50

–60

–70

–80

VRIPPLE = 50mV

VIN = 5V

VOUT = 3.3V

COUT = 4.7μF

ILOAD = 300mA

ILOAD = 200mA

ILOAD = 100mA

ILOAD = 10mA

ILOAD = 1mA

ILOAD = 100µA

Figure 23. ADP1706 Power Supply Rejection Ratio vs. Frequency

–90

10M

FREQUENCY (Hz)

100

10k

100k

–10

–20

–30

–40

–50

–60

–70

–80

VRIPPLE = 50mV

VIN = 5V

VOUT = 0.8V

COUT = 4.7μF

ILOAD = 300mA

ILOAD = 200mA

ILOAD = 100mA

ILOAD = 10mA

ILOAD = 1mA

ILOAD = 100µA

Figure 24. ADP1708 Power Supply Rejection Ratio vs. Frequency

–45

–50

VOUT = 2.4V

VOUT = 1.6V

VOUT = 0.8V

VRIPPLE = 50mV

ILOAD = 10mA

COUT = 4.7μF

FREQUENCY = 10kHz

Figure 25. ADP1708 Power Supply Rejection Ratio vs. Input Voltage

–35

–55

0.8

4.3

VOUT (V)

–40

–45

–50

1.3

1.8

2.3

2.8

3.3

3.8

VRIPPLE = 50mV

VIN = 5V

ILOAD = 10mA

COUT = 4.7μF

FREQUENCY = 10kHz

Figure 26. ADP1708 Power Supply Rejection Ratio vs. Output Voltage

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