ADP1765ACPZ-1.2-R7 datasheet(12/20 Pages) AD

12 / 20 page

ADP1765

Data Sheet

Rev. A | Page 12 of 20

FREQUENCY (Hz)

100

10k

100k

10M

VIN = 1.1V

VIN = 1.2V

VIN = 1.3V

VIN = 1.4V

VIN = 1.5V

–110

–100

–90

–80

–70

–60

–50

–40

–30

–20

–10

Figure 34. Power Supply Rejection Ratio (PSRR) vs. Frequency at

Various Input Voltages (VIN), VOUT = 0.9 V, Load = 5 A

FREQUENCY (Hz)

100

10k

100k

10M

–110

–100

–90

–80

–70

–60

–50

–40

–30

–20

–10

ILOAD = 0.1A

ILOAD = 1.0A

ILOAD = 2.0A

ILOAD = 3.0A

ILOAD = 4.0A

ILOAD = 5.0A

Figure 35. Power Supply Rejection Ratio (PSRR) vs. Frequency at

Various Loads (ILOAD), VOUT = 0.9 V, VIN = 1.3 V

0.2

0.3

0.4

0.5

0.6

HEADROOM (V)

FREQUENCY = 10Hz

FREQUENCY = 100Hz

FREQUENCY = 1kHz

FREQUENCY = 10kHz

FREQUENCY = 100kHz

FREQUENCY = 1MHz

FREQUENCY = 10MHz

–100

–90

–80

–70

–60

–50

–40

–30

–20

–10

Figure 36. Power Supply Rejection Ratio (PSRR) vs. Headroom Voltage at

Various Frequencies, VOUT = 0.9 V, Load = 5 A

0.2

0.3

0.4

0.5

0.6

HEADROOM (V)

–100

–90

–80

–70

–60

–50

–40

–30

–20

–10

FREQUENCY = 10Hz

FREQUENCY = 100Hz

FREQUENCY = 1kHz

FREQUENCY = 10kHz

FREQUENCY = 100kHz

FREQUENCY = 1MHz

FREQUENCY = 10MHz

Figure 37. Power Supply Rejection Ratio (PSRR) vs. Headroom Voltage at

Various Frequencies, VOUT = 1.3 V, Load = 5 A

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