ADP1607ACPZN-R7 datasheet(8/16 Pages) AD

8 / 16 page

ADP1607

Data Sheet

Rev. C | Page 8 of 16

88.4

88.0

87.6

87.2

86.8

86.4

1.8

2.3

2.8

3.3

OUTPUT VOLTAGE (V)

TA = –40°C

TA =+25°C

TA =+90°C

Figure 15. Maximum Duty Cycle vs. Output Voltage

2.04

2.02

2.00

1.98

1.96

1.94

–40

–10

TEMPERATURE (°C)

VOUT = 1.8V

VOUT = 3.3V

VOUT = 2.5V

Figure 16. Frequency vs. Temperature

1000

800

600

400

200

900

700

500

300

100

0.8

1.3

1.8

2.3

2.8

3.3

INPUT VOLTAGE (V)

VOUT = 1.8 V

VOUT = 2.5V

VOUT = 3.3V

Figure 17. Maximum Output Current vs. Input Voltage

TIME (200µs/DIV)

VIN = 1.2V

VOUT = 3.3V

ILOAD = 1mA TO 50mA

LOAD CURRENT

(50mA/DIV)

OUTPUT VOLTAGE (100mV/DIV)

AC-COUPLED

Figure 18. PFM Mode Load Transient Response (Auto Mode Part)

TIME (200µs/DIV)

VIN = 1.2V

VOUT = 3.3V

ILOAD = 50mA TO 100mA

LOAD CURRENT

(50mA/DIV)

OUTPUT VOLTAGE (100mV/DIV)

AC-COUPLED

Figure 19. PWM Mode Load Transient Response (Fixed PWM Mode Part)

TIME (200µs/DIV)

VIN = 1.2V

VOUT = 3.3V

RLOAD = 3.3kΩ

EN PIN VOLTAGE

(1V/DIV)

INDUCTOR

CURRENT

(200mA/DIV)

SW PIN VOLTAGE

(2V/DIV)

OUTPUT VOLTAGE

(1V/DIV)

Figure 20. Startup, RLOAD =3.3 kΩ

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