ADP2371ACPZ-1.2-R7 datasheet(12/32 Pages) AD

12 / 32 page

ADP2370/ADP2371

Data Sheet

Rev. A | Page 12 of 32

0.01

0.1

100

1000

LOAD (mA)

600kHz

1.2MHz

Figure 27. Efficiency vs. Load Current, Different Switching Frequency,

VOUT = 1.8 V, VIN = 9 V

CH1 500mA

Ω BW

CH3 1.00V BW

CH2 20.0mV

M10.0µs A CH3

4.56V

11.00%

VOUT

VIN

INDUCTOR CURRENT

Figure 28. Line Transient, VOUT = 1.8 V, PSM Mode, 100 mA, VIN1 = 4 V to 5 V,

2 μs Rise Time, CIN = 3.3 μF

M10.0µs A CH3

4.64V

11.20%

VOUT

VIN

INDUCTOR CURRENT

CH1 200mA

Ω BW

CH3 1.00V BW

CH2 20.0mV

Figure 29. Line Transient, VOUT = 1.8 V, PWM Mode, 800 mA, VIN1 = 4 V to 5 V,

2 μs Rise Time, CIN = 3.3 μF

M10.0µs A CH3

4.56V

11.0%

VOUT

VIN

INDUCTOR CURRENT

CH1 500mA

Ω BW

CH3 1.00V BW

CH2 20.0mV

Figure 30. Line Transient, VOUT = 1.2 V, PSM Mode, 100 mA, VIN1 = 4 V to 5 V,

2 μs Rise Time, CIN = 3.3 μF

M10.0µs A CH3

5.44V

10.80%

VOUT

VIN

INDUCTOR CURRENT

CH1 500mA

Ω BW

CH3 1.00V BW

CH2 10.0mV

Figure 31. Line Transient, VOUT = 1.2 V, PWM Mode, 800 mA, VIN1 = 4 V to 5 V,

2 μs Rise Time, CIN = 3.3 μF

M10.0µs A CH3

6.78V

11.40%

VOUT

VIN

INDUCTOR CURRENT

CH1 200mA Ω BW

CH3 1.00V BW

CH2 20.0mV

Figure 32. Line Transient, VOUT = 3.3 V, PSM Mode, 100 mA, VIN1 = 6 V to 7 V,

2 μs Rise Time, CIN = 3.3 μF

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