ADP2140 datasheet(10/32 Pages) AD

10 / 32 page

ADP2140

Data Sheet

Rev. B | Page 10 of 32

VIN1 = 4 V, VOUT = 1.8 V, IOUT = 10 mA, CIN = COUT = 10 µF, TA = 25°C, unless otherwise noted.

CH1 1.00V

CH2 50.0mV

M20.0µs

A CH1

4.68V

T 11.60%

CH3 5.00V

INPUT VOLTAGE

OUTPUT VOLTAGE

SWITCH NODE

Figure 22. Line Transient, VOUT = 1.2 V, PSM Mode, 50 mA, VIN1 = 4 V to 5 V,

4 μs Rise Time

CH1 1.00V

CH2 20.0mV

M20.0µs

A CH1

4.32V

T 10.80%

CH3 5.00V

INPUT VOLTAGE

OUTPUT VOLTAGE

SWITCH NODE

Figure 23. Line Transient, VOUT = 1.2 V, PWM Mode, 600 mA, VIN1 = 4 V to 5 V,

4 μs Rise Time

CH1 1.00V

CH2 50.0mV

M20.0µs

A CH1

4.68V

T 11.60%

CH3 5.00V

INPUT VOLTAGE

OUTPUT VOLTAGE

SWITCH NODE

Figure 24. Line Transient, VOUT = 3.3 V, PSM Mode, 50 mA, VIN1 = 4 V to 5 V,

4 μs Rise Time

CH1 1.00V

CH2 20.0mV

M20.0µs

A CH1

4.68V

T 11.60%

CH3 5.00V

INPUT VOLTAGE

OUTPUT VOLTAGE

SWITCH NODE

Figure 25. Line Transient, VOUT = 3.3 V, PWM Mode, 600 mA, VIN1 = 4 V to 5 V,

4 μs Rise Time

CH1 200mA

CH2 50.0mV

M20.0µs

A CH1

288mA

T 10.40%

CH3 5.00V

LOAD CURRENT

OUTPUT VOLTAGE

SWITCH NODE

Figure 26. Load Transient, VOUT = 1.8 V, 200 mA to 600 mA, Load Current Rise

Time = 200 ns

CH1 100mA

CH2 50.0mV

M20.0µs

A CH1

136mA

T 10.40%

CH3 5.00V

LOAD OUTPUT

OUTPUT VOLTAGE

SWITCH NODE

Figure 27. Load Transient, VOUT = 1.8 V, 50 mA to 250 mA, Load Current Rise

Time = 200 ns

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