ADP2140 datasheet(12/32 Pages) AD

12 / 32 page

ADP2140

Data Sheet

Rev. B | Page 12 of 32

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

CH1 50.0mA

CH2 50.0mV

M20.0µs

A CH1

48.0mA

T 10.40%

CH3 5.00V

LOAD CURRENT

OUTPUT VOLTAGE

SWITCH NODE

Figure 34. Load Transient, VOUT = 1.2 V,10 mA to 110 mA, Load Current Rise

Time = 200 ns

CH1 500mA

CH2 1.00V

CH4 5.00V

M100µs

A CH4

2.70V

T 10.40%

CH3 5.00V

INDUCTOR CURRENT

OUTPUT VOLTAGE

SWITCH NODE

ENABLE 1

Figure 35. Startup, VOUT = 1.8 V, 10 mA

CH1 500mA

CH2 1.00V

CH4 5.00V

M40.0µs

A CH4

2.70V

T 10.40%

CH3 5.00V

INDUCTOR CURRENT

OUTPUT VOLTAGE

SWITCH NODE

ENABLE 1

Figure 36. Startup, VOUT = 1.8 V, 600 mA

CH1 500mA

CH2 2.00V

CH4 5.00V

M40.0µs

A CH4

2.70V

T 10.40%

CH3 5.00V

INDUCTOR CURRENT

OUTPUT VOLTAGE

SWITCH NODE

ENABLE 1

Figure 37. Startup, VOUT = 3.3 V, 10 mA

CH1 500mA

CH2 2.00V

CH4 5.00V

M40.0µs

A CH4

2.70V

T 10.40%

CH3 5.00V

INDUCTOR CURRENT

OUTPUT VOLTAGE

SWITCH NODE

ENABLE 1

Figure 38. Startup, VOUT = 3.3 V, 600 mA

CH1 200mA

CH2 1.00V

CH4 5.00V

M100µs

A CH4

2.30V

T 10.40%

CH3 5.00V

INDUCTOR CURRENT

OUTPUT VOLTAGE

SWITCH NODE

ENABLE 1

Figure 39. Startup, VOUT = 1.2 V, 10 mA

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