ADP2138ACBZ-3.3-R7 datasheet(9/20 Pages) AD

9 / 20 page

Data Sheet

ADP2138/ADP2139

Rev. C | Page 9 of 20

M 40.0µs A CH2

275mA

T 26.00%

CH1 100mV

CH4 5.00V

CH2

250mA Ω

VOUT

IOUT

Figure 21. Response to Load Transient, 150 mA to 500 mA,

VOUT = 3.3 V, PWM Mode

M 40.0µs A CH2

114mA

T 26.00%

CH1 100mV

CH4 5.00V

CH2

100mA Ω

VOUT

IOUT

Figure 22. Response to Load Transient, 50 mA to 200 mA,

VOUT = 3.3 V, Automatic Mode

CH1 20.0mV

CH3 1.00V

M 40.0µs

A CH3

4.50V

–84.0000µs

VOUT

VIN

Figure 23. Response to Line Transient, VOUT = 3.3 V, VIN = 4.0 V to 4.8 V,

PWM Mode

CH1 20.0mV

CH3 1.00V

M 40.0µs

A CH3

4.50V

–84.0000µs

VOUT

VIN

Figure 24. Response to Line Transient, VOUT = 0.8 V,

VIN = 4.0 V to 4.8 V, PWM Mode

CH1 20.0mV

CH3 1.00V

M 40.0µs

A CH3

4.50V

–84.0000µs

VOUT

VIN

Figure 25. Response to Line Transient, VOUT = 1.8 V,

VIN = 4.0 V to 4.8 V, PWM Mode

CH1

2.00V Ω

CH4 5.00V

CH2 500mA Ω

M 40.0µs

A CH3

2.50V

T 10.40%

CH3 5.00V

VOUT

IIN

Figure 26. Startup, VOUT = 1.8 V, IOUT = 10 mA

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