Datasheet

ADP2121
Rev. B | Page 13 of 20
TIME (200μs/DIV)
07407-060
V
IN
= 3.6V
V
OUT
= 1.8V
OUTPUT VOLTAGE (200mV/DIV)
INDUCTOR CURRENT (500mA/DIV)
Figure 46. Output Short-Circuit Response
TIME (1ms/DIV)
07407-037
OUTPUT VOLTAGE (200mV/DIV)
INDUCTOR CURRENT (500mA/DIV)
V
OUT
= 1.82V
Figure 47. Output Short-Circuit Response
TIME (200μs/DIV)
07407-061
V
IN
= 3.6V
V
OUT
= 2.3V
OUTPUT VOLTAGE (200mV/DIV)
INDUCTOR CURRENT (500mA/DIV)
Figure 48. Output Short-Circuit Response
07407-017
TIME (1µs/DIV)
OUTPUT VOLTAGE (20mV/DIV, 1.82V DC OFFSET)
SWITCH NODE VOLTAGE
(2V/DIV)
INDUCTOR CURRENT
(200mA/DIV)
V
IN
= 3.6V
V
OUT
= 1.82V
I
OUT
= 25mA
Figure 49. PFM Mode Operation
07407-020
TIME (100ns/DIV)
OUTPUT VOLTAGE (20mV/DIV, 1.82V DC OFFSET)
SWITCH NODE VOLTAGE (1V/DIV)
INDUCTOR CURRENT (200mA/DIV)
V
IN
= 3.6V
V
OUT
= 1.82V
I
OUT
= 200mA
Figure 50. PWM Mode Operation