ADP2121 Analog Devices, ADP2121 Datasheet - Page 13

• Manufacturer Part Number: ADP2121
• Description: 600 mA, 6 MHz Synchronous Step-Down DC-to-DC Converter
• Manufacturer: Analog Devices

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