ADP2121-1.82-EVALZ Analog Devices Inc, ADP2121-1.82-EVALZ Datasheet - Page 12

• Manufacturer Part Number: ADP2121-1.82-EVALZ
• Description: 6MHz Volt Mode Buck 500mA Bumped Die
• Manufacturer: Analog Devices Inc

Specifications of ADP2121-1.82-EVALZ

• Main Purpose: DC/DC, Step Down
• Outputs And Type: 1, Non-Isolated
• Voltage - Output: 1.82V
• Current - Output: 600mA
• Voltage - Input: 2.3 ~ 5.5 V
• Regulator Topology: Buck
• Frequency - Switching: 6MHz
• Board Type: Fully Populated
• Utilized Ic / Part: ADP2121
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Power - Output: -
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

ADP2121
V
V
NO LOAD
V
V
NOLOAD
IN
OUT
(200mA/DIV)
IN
OUT
INDUCTOR
CURRENT
= 3.6V
(200mA/DIV)
= 3.6V
INDUCTOR
CURRENT
= 1.8V
= 2.3V
Figure 40. Start-Up Waveform, No Load
Figure 41. Start-Up Waveform, No Load
Figure 42. Start-Up Waveform, No Load
OUTPUT VOLTAGE (500mV/DIV)
ENABLE PIN VOLTAGE (5V/DIV)
EN PIN VOLTAGE (5V/DIV)
EN PIN VOLTAGE (5V/DIV)
INDUCTOR CURRENT (200mA/DIV)
TIME (10μs/DIV)
TIME (10µs/DIV)
TIME (40µs/DIV)
OUTPUT VOLTAGE
(500mV/DIV)
OUTPUT VOLTAGE
(500mV/DIV)
V
V
NO LOAD
IN
OUT
= 3.6V
= 1.82V
Rev. B | Page 12 of 20
V
V
R
V
V
R
IN
OUT
LOAD
IN
OUT
LOAD
(200mA/DIV)
(200mA/DIV)
INDUCTOR
INDUCTOR
CURRENT
CURRENT
= 3.6V
= 3.6V
= 2.3V
= 1.8V
= 5.1Ω
= 5.1Ω
Figure 43. Start-Up Waveform, Heavy Load
Figure 44. Start-Up Waveform, Heavy Load
Figure 45. Start-Up Waveform, Heavy Load
OUTPUT VOLTAGE (500mV/DIV)
ENABLE PIN VOLTAGE (5V/DIV)
EN PIN VOLTAGE (5V/DIV)
EN PIN VOLTAGE (5V/DIV)
INDUCTOR CURRENT (200mA/DIV)
TIME (10μs/DIV)
TIME (10μs/DIV)
TIME (40µs/DIV)
OUTPUT VOLTAGE
(500mV/DIV)
OUTPUT VOLTAGE
(500mV/DIV)
V
V
R
IN
OUT
LOAD
= 3.6V
= 1.82V
= 5.1Ω