ADP2121 datasheet(13/20 Pages) AD

부품명	ADP2121

상세설명	600 mA, 6 MHz, Synchronous Step-Down DC-to-DC Converter

PDF	20 Pages

Scroll/Zoom	100%

제조업체	AD [Analog Devices]

홈페이지	http://www.analog.com

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13 / 20 page

ADP2121

Rev. B | Page 13 of 20

TIME (200μs/DIV)

VIN = 3.6V

VOUT = 1.8V

OUTPUT VOLTAGE (200mV/DIV)

INDUCTOR CURRENT (500mA/DIV)

Figure 46. Output Short-Circuit Response

TIME (1ms/DIV)

OUTPUT VOLTAGE (200mV/DIV)

INDUCTOR CURRENT (500mA/DIV)

VOUT = 1.82V

Figure 47. Output Short-Circuit Response

TIME (200μs/DIV)

VIN = 3.6V

VOUT = 2.3V

OUTPUT VOLTAGE (200mV/DIV)

INDUCTOR CURRENT (500mA/DIV)

Figure 48. Output Short-Circuit Response

TIME (1µs/DIV)

OUTPUT VOLTAGE (20mV/DIV, 1.82V DC OFFSET)

SWITCH NODE VOLTAGE

(2V/DIV)

INDUCTOR CURRENT

(200mA/DIV)

VIN = 3.6V

VOUT = 1.82V

IOUT = 25mA

Figure 49. PFM Mode Operation

TIME (100ns/DIV)

OUTPUT VOLTAGE (20mV/DIV, 1.82V DC OFFSET)

SWITCH NODE VOLTAGE (1V/DIV)

INDUCTOR CURRENT (200mA/DIV)

VIN = 3.6V

VOUT = 1.82V

IOUT = 200mA

Figure 50. PWM Mode Operation

ADP2121 데이터시트(PDF) 13 Page - Analog Devices