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ADP1621ARMZ-R7 数据表(PDF) 11 Page - Analog Devices

部件名 ADP1621ARMZ-R7
功能描述  Constant-Frequency, Current-Mode Step-Up DC-to-DC Controller
PDF  32 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
制造商  AD [Analog Devices]
网页  http://www.analog.com
标志 AD - Analog Devices

ADP1621ARMZ-R7 数据表(HTML) 11 Page - Analog Devices

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Data Sheet
ADP1621
Rev. D | Page 11 of 32
CH1 5V
CH2 5V
CH4 500mAΩ
M2µs
A CH1
2.9V
1
2
4
TA = 25°C
VIN = 3.3V
VOUT = 5V
LOAD = 0.3A
CCM OPERATION
CH1 = GATE
CH4 = INDUCTOR CURRENT
CH2 = DRAIN VOLTAGE
Figure 23. CCM Switching Waveform
CH1 1V
CH3 5V
CH2 5V
M2ms
A CH1
4.5V
1
2
3
TA = 25°C
VIN = 3.3V
VOUT = 5V
fSW = 220kHz
SOFT-START = 9.3ms
CH3 = GATE
CH1 = VOUT
CH2 = SDSN
Figure 24. Soft Start Waveform
CH1 50mV
CH2 2V
M400µs
A CH2
3.8V
2
1
TA = 25°C
VOUT = 5V
LOAD AT VOUT = 1A
CH1 = VOUT, AC-COUPLED
CH2 = VIN FROM 3V TO 4V
Figure 25. Line Transient Response of the Configuration Shown in Figure 1
with a 1 A Load
CH1 50mV
CH4 1AΩ
M200µs
A CH4
700V
1
4
TA = 25°C
VIN = 3.3V
VOUT = 5V
LOAD CURRENT
FROM 0.2A TO 1.2A
OUTPUT, AC-COUPLED
Figure 26. Load Transient Response of the Circuit Shown in Figure 1
CH1 50mV
CH2 2V
M400µs
A CH2
3.8V
2
1
TA = 25°C
VOUT = 5V
NO LOAD AT VOUT
CH1 = VOUT, AC-COUPLED
CH2 = VIN FROM 3V TO 4V
Figure 27. Line Transient Response of the Configuration Shown in Figure 1
with No Load



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