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ADP1611ARMZ-R7 数据表(PDF) 8 Page - Analog Devices

部件名 ADP1611ARMZ-R7
功能描述  20 V,1.2 MHz Step-Up DC-to-DC Switching Converter
PDF  20 Pages
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制造商  AD [Analog Devices]
网页  http://www.analog.com
标志 AD - Analog Devices

ADP1611ARMZ-R7 数据表(HTML) 8 Page - Analog Devices

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ADP1611
Rev. 0 | Page 8 of 20
AMBIENT TEMPERATURE (
°C)
2.0
0.8
1.0
1.2
1.4
1.6
1.8
0.6
–40
–15
10
35
60
85
VIN = 3.3V
VIN = 5.5V
FSW = 1.23kHz
VFB = 1V
VIN = 2.5V
Figure 16. Supply Current vs. Ambient Temperature
AMBIENT TEMPERATURE (
°C)
1.0
0.6
0.7
0.8
0.9
0.4
0.5
0.1
0.2
0.3
0
–40
15
70
125
VIN = 3.3V
SD = 0.4V
VSW = 20V
Figure 17. Switch Leakage Current vs. Ambient Temperature
AMBIENT TEMPERATURE (
°C)
1.2
0.2
0.4
0.6
0.8
1.0
0
–40
15
70
125
VIL
VIH
VIN = 3.5V
Figure 18. Shutdown Threshold vs. Ambient Temperature
AMBIENT TEMPERATURE (
°C)
300
50
100
150
200
250
0
–40
–15
10
35
60
85
Figure 19. UVLO Hysteresis vs. Ambient Temperature
CH1 10.0mV
Ω
M2.00
µs
A CH3
12.4V
2
3
1
CH3 10.0V
T
0.00000s
VIN = 5V, VOUT = 20V,
ILOAD = 200mA, FSW = 700kHz,
L = 10
µH, C
OUT = 10µF
CH1 = IL 500mA/DIV
CH2 = OUTPUT RIPPLE 100mV/DIV
CH3 = SW 10V/DIV
CH2 100mV
Figure 20. Switching Waveform in Continuous Conduction
CH1 10.0mV
Ω
M2.00
µs
A CH3
12.2V
2
3
1
CH3 10.0V
CH2 100mV
VIN = 5V, VOUT = 20V,
ILOAD = 20mA, FSW = 700kHz,
L = 10
µH, C
OUT = 10µF
CH1 = IL 500mA/DIV
CH2 = OUTPUT RIPPLE 100mV/DIV
CH3 = SW 10V/DIV
Figure 21. Switching Waveform in Discontinuous Conduction



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