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ADP2105ACPZ-3.3-R7 数据表(PDF) 10 Page - Analog Devices

部件名 ADP2105ACPZ-3.3-R7
功能描述  1 Amp/1.5 Amp/2 Amp Synchronous, Step-Down DC-to-DC Converters
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

ADP2105ACPZ-3.3-R7 数据表(HTML) 10 Page - Analog Devices

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ADP2105/ADP2106/ADP2107
Rev. 0 | Page 10 of 32
3.00
2.50
2.7
5.7
INPUT VOLTAGE (V)
2.95
2.90
2.85
2.80
2.75
2.70
2.65
2.60
2.55
3.0
3.3
3.6
3.9
4.2
4.5
4.8
5.1
5.4
ADP2107 (2A)
TA =25°C
Figure 22. Peak Current Limit of ADP2107
150
0
2.7
5.7
INPUT VOLTAGE (V)
3.0
3.3
3.6
3.9
4.2
4.5
4.8
5.1
5.4
135
120
105
90
75
60
45
30
15
VOUT =2.5V
VOUT =1.2V
VOUT =1.8V
TA = 25°C
Figure 23. Pulse Skipping Threshold vs. Input Voltage for ADP2106
4
3
1
LX NODE (SWITCH NODE)
OUTPUT VOLTAGE
INDUCTOR CURRENT
Δ: 260mV
@: 3.26V
CH1 1V
45.8%
CH4 1AΩ
CH3 5V
M 10µs
A CH1
1.78V
T
Figure 24. Short Circuit Response at Output
135
0
2.7
5.7
INPUT VOLTAGE (V)
120
105
90
75
60
45
30
15
3.0
3.3
3.6
3.9
4.2
4.5
4.8
5.1
5.4
VOUT =1.8V
VOUT =1.2V
VOUT =2.5V
TA =25°C
Figure 25. Pulse Skipping Threshold vs. Input Voltage for ADP2105
195
0
2.7
5.7
INPUT VOLTAGE (V)
3.0
3.3
3.6
3.9
4.2
4.5
4.8
5.1
5.4
180
165
150
135
120
105
90
75
60
45
30
15
VOUT =2.5V
VOUT =1.8V
VOUT =1.2V
TA =25°C
Figure 26. Pulse Skipping Threshold vs. Input Voltage for ADP2107
–40
JUNCTION TEMPERATURE (°C)
–20
0
20
40
60
80
100
120
0
20
40
60
80
100
120
140
PMOS POWER SWITCH
NMOS SYNCHRONOUS RECTIFIER
Figure 27. Switch On Resistance vs. Temperature



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