ADP2105(Rev0) Ver la hoja de datos (PDF) - Analog Devices
Número de pieza
componentes Descripción
Fabricante
ADP2105 Datasheet PDF : 32 Pages
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ADP2105/ADP2106/ADP2107
3.00
2.95
2.90
2.85
ADP2107 (2A)
2.80
2.75
2.70
2.65
2.60
2.55
2.50
2.7
TA = 25°C
3.0 3.3 3.6 3.9 4.2 4.5 4.8 5.1 5.4 5.7
INPUT VOLTAGE (V)
Figure 22. Peak Current Limit of ADP2107
150
135
120
105
VOUT = 1.2V
90
75
60
VOUT = 1.8V
45
VOUT = 2.5V
30
15
TA = 25°C
0
2.7 3.0 3.3 3.6 3.9 4.2 4.5 4.8 5.1 5.4 5.7
INPUT VOLTAGE (V)
Figure 23. Pulse Skipping Threshold vs. Input Voltage for ADP2106
LX NODE (SWITCH NODE)
3
INDUCTOR CURRENT
Δ: 260mV
@: 3.26V
1
OUTPUT VOLTAGE
4
CH1 1V
CH3 5V
CH4 1AΩ
M 10µs
T 45.8%
A CH1 1.78V
Figure 24. Short Circuit Response at Output
135
120
105
90
VOUT = 1.2V
75
60
45
VOUT = 1.8V
VOUT = 2.5V
30
15
TA = 25°C
0
2.7 3.0 3.3 3.6 3.9 4.2 4.5 4.8 5.1 5.4 5.7
INPUT VOLTAGE (V)
Figure 25. Pulse Skipping Threshold vs. Input Voltage for ADP2105
195
180
165
VOUT = 1.2V
150
135
VOUT = 1.8V
120
105
90
75
VOUT = 2.5V
60
45
30
15
0
TA = 25°C
2.7 3.0 3.3 3.6 3.9 4.2 4.5 4.8 5.1 5.4 5.7
INPUT VOLTAGE (V)
Figure 26. Pulse Skipping Threshold vs. Input Voltage for ADP2107
140
120
PMOS POWER SWITCH
100
80
NMOS SYNCHRONOUS RECTIFIER
60
40
20
0
–40 –20 0
20 40 60 80 100 120
JUNCTION TEMPERATURE (°C)
Figure 27. Switch On Resistance vs. Temperature
Rev. 0 | Page 10 of 32
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