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ADP2138ACBZ-2.5-R7 数据表(PDF) 7 Page - Analog Devices

部件名 ADP2138ACBZ-2.5-R7
功能描述  Compact, 800 mA, 3 MHz, Step-Down DC-to-DC Converter
PDF  20 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

ADP2138ACBZ-2.5-R7 数据表(HTML) 7 Page - Analog Devices

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Data Sheet
ADP2138/ADP2139
Rev. C | Page 7 of 20
1.825
1.815
1.805
1.795
1.785
1.775
0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
IOUT (A)
VIN = 2.3V
VIN = 3.6V
VIN = 4.2V
VIN = 5.5V
Figure 9. Load Regulation Across Input Voltage, VOUT = 1.8 V, PWM Mode
0.815
0.810
0.805
0.800
0.795
0.790
0.785
0.780
0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
IOUT (A)
VIN = 2.3V
VIN = 3.6V
VIN = 4.2V
VIN = 5.5V
Figure 10. Load Regulation Across Input Voltage, VOUT = 0.8 V, PWM Mode
3.378
3.358
3.318
3.338
3.298
3.278
3.258
3.238
3.218
0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
IOUT (A)
VIN = 3.9V
VIN = 4.2V
VIN = 5.5V
Figure 11. Load Regulation Across Input Voltage, VOUT = 3.3 V, PWM Mode
0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
IOUT (A)
3.5
3.4
3.3
3.2
3.1
3.0
2.9
2.8
2.7
2.6
2.5
–40°C
+25°C
+85°C
+125°C
Figure 12. Frequency vs. Output Current, Across Temperature,
VOUT = 1.8 V, PWM Mode
0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
IOUT (A)
VIN = 2.3V
VIN = 3.6V
VIN = 4.2V
VIN = 5.5V
3.5
3.4
3.3
3.2
3.1
3.0
2.9
2.8
2.7
2.6
2.5
Figure 13. Frequency vs. Output Current, Across Supply Voltage,
VOUT = 1.8 V
2.3
2.8
3.3
3.8
4.3
4.8
5.3
INPUT VOLTAGE (V)
90
80
70
60
50
40
30
20
10
0
IOUT = 100µA
IOUT = 25mA
IOUT = 500mA
Figure 14. Output Voltage Ripple vs. Input Voltage,
Across Output Current, VOUT = 1.8 V



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