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ADP1972ARUZ-R7 数据表(PDF) 8 Page - Analog Devices

部件名 ADP1972ARUZ-R7
功能描述  Buck or Boost, PWM Controller for Battery Test Solutions
PDF  18 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

ADP1972ARUZ-R7 数据表(HTML) 8 Page - Analog Devices

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ADP1972
Data Sheet
97.8
97.2
97.3
97.4
97.5
97.6
97.7
6
60
51
42
33
24
15
INPUT VOLTAGE (V)
TA = –40°C
TA = +25°C
TA = +125°C
Figure 9. Maximum Internal Duty Cycle vs. Input Voltage,
RFREQ = 100 kΩ, VCOMP = 5 V, and No Load on DL, DH, or DMAX
450
0
50
100
150
200
250
300
400
350
0
20
40
60
80
100
DUTY CYCLE (%)
TA = –40°C
TA = +25°C
TA = +125°C
Figure 10. RDMAX vs. Duty Cycle, RFREQ = 100 kΩ, VCOMP = 5 V, and
No Load on DL or DH
100
80
60
40
20
0
0.5
5.0
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
VCOMP (V)
TA = –40°C
TA = +25°C
TA = +125°C
Figure 11. Duty Cycle vs. VCOMP, RFREQ = 100 kΩ, and
No Load on DL, DH, or DMAX
210
30
50
70
90
110
130
150
170
190
50
100
150
200
250
300
fSET (kHz)
Figure 12. RFREQ(MASTER) vs. Switching Frequency (fSET)
5.020
4.990
4.995
5.000
5.005
5.010
5.015
6
60
51
42
33
24
15
INPUT VOLTAGE (V)
TA = –40°C
TA = +25°C
TA = +85°C
TA = +125°C
Figure 13. VREG vs. Input Voltage, No Load
5.020
4.980
4.985
4.990
4.995
5.000
5.005
5.010
5.015
0
5
4
3
2
1
LOAD CURRENT (mA)
TA = –40°C
TA = +25°C
TA = +85°C
TA = +125°C
Figure 14. VREG vs. Load Current
Rev. B | Page 8 of 18



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