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ADP1974ARUZ-R7 Scheda tecnica(PDF) 8 Page - Analog Devices

Il numero della parte ADP1974ARUZ-R7
Spiegazioni elettronici  Bidirectional, Synchronous PWM Controller for Battery Test and Formation
PDF  19 Pages
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Produttore elettronici  AD [Analog Devices]
Homepage  http://www.analog.com
Logo AD - Analog Devices

ADP1974ARUZ-R7 Scheda tecnica(HTML) 8 Page - Analog Devices

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ADP1974
Data Sheet
Rev. 0 | Page 8 of 19
97.8
97.2
97.3
97.4
97.5
97.6
97.7
660
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
20406080
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
660
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
05
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



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