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ADP1853ACPZ-R7 Arkusz danych(PDF) 11 Page - Analog Devices

Numer części ADP1853ACPZ-R7
Szczegółowy opis  Synchronous, Step-Down DC-to-DC Controller
PDF  28 Pages
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Producent  AD [Analog Devices]
Strona internetowa  http://www.analog.com
Logo AD - Analog Devices

ADP1853ACPZ-R7 Arkusz danych(HTML) 11 Page - Analog Devices

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Data Sheet
ADP1853
Rev. 0 | Page 11 of 28
Figure 10. Synchronization and CLKOUT, fSYNC = 300 kHz
Figure 11. Dead Time vs. Temperature
Figure 12. Typical DH Minimum On Time and Off Time
Figure 13. Soft Start with Precharged Output, 3.3 VOUT Forced PWM
Figure 14. Dead Time vs. VIN
Figure 15. Driver Resistance vs. Temperature
CH3 10V
M 1.0µs 1.25GS/s
400ps/pt
A CH1
3.6V
1
2
3
CH1 5V
B
W
B
W
CH2 5V BW
CLKOUT
DH
SYNC
25
35
34
33
32
31
30
29
28
27
26
–40
–20
0
20
40
60
80
100
120
140
TEMPERATURE (°C)
VIN = 12V
OUTPUT IS LOADED
HS FET = BSC080N03LS
LS FET = BSC030N03LS
DEAD TIME BETWEEN SW FALLING EDGE
AND DL RISING EDGE, INCLUDING DIODE RECOVERY TIME
50
100
150
200
250
300
350
2.5
5.0
7.5
10.0
12.5
15.0
17.5
20.0
DH MINIMUM OFF TIME
DH MINIMUM ON TIME
VIN (V)
CH3 10V
M 2ms 250kS/s
4µs/pt
A CH1
560mV
1
2
3
CH1 2V
B
W
CH2 1V BW
B
W
EN
VOUT
SW
25
45
43
41
39
37
35
33
31
29
27
0
20
15
10
5
VIN (V)
TA = 25°C
OUTPUT IS LOADED
HS FET = BSC080N03LS
LS FET = BSC030N03LS
DEAD TIME BETWEEN SW FALLING EDGE
AND DL RISING EDGE, INCLUDING DIODE RECOVERY TIME
0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
4.5
–40
–15
10
35
60
85
110
135
TEMPERATURE (°C)
VIN = 2.75V, SOURCING
VIN = 12V, SOURCING
VIN = 2.75V, SINKING
VIN = 12V, SINKING



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