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A5970D Datasheet(PDF) 8 Page - STMicroelectronics

Part # A5970D
Description  1.5A switch step down switching regulator for automotive applications
PDF  13 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

A5970D Datasheet(HTML) 8 Page - STMicroelectronics

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Typical characteristics
A5970D
8/13
Figure 9.
Quiescent current vs.
junction temperature
Figure 10.
Switching frequency vs.
junction temperature
Figure 11.
Shutdown current vs.junction
temperature
Figure 12.
Efficiency vs. output current
Figure 13.
Efficiency vs. output current
1.2
1.4
1.6
1.8
2
-50
050
100
150
Tj (°C)
Iq (mA)
Vcc = 12V
DC = 0%
220
230
240
250
260
-50
0
50
100
150
Tj (C)
Fsw (KHz)
Vcc = 12V
Vo = 3.3V
30
40
50
60
70
-50
0
50
100
150
Ishd (
µA)
Vcc = 12V
Tj (°C)
70
72
74
76
78
80
82
84
86
88
90
92
94
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1
Io (A)
Vo=3.3V
Vo=2.5V
Vo=1.8V
Vcc=5V
70
72
74
76
78
80
82
84
86
88
90
92
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1
Io (A)
Vcc=12V
Vo=5V
Vo=3.3V
Vo=2.5V



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