L5970 View Datasheet(PDF) - STMicroelectronics

Part Name

Description

MFG CO.

L5970

UP TO 1A STEP DOWN SWITCHING REGULATOR

STMicroelectronics

'L5970' PDF : 10 Pages View PDF

1 2 3 4 5 6 7 8 9 10

L5970D
Figure 7. Quiescent Current vs. Junction
Temperature
Iq (mA)
2
Figure 9. Switching Frequency vs.Junction
Temperature
Fsw (KHz)
260
1.8
250
1.6
Vcc = 12V
DC = 0%
1.4
1.2
-50
0
50
100
150
Tj (°C)
Figure 8. Shutdown Current vs.Junction
Temperature
Ishd (µA)
70
240
230
Vcc = 12V
Vo = 3.3V
220
-50
0
50
100
150
Tj (C)
60
Vcc = 12V
50
40
30
-50
0
50
100
150
Tj (°C)
5/10

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