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L5970D Datasheet(PDF) 9 Page - STMicroelectronics

Part # L5970D
Description  Up to 1A step down switching regulator
PDF  16 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

L5970D Datasheet(HTML) 9 Page - STMicroelectronics

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L5970D
Application circuit
9/16
5
Application circuit
Figure 13. Demo board application circuit
Table 5. Component list
Reference
Part number
Description
Manufacturer
C1
C3225X5R1E106M
10
µF, 25V
TDK
C2
POSCAP 10TPB100M
100
µF, 10V
Sanyo
C3
C1206C221J5GAC
220pF, 5%, 50V
KEMET
C4
C1206C223K5RAC
22nF, 10%, 50V
KEMET
R1
5.6K, 1%, 0.1W 0603
Neohm
R2
3.3K, 1%, 0.1W 0603
Neohm
R3
4.7K, 1%, 0.1W 0603
Neohm
D1
STPS2L25U
2A, 25V
STMicroelectronics
L1
DO3316P-333
33
µH, 2A
COILCRAFT
D03IN1437
8
2
4
5
1
7
L5970D
C1
10
µF
25V
CERAMIC
C2
100
µF
10V
VOUT=3.3V
VIN = 4.4V to 25V
R1
5.6K
R2
3.3K
R3
4.7K
C4
22nF
C3
220pF
3
6
D1
STPS2L25U
3.3V
INH.
SYNC.
COMP
VCC
VREF
OUT
FB
GND
L1 33
µH



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