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L5972D Datasheet(PDF) 14 Page - STMicroelectronics

Part # L5972D
Description  2A switch step down switching regulator
PDF  21 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

L5972D Datasheet(HTML) 14 Page - STMicroelectronics

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Additional features and protections
L5973AD
14/21
Figure 7.
Demo board application circuit
Table 6. Component List
Reference
Part Number
Description
Manufacturer
C1
C3225X5R1E106M
10
µF, 25V
TDK
C2
POSCAP 6TPB330M
330
µF, 6.3V
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
ST
L1
DO3316P-153
15
µH, 3A
COILCRAFT
D03IN1454
8
4
5
1
7
L5973AD
C1
10
µF
25V
CERAMIC
C2
330
µF
6.3V
VOUT=3.3V
VIN = 4V to 25V
R1
5.6K
R2
3.3K
R3
4.7K
C4
22nF
C3
220pF
3
L1 15
µH
D1
STPS2L25U
COMP
VCC
OUT
FB
GND
INH
2
6
3.3V
SYNC.
VREF



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