Datasheet

L5970D Application circuit
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5 Application circuit
Figure 14. Demo board application circuit
Table 5. Component list
Reference Part number Description Manufacturer
C1 GRM32DR61E106KA12L 10µF, 25V MURATA
C2 POSCAP 10TPB100M 100µF, 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 33µH, 2A COILCRAFT
D03IN1437
8
2
4
5
1
7
L5970D
C1
10µF
25V
CERAMIC
C2
100µF
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 33µH