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Document 661-1
Coupled Inductors – LPD3015 ForSEPICandother Applications
0.118 ±0.003 3,00 ±0,076 14
0.118 ±0.003
XXX X 3,00 ±0,076
23 Dash Internal
number code
0.055 ±0.004*
1,4 ±0,1
Dot indicates pin 1
• Only 1.4 mm high and 3 mm square • Ideal for use in flyback, multi-output buck, SEPIC and Zeta
applications. • High inductance, high efficiency and excellent current
handling • Can also be used as two single inductors connected in
series or parallel or as a common mode choke.
+ D
L1 L2 C
VIN C SW
–
Typical Flyback Converter
+ VOUT
–
L2 D C
+ VOUTAUX
–
++
L1
VIN SW D
C
VOUT
––
Typical Buck Converter with auxiliary output
+
VIN C
L1 Q
C1 L2
D C
+
VOUT
–– Typical SEPIC schematic
1 0.094 0.040 2,30 1,02
0.022 0,54
4 45° typ 0.130 3,30
0.