Power supply circuit for earphones

Example of power supply circuit using LDO Regulator

Details of earphone / Power supply circuit

Lineup

Small surface mounted LDO regulator

Part number

TCR5BM Series

TCR5RG Series

TCR3UG Series

TCR2EN Series

Package

DFN5B

WCSP4F

SDFN4

IOUT (Max) [A]

0.5

0.5

0.3

0.2

VDO (Typ.) [mV]

100
@IOUT = 500 mA

150
@IOUT = 500 mA

140
@IOUT = 300 mA

160
@IOUT = 150 mA

PSRR (Typ.) [dB]
@f=1 kHz

98

100

70

73

IB (Typ.) [μA]

19

7

0.34

35

Contacts

Technical inquiry

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Frequently Asked Questions

FAQs

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