ELM89xxxBC
CMOS 300mA LDO Voltage regulator
■Pin configuration
SOT-23(TOP VIEW)
SOT-25(TOP VIEW)
SOT-25(TOP VIEW)
ELM89xx1BC
Pin No.
1
2
3
Pin name
VIN
VOUT
VSS
ELM89xx2BC
Pin No.
1
2
3
4
5
Pin name
VIN
VSS
CE
NC
VOUT
ELM89xx3BC
Pin No.
1
2
3
4
5
Pin name
VIN
VSS
CE
NC
VOUT
■Standard circuit
ELM89xx1BC
ELM89xx2BC: CE, ELM89xx3BC: CE
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�½�½�½�½�½�½�½�½�½�½
�½�½
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�½�½
�½�½
�½�½
* Ci=1μF, Co=1μF or greater
* Ci=1μF, Co=1μF or greater
■Block diagram
ELM89xx1BC
�½�½�½
�½�½�½�½
ELM89xx2BC: CE, ELM89xx3BC: CE
�½�½�½
�½�½�½�½
�½
�½
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�½
�½
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20 - 2
ELM-TECH [ ELM Technology Corporation ]
