Composite regulator MM3348
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300mA Dual Voltage Regulator IC MM3348 300mA Dual Voltage Regulator IC Outline This IC is a 300mA-output low-saturation type Dual regulator developed as a combined power supply for cell-phones. The output voltages of the regulator can be xed to desired voltages in a 1.2 V to 5.0 V range. The device is further provided with a switching terminal for each output, making it an IC especially suitable for cell-phones. Maximum output current Ripple rejection Output voltage accuracy No load input current 5. Input voltage 6. Output ON/OFF control function Mobile phones Portable players Digital still cameras Mobile game machines PDAs • Any products mentioned in this catalog are subject to any modification in their appearance and others for improvements without prior notification. • The details listed here are not a guarantee of the individual products at the time of ordering. When using the products, you will be asked to check their specifications.

300mA Dual Voltage Regulator IC MM3348 Current Limit Current Limit • Any products mentioned in this catalog are subject to any modification in their appearance and others for improvements without prior notification. • The details listed here are not a guarantee of the individual products at the time of ordering. When using the products, you will be asked to check their specifications.

300mA Dual Voltage Regulator IC MM3348 Internal equivalent circuit Please refer to Block diagram. Connect CE pin with VDD pin, when it is not used. 3,6 4,5 8 Absolute Maximum Ratings (Except where noted otherwise Ta=25°C) Item Storage Temperature Supply Voltage CE1, 2 input Voltage Output Voltage 1, 2 Output Current 1, 2 Power Dissipation Note1 : With the double sided PC Board of glass epoxy. (37 37 1.6tmm copper plane 80%) Recommended Operating Conditions Item Operating Ambient temperature Operating Voltage Output Current 1, 2 (Except where noted otherwise Ta=25°C) Ratings -40~85 2~6 0~300...

300mA Dual Voltage Regulator IC MM3348 Measurement conditions Output Noise Voltage 1 (Note2) Output Short-Circuit Current 1 (Note2) CE1 High Threshold Voltage Output NMOS ON Resistance 1 No-load Input Current 2 Please refer to another page Output Noise Voltage 2 (Note2) Output Short-Circuit Current 2 (Note2) CE2 High Threshold Voltage Output NMOS ON Resistance 2 Note2 : The item is guaranteed by design. • Any products mentioned in this catalog are subject to any modification in their appearance and others for improvements without prior notification. • The details listed here are not a...

300mA Dual Voltage Regulator IC MM3348 (Except where noted otherwise VDD=Vo(typ.)+1V, VCE=VDD, Ta=25°C) Note3 : The parameter is not guaranteed in the model less than Vo=1.4V. • Any products mentioned in this catalog are subject to any modification in their appearance and others for improvements without prior notification. • The details listed here are not a guarantee of the individual products at the time of ordering. When using the products, you will be asked to check their specifications.

300mA Dual Voltage Regulator IC MM3348 Measuring Circuit Ceramic 1µF Application Circuit Ceramic 1µF (reference example of external parts) · Output capacitor Ceramic capacitor 1µF · Input Capacitor Ceramic capacitor 1µF · Note 1. The output capacitor is required between output and GND to prevent oscillation. 2. The ESR of capacitor must be de ned in ESR stability area. It is possible to use a ceramic capacitor without ESR resistance for output. The ceramic capacitor must be used more than 1.0µF and B temperature characteristics. 3. The wire of VCC and GND is required to print full ground...

300mA Dual Voltage Regulator IC MM3348 About Power Dissipation This IC's GND pin and Heat Spreader Bottom effectively radiate heat. By increasing these copper foil pattern area of PCB, Power dissipation improves. Please kindly design PCB pattern taking care of above features about power dissipation. HSOP-8:37mm×37mm×1.6 mm Double sided glass epoxy Copper plane 80% Land Pattern Recommendation 4.41mm • Any products mentioned in this catalog are subject to any modification in their appearance and others for improvements without prior notification. • The details listed here are not a guarantee...

300mA Dual Voltage Regulator IC MM3348 (Except where noted otherwise VDD=VOUT (typ.) +1V, VCE=VDD, Ta=25°C) Output voltage - Input voltage Input current - Input voltage Output voltage - Output current Load regulation Output voltage - Ambient temperature • Any products mentioned in this catalog are subject to any modification in their appearance and others for improvements without prior notification. • The details listed here are not a guarantee of the individual products at the time of ordering. When using the products, you will be asked to check their specifications.

300mA Dual Voltage Regulator IC MM3348 (Except where noted otherwise VDD=VOUT (typ.) +1V, VCE=VDD, Ta=25°C) Output voltage - Input voltage Input current - Input voltage Output voltage - Output current Load regulation Output voltage - Ambient temperature • Any products mentioned in this catalog are subject to any modification in their appearance and others for improvements without prior notification. • The details listed here are not a guarantee of the individual products at the time of ordering. When using the products, you will be asked to check their specifications.

300mA Dual Voltage Regulator IC MM3348 Dropout voltage Ripple Rejection Ripple rejection RR (dB) Load transient response (Io=10 Load transient response (Io=10 Load transient response (Io=10 Instable area • Any products mentioned in this catalog are subject to any modification in their appearance and others for improvements without prior notification. • The details listed here are not a guarantee of the individual products at the time of ordering. When using the products, you will be asked to check their specifications.