MM3348 Mitsumi Electronics, Corp., MM3348 Datasheet
MM3348
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MM3348 Summary of contents
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... Dual Voltage Regulator IC Monolithic IC MM3348 Outline This 300mA-output low-saturation type Dual regulator developed as a combined power supply for cell-phones. The output voltages of the regulator can be fi xed to desired voltages 5.0 V range. The device is further provided with a switching terminal for each output, making especially suitable for cell-phones ...
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Block Diagram V DD CE1 GND CE2 Pin Assignment Bias Current Limit Bias Current Limit HSOP - 8A 8 (TOP VIEW Vref ...
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Pin Description Pin No. Pin name NC No connection 1 ON/OFF-CONTROL 1, 2PIN CE1, CE2 2,7 Connect CE pin with VDD pin, when it is not used. GND GND Pin 3,6 V 1,V 2 Output 1, 2 pin 4,5 O ...
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Item Ripple Rejection 1-1 (Note2) Ripple Rejection 1-2 (Note2 Temperature O Coeffi cient (Note2) Output Noise Voltage 1 (Note2) Output Short-Circuit Current 1 (Note2) CE1 Pull-down Resistance CE1 High Threshold Voltage CE1 Low Threshold Voltage Output NMOS ON ...
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Electrical Characteristics 2 Output Voltage Vo1, Vo2 Measurement Conditions 1.2V 1.3V 1.4V 1.5V 1.6V 1.7V 1.8V 1.9V 2.0V 2.1V 2.2V 2.3V 2.4V 2.5V 2.6V 2.7V 2.8V 2.9V 3.0V 3.1V 1mA I 30mA O 3.2V 3.3V 3.4V 3.5V 3.6V 3.7V 3.8V ...
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Measuring Circuit A Application Circuit (reference example of external parts) · Output capacitor · Input Capacitor · Note 1. The output capacitor is required between output and GND to prevent oscillation. 2. The ESR of capacitor must be defi ned ...
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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. 2000 ...
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Characteristics (Vo=1.2V) Output voltage - Input voltage 2.0 R =1.2k L 1 Input voltage V Output voltage - Output current 2.0 1.5 1.0 0.5 0.0 0 100 ...
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Characteristics (Vo=3.3V) Output voltage - Input voltage 4.0 3.5 R =3.3k L 3.0 2.5 2.0 1.5 R =11 L 1.0 0.5 0 Input voltage V Output voltage - Output current ...
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Dropout voltage 500 400 300 200 100 100 150 200 Output current I O Load transient response (Io=10 C =1µF,C =1µ 100mA/div O GND V : 100mV/div O Load transient response (Io=10 C ...