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| MITSUMI Low-Saturation Three-Pin Regulators with Externally Mounted Power Transistor MM1215 and 1216 Low-Saturation Three-Pin Regulators with Externally Mounted Power Transistor Monolithic ICs MM1215 and 1216 Outline These ICs are high-precision, high-voltage stabilized power supply devices which, by employing an externally mounted power transistor are able to drive loads at large currents. The input/output voltage difference is a low 0.2V, and an internal protection circuit ensures that the devices can be used in a wide range of portable equipment. Output on/off control is also provided. Features 1. 2. 3. 4. 5. 6. Input voltage Input/output voltage difference Maximum driving current No-load input current Thermal shutdown circuit provided Output ranks 16V max. 0.2V typ. 15mA max. 250A typ. E : 9.0V2% I : 4.02% F : 6.0V2% J : 3.02% G : 5.0V2% Z : 3.32% H : 4.5V2% CONT Pin Output Logic Model MM1215 MM1216 Low ON OFF High OFF ON Package SOT-25A (MM1215 N, MM1216 N) The output voltage rank appears in the boxes. * Applications 1. 2. 3. 4. Handheld computers Portable transceivers Cordless phones Other portable equipment which uses batteries Pin Assignment Drive GND CONT VIN VOUT 1 5 4 2 3 1 2 3 4 5 SOT-25A (TOP VIEW) MITSUMI Low-Saturation Three-Pin Regulators with Externally Mounted Power Transistor MM1215 and 1216 Equivalent Circuit Diagram Absolute Maximum Ratings Item Storage temperature Operating temperature Power supply voltage Recommended power supply voltage CONT pin voltage Recommended driving current Allowable loss Pd Symbol TSTG TOPR Vd max. VIN VCOH1 Ratings -40~+125 -20~+75 -0.3~16 2.5~12 -0.3~VIN+0.3 0~10 150 Units C C V V V mA mW MITSUMI Low-Saturation Three-Pin Regulators with Externally Mounted Power Transistor MM1215 and 1216 Electrical Characteristics Item (Ta=25C) : Using the 2SB956 output transistor Symbol Measurement conditions E F G Vo VIN=Vo+1V Io=100mA H I J Z Iccql Vd min. V2 V1 Vo/T RR VN VIN=Vo+1V VIN=Vo-0.1V VIN=(Vo+1V)~12V VIN=Vo+1V, Io=0~500mA Tj=-20~+75C VIN=Vo+2V, f=120Hz VRIPPLE=1V, Io=100mA VIN=Vo+1V, Io=100mA f=10~80kHz 50 Min. Typ. Max. Unit 9.00 6.00 5.00 Vo-2% 4.50 Vo+2% 4.00 3.00 3.30 250 0.2 400 0.3 A V %/V ppm/C dB Vrms V Output voltage Consumption current Minimum I/O voltage difference Input fluctuation rate Load fluctuation rate Output voltage temperature coefficient Ripple rejection rate 0.01 0.1 100 60 150 0.01 0.03 %/mA Output noise voltage MM1215 Input current while off CONT pin current CONT pin current MM1216 Input current while off CONT pin current CONT pin current CONT pin level High Low Vh VL 2.4 0.6 V V Iccq2 ION IOFF VIN=Vo+1V VCONT=2.4V VCONT=0.6V 25 5 1 40 10 3 A A A Iccq2 ION IOFF VIN=Vo+1V VCONT=0.6V VCONT=2.4V 25 1 5 40 3 10 A A A MITSUMI Low-Saturation Three-Pin Regulators with Externally Mounted Power Transistor MM1215 and 1216 Measuring Circuit Measurement circuit 1 Measurement circuit 2 Note1: When the CONT pin is unused, it should be connected to ground for the MM1215 and to Vcc for the MM1216. Note 2: The cause of oscillation is due to set wiring and capacitance changes in capacitor caused by temperatures changes, so please take extra care in placing the wires. Characteristics 5 (MM1215) Output voltage characteristic Output voltage (V) No-load input current Consuption current (A) 500 400 300 200 100 0 0 2 4 6 8 10 12 14 16 18 4 3 2 1 0 0 1 2 3 4 5 6 Input voltage (V) Input voltage (V) I/O voltage difference (VIN=2.8V) I/O voltage difference (V) 0.5 0.4 0.3 0.2 0.1 0 0 100 200 300 400 500 Input fluctuation rate Input fluctuation rate (mV) 20 15 10 5 0 -5 -10 -15 -20 4 6 8 10 12 14 16 18 Output current (mA) Output voltage (V) MITSUMI Low-Saturation Three-Pin Regulators with Externally Mounted Power Transistor MM1215 and 1216 Load fluctuation Load fluctuation rate 30 20 10 0 -10 -20 -30 0 100 200 300 400 500 Ripple rejection rate Ripple rejection rate (dB) 100 90 80 70 60 50 40 30 20 10 0 10 100 1k 10k 100k Output current (mA) Frequency (Hz) Output temperature characteristic 3.06 Output voltage (V) 3.04 3.02 3 2.98 2.96 2.94 2.92 -25 0 25 50 75 100 125 Temperature (C) Application Circuits ESR Stable region 100 10 MM1215J (Ceramic capacitor reference data when 10F.) Instability Region ESR () 1 0.1 0.01 0.01 Stable Region Unmeasurement region 0.1 1 10 100 1000 Output Current (mA) Note: Stable region reference data at this current. |
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