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| MITSUMI Microminiature Low-Noise, Low-Saturation Three-Pin Regulator MM1320 Microminiature Low-Noise, Low-Saturation Three-Pin Regulator Monolithic IC MM1320 Outline This IC is a microminiature low-noise stabilized power supply device featuring a highly precise output voltage and a small input/output voltage difference of only 0.15V at an output current of 60mA. The IC delivers output currents of up to 200mA, and through use of a noise pin output noise is diminished even further. An on/off pin can be used to turn the output on and off. Features 1. 2. 3. 4. 5. 6. Input/output voltage difference Output noise voltage Maximum output current No-load input current With internal overcurrent protection and thermal shutdown circuits Output voltage ranks 0.15V typ. (IO=60mA) 30VRMS typ. (Cn=0.01F) 150mA max. 170A typ. 2~3.3V (0.1 V steps) 3.5V, 4V, 4.5V, 5V High : ON, Low : OFF 7. Output on/off control function Package SOT-25A (MM1320 N) The output voltage rank appears in the boxes. * Applications 1. 2. 3. 4. Cordless phones Portable phones, PHS Portable minidiscs Other portable equipment which uses batteries Pin Assignment 1 5 4 2 3 1 2 3 4 5 SOT-25A CONT GND NOISE VOUT VIN MITSUMI Microminiature Low-Noise, Low-Saturation Three-Pin Regulator MM1320 Equivalent Circuit Diagram (MM1320) Absolute Maximum Ratings Item Storage temperature Operating temperature Power supply current Output current Power consumption Symbol TSTG TOPR VCC IOUT Pd Ratings -40~+125 -20~+75 -0.3~+12 200 150 Units C C V mA mW Recommended Operating Conditions Item Operating temperature Output current Operating voltage Symbol TOPS IOPS VOP Ratings -20~+75 150 1.8~10 Units C mA V MITSUMI Microminiature Low-Noise, Low-Saturation Three-Pin Regulator MM1320 Electrical Characteristics Item Output voltage No-load consumption current Input current while off I/O voltage difference Input fluctuations Load fluctuation (Except where noted otherwise, Ta=25C) Symbol Vo Iccq1 Iccq2 Vd min. V1 V2 Vo/ T Measurement conditions VIN=VOUT+1V, Io=30mA VIN=VOUT+1V, Io=0mA VIN=VOUT+1V, Vcont=0V VIN=VOUT-0.2V, Io=60mA VIN=VOUT+1V~5V, Io=30mA Io=0~100mA, VIN=VOUT+1V Tj=-20~+75C, Io=30mA Min. Typ. Max. Units V A A V mV mV ppm/C VOUT-2% VOUT VOUT+2% 170 340 1 0.15 10 30 100 0.25 20 60 Output voltage temperature coefficient VIN=VOUT+1V VIN=VOUT+1V, f=120Hz Ripple rejection rate RR VRIPPLE=1V, Io=30mA VIN=VOUT+1V, f=20~80kHz Output noise voltage Vn Io=30mA, Cnoise=0.01uF CONT pin current while off CONT pin current while on CONT pin high level CONT pin low level IOFF ION H L Vcont=0.4V Vcont=1.6V 1.6 -0.3 (3V item) 1 5 3 10 VIN+0.3 0.4 A A V V 30 Vrms 50 60 dB Measuring Circuit MITSUMI Microminiature Low-Noise, Low-Saturation Three-Pin Regulator MM1320 Output voltage rank Rnak A B C D E F G H J Voltage 5.0V 4.5V 4.0V 3.5V 3.3V 3.2V 3.1V 3.0V 2.9V Rnak K L M N P R S T U Voltage 2.8V 2.7V 2.6V 2.5V 2.4V 2.3V 2.2V 2.1V 2.0V Characteristics (MM1320) I/O voltage difference 0.5 VIN=2.8V Allowable loss 500 Board:60 40 1.6tmm I/O voltage difference (mA) Allowable loss (mW) 0.4 400 with board mounted 300 200 100 0 -25 0.3 0.2 Unit 0.1 0 0 20 40 60 80 100 Ambient temperature (C) 0 25 50 75 100 125 Output voltage (mA) Output voltage temperature characteristic VIN=4V, IOUT=30mA No-load consumption current IOUT=0mA Consuption current (mA) 3.2 2.0 1.5 1.0 0.5 0 0 2 4 6 8 10 12 Output voltage (V) 3.1 3.0 2.9 2.8 -25 Input voltage (V) 0 25 75 100 125 Ambient temperature (C) MITSUMI Microminiature Low-Noise, Low-Saturation Three-Pin Regulator MM1320 Output voltage 5 IOUT=30mA Input fluctuction IOUT=30mA Output voltage (V) 4 3 2 1 0 0 2 4 6 8 10 12 Output voltage (mV) Input voltage (mA) 20 10 0 -10 4 6 8 10 12 Input voltage (V) Load fluctuation 40 20 VIN=4V Current limit 5 4 VIN=4V Output voltage (mV) 0 Output voltage (V) 0 20 40 60 80 100 3 -20 2 -40 1 0 0 50 100 150 200 250 Output current (mA) Output current (mA) Ripple rejection rate VIN=4V, IOUT=30mA Input transient response IOUT=60mA Ripple rejection rate (dB) Input voltage (V) Input voltage (V) 80 7V 6V 60 40 20mV 20 0 10 100 1k 10k 100k 1M 50S Frequency (Hz) MITSUMI Microminiature Low-Noise, Low-Saturation Three-Pin Regulator MM1320 Output noise voltage Output voltage (V) Output current (mA) VIN=4V, IOUT=30mA Input transient response VIN=4V Output noise voltage (Vrms) 100 100mA 50mA 75 50 20mV 25 0 0.0001 0.001 0.01 0.1 20S Noise pin capacitance (F) |
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