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| MITSUMI Composite Regulator MM1448 Composite Regulator Monolithic IC MM1448 Outline This IC was developed as a composite power supply for the RF section of mobile telephones. It is composed of three normal voltage regulator circuits, of which the output of one circuit is divided for two switching circuits. The regulator output voltage is fixed, and each can be set between 2.0V and 5.0V according to the customer's needs. Output noise voltage noise reduction is made possible by using the noise reduction pin. Also, switch pins are provided to control each output, making this an ideal IC for use in portable equipment. Features 1. Input/output voltage difference 2. Output noise voltage 3. Output voltage precision 4. No-load input current 5. Input voltage 6. Max. output current 7. Output ON/OFF control Vo1 : 0.2V max. Vo2 : 0.2V max. Vo3 : 0.3V max. Vo1 : 30Vrms typ. Vo2 : 30Vrms typ. Vo3 : 30Vrms typ. Vo1, Vo2, Vo3 : 3% Vo1 : 170A typ. Vo2 : 170A typ. Vo3 : 170A typ. 12V max. 200mA max. High : ON, Low : OFF Rank Table Rank X B C Regulator Output Voltage VO2 2.8 0.08 2.8 0.08 2.9 0.08 VO1 2.5 0.08 2.8 0.08 2.9 0.08 VO3 3.0 0.08 3.0 0.08 2.9 0.08 Package VSOP-16 Applications 1. Mobile telephones, PHS 2. Video cameras 3. Portable communication equipment 4. Battery-powered portable equipment MITSUMI Composite Regulator MM1448 Pin Assignment 16 15 14 13 12 11 10 9 1 2 3 4 5 6 7 8 VO1 NS1 PS1 VIN PS3 NS3 PS2 NS2 9 10 11 12 13 14 15 16 VO2 GND PS4 VO4 NC VO5 PS5 VO3 12345678 VSOP-16 (TOP VIEW) Equivalent Circuit Diagram Absolute Maximum Ratings Item Storage Temperature Operating Temperature Power Supply Voltage Output Current (1 circuit) Power Consumption Symbol TSTG TOPR VIN IO (n) Pd Rating -40~+125 -20~+75 -0.3~+12 200 400 (IC only) Unit C C V mA mW Recommended Operating Conditions Item Operating Temperature Operating Voltage Regulator Output Current (1 circuit) Symbol TOP VOP IO (n) Rating -20~75 1.8~12 0~100 Unit C V mA MITSUMI Composite Regulator MM1448 Electrical Characteristics Item Standby current Operating currents 1~3 (for 1 circuit; all 3 circuits the same) VO1 Output voltage Minimum input/ output voltage difference Load fluctuation Input fluctuation Output voltage temperature coefficient Ripple rejection rate Output noise voltage Output rise time VO2 Output voltage Minimum input/ output voltage difference Load fluctuation Input fluctuation Output voltage temperature coefficient Ripple rejection rate Output noise voltage Output rise time VO3 Output voltage Minimum input/ output voltage difference Load fluctuation Input fluctuation Output voltage temperature coefficient Ripple rejection rate Output noise voltage Output rise time VO4 Output voltage Output current Output rise time Reactive current VO5 Output voltage Output current capacity Output rise time Reactive current PS output control pin Psn pin OFF voltage Psn pin ON voltage Psn pin inflow current Typical model : MM1448B (Except where noted otherwise, Ta=25C, VIN=4V, CIN=10F, CVO (n)=4.7F+1, Cns (n)=0.01F) Symbol Iins IIN1~3 Measurement conditions VPS1=VPS2=VPS3=0V No-load (unload) VPS1=3V, VPS2=VPS3=VPS4~VPS5=0V VPS2=3V, VPS1=VPS3=VPS4~VPS5=0V VPS3=3V, VPS1=VPS2=VPS4~VPS5=0V Io1=30mA VIN=2.6V, Io1=30mA Io1=0~100mA VIN=4.0~8.0V, Io1=30mA Tj=-20~75C, IO1=30mA f=120Hz, VRIPPLE=1VP-P, Io1=30mA f=10Hz~10kHz, Io1=30mA, Cns1=0.01F Io1=30mA, VPS1=0 4V Io2=30mA VIN=2.6V, Io2=30mA Io2=0~100mA VIN=4.0~8.0V, IO2=30mA Tj=-20~75C, IO2=30mA f=120Hz, VRIPPLE=1VP-P, Io2=30mA f=10Hz~10kHz, Io2=30mA, Cns2=0.01F Io2=30mA, VPS2=0 4V Io3=30mA VIN=2.8V, Io3=30mA Io3=0~100mA VIN=4.0~8.0V, IO3=30mA Tj=-20~75C, IO3=30mA f=120Hz, VRIPPLE=1VP-P, Io3=30mA f=10Hz~10kHz, Io3=30mA, Cns3=0.01F Io3=30mA, VPS3=0 4V Io3=Io4=20mA, Io5=40mA VO4=2.72V, Io3=Io5=0mA Io4=20mA, CVO4=1F, VPS4=0 4V IO4=20mA, VO3=3V Io3=Io4=20mA, Io5=40mA VO5=2.72V, Io3=Io4=0mA Io5=40mA, COUT5=1F, VPS5=0 IO5=40mA, VO3=3V Min. Typ. Max. Unit 0 3 A 170 350 A VO1 Vdmin1 VLo1 VLi1 VO1/ T RR1 Vn1 TdH1 VO2 Vdmin2 VLo2 VLi2 VO2/ T RR2 Vn2 TdH2 VO3 Vdmin3 VLo3 VLi3 VO3/ T RR3 Vn3 TdH3 VO4 IO4 TdH4 Iq4 VO5 IO5 TdH5 Iq5 VOFF VON IPSn 2.72 2.80 2.88 0.20 60 20 V V mV mV ppm/C 100 50 60 30 0.04 2.80 60 0.8 2.88 0.20 60 20 100 50 60 30 0.04 3.00 60 0.8 3.08 0.20 60 20 100 50 60 30 0.04 60 0.8 VO3 0.02 0.5 2.82 80 4V 0.02 2 0.1 0.8 VO3 0.1 2.8 0.4 1.6 dB Vrms ms V V mV mV ppm/C dB Vrms ms V V mV mV ppm/C dB Vrms ms V mA ms mA V mA ms mA V V A 2.72 2.92 2.82 50 VPSn=1.6V 10 MITSUMI Composite Regulator MM1448 Measurement Circuit Note 1: Output capacitance definitely is required to perform regulator and switch phase compensation. Also, please note that oscillation may occur depending on the ESR value. Note 2: Vo pin output noise voltage is reduced using NS pin capacitance value. Even if there is no need to take output noise voltage into consideration, connection of a capacitor is recommended for stable operation and improvement of AC characteristics. Note 3: 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 Input-Output Differential Voltage Input-Output Differential Voltage (mV) Line Regulation Line regulation (mV) 250 200 150 100 50 0 0 50 100 150 20 10 0 -10 -20 4 6 8 10 12 VIN (V) Output current (mA) MITSUMI Composite Regulator MM1448 Load Regulation Load regulation (mV) Thermal Shutdown Output voltage (V) 4 3 2 1 0 0 50 100 150 200 60 40 20 0 -20 -40 -60 0 50 100 Output current (mA) Temperature (C) Output Current Output voltage (V) 4 ESR Stable Region 1000 Instability Region 2 1 0 0 100 200 300 ESR () 3 100 10 1 0.1 0.01 0.01 0.1 Unmeasurement Region Area of stable operation (Stable Region) Output current (mA) 1 10 100 IOUT (mA) Note: Reference data IO4 (5) - VO34 (35)(VO3=3V) 5.00E-01 4.00E-01 VO (V) 3.00E-01 2.00E-01 1.00E-01 0.00E+00 0 0.02 0.04 0.06 0.08 0.1 VO4 VO5 IO (A) IO4 (5) -Iq4 (5)(VO3=3V) 6.00E-03 5.00E-03 4.00E-03 3.00E-03 2.00E-03 1.00E-03 0.00E+00 0 0.02 0.04 0.06 0.08 0.1 Iq (A) VO4 VO5 IO (A) |
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