MM157 MM161 MM1571F MM1571G MM1571H MM1571J MM1571K MM1572A MM1572B MM1572C

150mA Regulator MM157 N, 161 150mA Regulator Monolithic IC MM157 N, 161 N Outline This IC is an ultra-small, low noise, stable

MITSUMI 150mA Regulator MM157 MM157 N, 161 150mA Regulator Monolithic IC MM157 MM157 N, 161 N Outline This IC is an ultra-small, low noise, stable power supply that supports ceramic capacitors (low ESR) Output current goes up to 150mA, and use of a noise pin reduces output noise even further. Output ON/OFF can be controlled with the ON/OFF pin. Features 1. I/O voltage difference 2. Output noise voltage 3. Recommended maximum output current 4. No-load current consumption 5. Built-in overcurrent protection and thermal shutdown circuits 6. Output voltage rank 7. Output ON/OFF control function 0.10V typ. (IO=50mA) 30µVrms typ. (Cn=0.01µF) 150mA max. 85µA typ. 1.5 ~ 5.0V (0.1V steps) High: ON, Low: OFF Package SOT-25A (MM157 MM157 N, MM161 MM161 N) contains the output voltage rank. * Applications 1. Cordless telephone 2. Cellular telephone, PHS 3. Portable MD 4. Other battery-powered portable equipment Pin Assignment MM157 MM157 5 1 4 2 3 1 2 3 4 5 N VIN GND CONT Noise VO MM161 MM161 1 2 3 4 5 N CONT GND Noise VOUT VIN SOT-25A (TOP VIEW) *The component MM161 MM161 N is MM157 MM157 N with changed pin configuration. N MITSUMI 150mA Regulator MM157 MM157 N, 161 Equivalent Circuit Diagram VIN Cin 1µF VO Co 1µF Bias CONT Reference Driver Current limitter Thermal shutdown GND Noise Cn 0.01µF Pin Description Typical model: MM157 MM157 N Pin No. Pin name Function 1 VIN Input pin The capacitor is required to connect with input pin more than 1µF. 2 3 GND CONT Internal equivalent circuit diagram Ground ON/OFF Control pin CONT VO H ON L OFF CONT pin must be connected with VIN pin, if it is not used. Input circuit N MITSUMI 150mA Regulator MM157 MM157 Pin No. Pin name Function 4 Noise 5 VO Noise decrease pin Connecting 0.01µF capacitor can decrease output noise. If the noise decrease capacitor is not connected, the pin may be influenced by outside noise. Output pin The capacitor must be connected with output pin more than 1µF. Absolute Maximum Ratings Item Storage temperature Operating temperature Supply voltage Allowable loss Internal equivalent circuit diagram (Ta=25°C) Symbol TSTG TOPR VIN Pd Ratings -40~+150 -30~+85 -0.3~+12 150 (Not attached) Units °C °C V mW Ratings 0~150 VOUT Typ. +0.5~+12 Units mA V Recommend Operating Conditions Recommended Item Output current Operating voltage N, 161 Symbol IOUT VOP N MITSUMI 150mA Regulator MM157 MM157 Electrical Characteristics 1 Item No-Load input current Input current (OFF) Output voltage Dropout voltage 2 Line regulation Load regulation VOUT temperature coefficient 1 Ripple rejection 1 1 Ripple rejection 2 1 Output noise voltage 1 CONT pin input current CONT pin high threshold level CONT pin low threshold level * * * * * N, 161 (Except where noted otherwise, Ta=25°C, VIN=VO Typ. +1V, IO=1mA, VCONT=2V) Symbol ICC ICCOFF VOUT Vio V1 V2 VOUT/ T RR1 RR2 Vn ICONT VCONTH VCONTL Measurement conditions IO=0mA VCONT=0V VIN=VO-0.2V, IO=50mA VIN=VO Typ. +1~10V IO=1~150mA Tj=-30~+85°C f=120Hz VRIPPLE=1V f=1kHz, Cn=0.01µF VRIPPLE=1V fBW=20~80kHz Cn=0.01µFC VCONT=5V Min. Typ. Max. Units 85 130 µA 0 0.1 µA 0.98 1.02 V 0.1 0.2 V 10 20 mV 30 90 mV 100 ppm/°C 50 70 dB 60 dB 30 µVrms 5 15 µA 1.6 VIN+0.3 V -0.3 0.4 V Note 1: 1 The parameter is guaranteed by design. Note 2: 2 The parameter is not guaranteed in the model less than VOUT=2V * * Electrical Characteristics 2 N Typical model: MM157 MM157 N Output Voltage Product Test Output voltage name conditions Min. Typ. Max. MM1571F MM1571F 1.470 1.5 1.530 MM1571G MM1571G 1.568 1.6 1.632 MM1571H MM1571H 1.666 1.7 1.734 MM1571J MM1571J 1.764 1.8 1.836 MM1571K MM1571K 1.862 1.9 1.938 MM1572A MM1572A 1.960 2.0 2.040 MM1572B MM1572B 2.058 2.1 2.142 MM1572C MM1572C 2.156 2.2 2.244 MM1572D MM1572D 2.254 2.3 2.346 MM1572E MM1572E 2.352 2.4 2.448 MM1572F MM1572F 2.450 2.5 2.550 IO=1mA MM1572G MM1572G 2.548 2.6 2.652 MM1572H MM1572H 2.646 2.7 2.754 MM1572J MM1572J 2.744 2.8 2.856 MM1572K MM1572K 2.842 2.9 2.958 MM1573A MM1573A 2.940 3.0 3.060 MM1573B MM1573B 3.038 3.1 3.162 MM1573C MM1573C 3.136 3.2 3.264 MM1573D MM1573D 3.234 3.3 3.366 MM1573E MM1573E 3.332 3.4 3.468 MM1573F MM1573F 3.430 3.5 3.570 MM1573G MM1573G 3.528 3.6 3.672 Product Test Output voltage name conditions Min. Typ. Max. MM1573H MM1573H 3.626 3.7 3.774 MM1573J MM1573J 3.724 3.8 3.876 MM1573K MM1573K 3.822 3.9 3.978 MM1574A MM1574A 3.920 4.0 4.080 MM1574B MM1574B 4.018 4.1 4.182 MM1574C MM1574C 4.116 4.2 4.284 MM1574D MM1574D 4.214 4.3 4.386 IO=1mA MM1574E MM1574E 4.312 4.4 4.488 MM1574F MM1574F 4.410 4.5 4.590 MM1574G MM1574G 4.508 4.6 4.692 MM1574H MM1574H 4.606 4.7 4.794 MM1574J MM1574J 4.704 4.8 4.896 MM1574K MM1574K 4.802 4.9 4.998 MM1575A MM1575A 4.900 5.0 5.100 Rank is indicated inside * Example: MM1613N MM1613N is 3.9Vfor MM161 MM161 typ. N. MITSUMI Measuring Circuit 150mA Regulator MM157 MM157 Typical model: MM157 MM157 N, 161 N N Ceramic 1µF Ceramic 0.01µF * A V 5 4 VO Noise VIN GND CONT 1 2 3 A A 1µF Ceramic Application Circuit Typical model: MM157 MM157 Ceramic 1µF * N Ceramic 0.01µF * 5 4 VO Noise VIN GND CONT 1 2 3 1µF Ceramic * *Temperature Characteristics: Note 1. The output capacitor is required between output and GND to prevent oscillation. 2. Use a capacitance that is within the ESR characteristics stable range for output capacity. It is possible to use a ceramic capacitor without ESR resistance for output. The ceramic capacitor must be used more than 1µF and B type temperature characteristics. 3. The wire of Vcc and GND is required to print full ground plane for noise and stability. 4. The input capacitor must be connected a distance of less than 1cm from input pin. B Type MITSUMI 150mA Regulator MM157 MM157 Characteristics Input Current-Input Voltage RL=2.8k Input Current IIN (mA) Output Voltage VO (V) RL= 1.5 3.5 2.5 2.0 RL=93 1.5 1.0 RL=19 0.5 1.0 0.5 0.0 0.0 0 2 4 6 8 10 0 12 2 Load Regulation 8 10 12 RL=2.8k 2.845 Output Voltage VO (V) Output Voltage VO (V) 6 Line Regulation 2.90 2.85 2.80 2.75 2.840 2.835 2.830 2.825 2.70 50 100 150 200 250 2 300 4 Dropout Voltage-Output Current 0.3 0.2 0.1 0 50 100 150 200 Output Current IO (mA) 10 12 250 RL=2.8k 2.90 Output Voltage VO (V) 0.4 0 8 Output Voltage- Ambient Temperature VIN=2.6V 0.5 6 Input Voltage VIN (V) Output Current IO (mA) Dropout Voltage VIO (V) 4 Input Voltage VIN (V) Input Voltage VIN (V) 0 N (2.8V product Except where noted otherwise, Ta=25°C, VIN=VO+1V, VCONT=2V, CIN=1µF, Co=1µF, Cn=0.01µF) Output-Input Voltage 3.0 N, 161 2.85 2.80 2.75 2.70 -50 -25 0 25 50 75 100 125 150 Ambient Temperature Ta (°C) MITSUMI 150mA Regulator MM157 MM157 Ripple Rejection Ripple Rejection Cn=0.01µF -10 -20 -30 IO=150mA IO=100mA -50 -60 -70 IO=30mA -80 0.01 0.1 1 10 100 Cn=0 0 Ripple Rejection RR (dB) Ripple Rejection RR (dB) 0 -40 -10 -20 IO=100mA -30 -40 IO=150mA -50 -60 -70 IO=30mA -80 0.01 1000 0.1 Frequency f (kHz) 20 15 10 5 0 150 200 100 50 0 0.00001 250 0.0001 0.001 0.01 0.1 Noise Reduction Capacitor Cn (µF) ESR Stability Area ESR Stability Area CIN=CO=1µF 10 1 Stable area CIN=CO=0.47µF 10 ESR () ESR () 1000 150 Output Current IO (mA) 0.1 100 200 Output Noise Voltage Vn (µVrms) GND Pin Current ICC (mA) 25 100 10 Output Noise Voltage 30 50 1 Frequency f (kHz) GND Pin Current 0 N, 161 1 0.1 Stable area 0.01 0.01 0 50 100 150 200 Output Current IO (mA) 250 0 50 100 150 200 Output Current IO (mA) 250 N MITSUMI 150mA Regulator MM157 MM157 Load Transient Respones (IO=0 100mA) CIN=CO=1µF, CH1=10mV CH2=50mV AC 10 : 1 DC 1 : 1 Cn=0.01µF 10µs/div IO: 50mA/div Load Transient Respones (IO=0 100mA) CIN=CO=0.47µF, CH1=10mV CH2=50mV AC 10 : 1 DC 1 : 1 100mA Cn=0.01µF 10µs/div IO: 50mA/div GND VO: 50mV/div Line Transient Respones (VIN=3.8 4.8V, IO=30mA) CIN=0, CH2=20mV AC 10 : 1 Line Transient Respones (VIN=3.8 4.8V, IO=30mA) CO=1µF, Cn=0.01µF 10µs/div VIN: 2V/div CH1=2V DC 1 : 1 CIN=0, CO=0.47µF, Cn=0.01µF CH2=20mV 10µs/div AC 10 : 1 4V VIN: 2V/div GND VO: 20mV/div Turn-On Transient Respones VIN=VCONT=0 CH2=2V DC 10 : 1 4V GND VO: 20mV/div CH1=2V DC 10 : 1 100mA GND VO: 50mV/div CH1=2V DC 1 : 1 N, 161 Turn-On Transient Tespones VIN=3.8V, VCONT=0 CH2=2V CH1=2V DC 10 : 1 DC 10 : 1 3.8V, IO=30mA 100µs/div 3.8V, IO=30mA 100µs/div 4V 4V Cont: 2V/div VIN, Cont: 2V/div GND 4V VO: 2V/div GND 4V GND VO: 2V/div GND N MITSUMI 150mA Regulator MM157 MM157 Characteristics Load Regulation 1.90 Output Voltage VO (V) Output Voltage VO (V) 2.0 1.5 RL=1.8k 1.0 RL=60 RL=12 0.5 1.85 1.80 1.75 0.0 1.70 0 2 4 6 8 10 12 0 Input Voltage VIN (V) RL=1.8k 150 200 250 300 1.83 1.82 1.81 1.85 1.80 1.75 1.80 6 8 10 RL=1.8k 1.90 Output Voltage VO (V) Output Voltage VO (V) 1.84 1.70 -50 -25 12 Input Voltage VIN (V) 0 25 50 75 100 125 150 Ambient Temperature Ta (°C) ESR Stability Area ESR Stability Area CIN=CO=1µF 10 Stable area 0.01 CIN=CO=0.47µF 10 ESR () 1 0.1 100 Output Voltage- Ambient Temperature 1.85 4 50 Output Current IO (mA) Line Regulation 2 1 0.1 Stable area 0.01 0 50 N (1.8V product Except where noted otherwise, Ta=25°C, VIN=VO+1V, VCONT=2V, CIN=1µF, Co=1µF, Cn=0.01µF) Output-Input Voltage ESR () N, 161 100 150 200 Output Current IO (mA) 250 0 50 100 150 200 Output Current IO (mA) 250 MITSUMI 150mA Regulator MM157 MM157 Characteristics Load Regulation 3.60 Output Voltage VO (V) Output Voltage VO (V) 5.0 4.0 RL=3.5k 3.0 2.0 RL=117 1.0 RL=23 3.55 3.50 3.45 0.0 3.40 0 2 4 6 8 10 12 0 Input Voltage VIN (V) RL=3.5k 150 200 250 300 3.51 3.50 3.49 3.48 3.55 3.50 3.45 3.47 6 8 10 RL=3.5k 3.60 Output Voltage VO (V) Output Voltage VO (V) 100 Output Voltage- Ambient Temperature 3.52 3.40 -50 -25 12 Input Voltage VIN (V) 0 25 50 75 100 125 150 Ambient Temperature Ta (°C) ESR Stability Area ESR Stability Area CIN=CO=1µF 10 Stable area 0.01 CIN=CO=0.47µF 10 ESR () 1 0.1 50 Output Current IO (mA) Line Regulation 4 1 0.1 Stable area 0.01 0 50 N (3.5V product Except where noted otherwise, Ta=25°C, VIN=VO+1V, VCONT=2V, CIN=1µF, Co=1µF, Cn=0.01µF) Output-Input Voltage ESR () N, 161 100 150 200 Output Current IO (mA) 250 0 50 100 150 200 Output Current IO (mA) 250