mitsumi 150ma regulator mm157 n, 161 n 150ma regulator monolithic ic 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 0.10v typ. (i o =50ma) 2. output noise voltage 30vrms typ. (cn=0.01f) 3. recommended maximum output current 150ma max. 4. no-load current consumption 85a typ. 5. built-in overcurrent protection and thermal shutdown circuits 6. output voltage rank 1.5 ~ 5.0v (0.1v steps) 7. output on/off control function high: on, low: off package sot-25a (mm157 n, mm161 n) * contains the output voltage rank. applications 1. cordless telephone 2. cellular telephone, phs 3. portable md 4. other battery-powered portable equipment 13 5 2 4 sot - 25a (top view) 1 v in 2 gnd 3 c ont 4 noise 5 v o pin assignment mm157 n 1 c ont 2 gnd 3 noise 4 v out 5 v in mm161 n * the component mm161 n is mm157 n with changed pin configuration.
mitsumi 150ma regulator mm157 n, 161 n equivalent circuit diagram gnd v in bias c ont driver limitter current noise o v shutdown thermal reference co 1 f 0.01 f cn 1 f cin pin description typical model: mm157 n pin no. pin name function internal equivalent circuit diagram input circuit 1 v in input pin the capacitor is required to connect with input pin more than 1?. 2 gnd ground 3 c ont on/off control pin c ont pin must be connected with v in pin, if it is not used. c ont v o hon l off
mitsumi 150ma regulator mm157 n, 161 n pin no. pin name function internal equivalent circuit diagram 4 noise noise decrease pin connecting 0.01? capacitor can decrease output noise. if the noise decrease capacitor is not connected, the pin may be influenced by outside noise. 5 v o output pin the capacitor must be connected with output pin more than 1?. absolute maximum ratings (ta=25?) item symbol ratings units storage temperature t stg - 40~+150 c operating temperature t opr - 30~+85 c supply voltage v in - 0.3~+12 v allowable loss pd 150 (not attached) mw recommend recommended operating conditions item symbol ratings units output current i out 0~150 ma operating voltage v op v out typ. +0.5~+12 v
mitsumi 150ma regulator mm157 n, 161 n electrical characteristics 1 (except where noted otherwise, ta=25?, v in =v o typ. +1v, i o =1ma, v cont =2v) electrical characteristics 2 typical model: mm157 n item symbol measurement conditions min. typ. max. units no-load input current i cc i o =0ma 85 130 ? input current (off) i ccoff v cont =0v 0 0.1 ? output voltage v out 0.98 1.02 v dropout voltage * 2 vio v in =v o - 0.2v, i o =50ma 0.1 0.2 v line regulation v1 v in =v o typ. +1~10v 10 20 mv load regulation v2 i o =1~150ma 30 90 mv v out temperature coefficient * 1 v out / t tj= - 30~+85 c 100 ppm/ c ripple rejection 1 * 1 rr1 f=120hz v ripple =1v 50 70 db ripple rejection 2 * 1 rr2 f=1khz, cn=0.01? v ripple =1v 60 db output noise voltage * 1 vn fbw=20~80khz cn=0.01?c 30 ?rms c ont pin input current i cont v cont =5v 5 15 a c ont pin high threshold level v cont h 1.6 v in +0.3 v c ont pin low threshold level v cont l - 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 v out =2v product test output voltage name conditions min. typ. max. mm1571f 1.470 1.5 1.530 mm1571g 1.568 1.6 1.632 mm1571h 1.666 1.7 1.734 mm1571j 1.764 1.8 1.836 mm1571k 1.862 1.9 1.938 mm1572a 1.960 2.0 2.040 mm1572b 2.058 2.1 2.142 mm1572c 2.156 2.2 2.244 mm1572d 2.254 2.3 2.346 mm1572e 2.352 2.4 2.448 mm1572f 2.450 2.5 2.550 mm1572g 2.548 2.6 2.652 mm1572h 2.646 2.7 2.754 mm1572j 2.744 2.8 2.856 mm1572k 2.842 2.9 2.958 mm1573a 2.940 3.0 3.060 mm1573b 3.038 3.1 3.162 mm1573c 3.136 3.2 3.264 mm1573d 3.234 3.3 3.366 mm1573e 3.332 3.4 3.468 mm1573f 3.430 3.5 3.570 mm1573g 3.528 3.6 3.672 i o =1ma product test output voltage name conditions min. typ. max. mm1573h 3.626 3.7 3.774 mm1573j 3.724 3.8 3.876 mm1573k 3.822 3.9 3.978 mm1574a 3.920 4.0 4.080 mm1574b 4.018 4.1 4.182 mm1574c 4.116 4.2 4.284 mm1574d 4.214 4.3 4.386 mm1574e 4.312 4.4 4.488 mm1574f 4.410 4.5 4.590 mm1574g 4.508 4.6 4.692 mm1574h 4.606 4.7 4.794 mm1574j 4.704 4.8 4.896 mm1574k 4.802 4.9 4.998 mm1575a 4.900 5.0 5.100 i o =1ma * rank is indicated inside for mm161 n. example: mm1613n is 3.9v typ. output voltage
mitsumi 150ma regulator mm157 n, 161 n measuring circuit typical model: mm157 n 12 gnd 3 v o c ont noise in v a a ceramic * 1 f 1 f ceramic * 54 v ceramic 0.01 f a application circuit typical model: mm157 n 12 gnd 3 v o c ont noise in v ceramic * 1 f 1 f ceramic * 54 ceramic 0.01 f 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 1f 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. * temperature characteristics: b type
mitsumi 150ma regulator mm157 n, 161 n characteristics (2.8v product except where noted otherwise, ta=25?, v in =v o +1v, v cont =2v, c in =1?, co=1?, cn=0.01?) output-input voltage input current-input voltage 0.0 8 212 10 46 0 input voltage v in (v) 2.0 0.5 1.0 1.5 2.5 3.5 3.0 output voltage v o (v) r l =2.8k ? r l =93 ? r l =19 ? 0.0 81012 246 0 input voltage v in (v) 1.0 0.5 1.5 input current i in (ma) r l = load regulation 2.70 200 250 300 50 100 150 0 output current i o (ma) 2.80 2.75 2.90 2.85 output voltage v o (v) line regulation dropout voltage-output current 2.825 812 10 46 2 input voltage v in (v) 2.835 2.830 2.845 2.840 output voltage v o (v) r l =2.8k ? 0 150 200 250 50 100 0 output current i o (ma) 0.3 0.2 0.1 0.5 0.4 dropout voltage v io (v) v in =2.6v output voltage- ambient temperature 2.70 75 100 - 25 150 125 02550 - 50 ambient temperature ta ( c) 2.80 2.75 2.90 2.85 output voltage v o (v) r l =2.8k ?
mitsumi 150ma regulator mm157 n, 161 n ripple rejection ripple rejection - 80 10 1000 100 0.1 1 0.01 frequency f (khz) - 20 - 30 - 40 - 50 - 60 - 70 0 - 10 ripple rejection rr (db) cn=0.01 f i o =150ma i o =100ma i o =30ma - 80 10 1000 100 0.1 1 0.01 frequency f (khz) - 20 - 30 - 40 - 50 - 60 - 70 0 - 10 ripple rejection rr (db) cn=0 i o =150ma i o =100ma i o =30ma gnd pin current 0 150 200 250 50 100 0 output current i o (ma) 10 15 20 5 30 25 gnd pin current i cc (ma) output noise voltage esr stability area 0 0.01 0.1 0.0001 0.001 0.00001 noise reduction capacitor cn ( f) 100 50 200 150 output noise voltage vn ( vrms) 150 250 50 100 0 c in =c o =1 f 0.01 output current i o (ma) 1 0.1 10 esr ( ? ) 200 stable area esr stability area 150 250 50 100 0 c in =c o =0.47 f 0.01 output current i o (ma) 1 0.1 10 esr ( ? ) 200 stable area
mitsumi 150ma regulator mm157 n, 161 n load transient respones (i o =0 100ma) load transient respones (i o =0 100ma) c in =c o =1 f, cn=0.01 f ch1=10mv dc 1 : 1 ch2=50mv ac 10 : 1 100ma gnd 10 s/div i o : 50ma/div v o : 50mv/div c in =c o =0.47 f, cn=0.01 f ch1=10mv dc 1 : 1 ch2=50mv ac 10 : 1 100ma gnd 10 s/div i o : 50ma/div v o: 50mv/div line transient respones (v in =3.8 4.8v, i o =30ma) c in =0, c o =1 f, cn=0.01 f ch1=2v dc 1 : 1 ch2=20mv ac 10 : 1 4v gnd 10 s/div v in : 2v/div v o : 20mv/div line transient respones (v in =3.8 4.8v, i o =30ma) tu r n-on transient respones c in =0, c o =0.47 f, cn=0.01 f ch1=2v dc 1 : 1 ch2=20mv ac 10 : 1 4v gnd 10 s/div v in : 2v/div v o : 20mv/div v in =v cont =0 3.8v, i o =30ma ch1=2v dc 10 : 1 ch2=2v dc 10 : 1 4v 4v gnd gnd 100 s/div v in , cont: 2v/div v o : 2v/div tu r n-on transient tespones v in =3.8v, v cont =0 3.8v, i o =30ma ch1=2v dc 10 : 1 ch2=2v dc 10 : 1 4v 4v gnd gnd 100 s/div cont: 2v/div v o : 2v/div
mitsumi 150ma regulator mm157 n, 161 n characteristics (1.8v product except where noted otherwise, ta=25?, v in =v o +1v, v cont =2v, c in =1?, co=1?, cn=0.01?) output-input voltage load regulation 0.0 8 212 10 46 0 input voltage v in (v) 1.0 0.5 2.0 1.5 output voltage v o (v) r l =1.8k ? r l =60 ? r l =12 ? 1.70 200 300 250 50 100 150 0 output current i o (ma) 1.80 1.75 1.90 1.85 output voltage v o (v) line regulation 1.80 812 10 46 2 input voltage v in (v) 1.83 1.82 1.81 1.85 1.84 output voltage v o (v) r l =1.8k ? output voltage- ambient temperature esr stability area 1.70 75 100 - 25 150 125 02550 - 50 ambient temperature ta ( c) 1.80 1.75 1.90 1.85 output voltage v o (v) r l =1.8k ? 150 250 50 100 0 c in =c o =1 f 0.01 output current i o (ma) 1 0.1 10 esr ( ? ) 200 stable area esr stability area 150 250 50 100 0 c in =c o =0.47 f 0.01 output current i o (ma) 1 0.1 10 esr ( ? ) 200 stable area
mitsumi 150ma regulator mm157 n, 161 n characteristics (3.5v product except where noted otherwise, ta=25?, v in =v o +1v, v cont =2v, c in =1?, co=1?, cn=0.01?) output-input voltage load regulation 0.0 8 212 10 46 0 input voltage v in (v) 2.0 1.0 5.0 3.0 4.0 output voltage v o (v) r l =3.5k ? r l =117 ? r l =23 ? 3.40 200 300 250 50 100 150 0 output current i o (ma) 3.50 3.45 3.60 3.55 output voltage v o (v) line regulation 3.47 812 10 6 4 input voltage v in (v) 3.50 3.49 3.48 3.52 3.51 output voltage v o (v) r l =3.5k ? output voltage- ambient temperature esr stability area 3.40 75 100 - 25 150 125 02550 - 50 ambient temperature ta ( c) 3.50 3.45 3.60 3.55 output voltage v o (v) r l =3.5k ? 150 250 50 100 0 c in =c o =1 f 0.01 output current i o (ma) 1 0.1 10 esr ( ? ) 200 stable area esr stability area 150 250 50 100 0 c in =c o =0.47 f 0.01 output current i o (ma) 1 0.1 10 esr ( ? ) 200 stable area
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