fremont micro devices ft510xx www.fremontmicro.com page 1 of 9 ds510-a2 low power, 1.1ua ldo regulator features description ? maximum output current: more than 250ma ? dropout voltage: 160 mv @ 100ma (vout=3.0v) ? low power consumption 1.1ua (typ.) ? maximum operating voltage 6.0v ? output voltage range 2.8v to 3.6v ? input voltage range 2.8v to 6v ? highly accurate 2% ? operational temperature range -40 ~ 85 ? ultra small packages sot-23-3l and sot-89-3l ? low esr capacitor ceramic compatible the ft510xx series are precise, extra low power consumption, positive voltage regulators with a significantly small dropout voltage. each device contains a current limiter circuit, a pmos power transistor, a precision reference voltage and an error amplifier circuit. the ft510xx has been designed to be used with low capacitors and requires a minimum output capacitor of 1.0 uf. standard output voltage versions are 2.8v, 3.0v, 3.3v, 3.6v. appllications ? battery powered equipment ? cellular phones ? digital cameras, video cameras ? portable av systems ? communication tools ? portable games typical application circuit 1 2 3 rl 1uf 1uf vin vout gnd typical application circuit
fremont micro devices ft510xx www.fremontmicro.com page 2 of 9 ds510-a2 absolute maximum ratings* operating ambient temperature ------------------------------------------------------------------------ -40 o c to 85 o c storage temperature -------------------------------------------------------------------------------------- -55 o c to 125 o c maximum voltage ----------------------------------------------------------------------------------------- 6v output current --------------------------------------------------------------------------------------------- 500ma power dissipation ----------------------------------------------------------------------------------------- 400mw esd protection hbm ----------------------------------------------------------------------------------- 6000v mm ------------------------------------------------------------------------------------ 600v * stresses exceed those listed under ?absolute maximum ratings? may cause permanent damage to the device. functional operation of the device at conditions beyond those listed in the specification is not guaranteed. prolonged exposure to extreme conditions may affect device reliability or functionality. pin configuration terminal function pin name pin function vin power input voltage vout output voltage gnd ground
fremont micro devices ft510xx www.fremontmicro.com page 3 of 9 ds510-a2 ordering information ft510 ? designator symbol output voltage e 2.8v f 3.0v g 3.3v h 3.6v designator symbol package type a sot-23-3la b sot-89-3la c sot-89-3lb marking rule c represent product series symbol product series 2 ft510xx d represent output voltage and operating temperature range e represent the output voltage is 2.8v, operating temperature is ?40c ~ 85c. ?? for internal reference.
fremont micro devices ft510xx www.fremontmicro.com page 4 of 9 ds510-a2 block diagram c + - current limiter bandgap vin vout gnd block diagram electrical characteristics vin=vout+1v; cin=1.0uf; vout=2.8v parameter symbol conditions min typ max units output voltage vout iout=1ma 2.744 2.8 2.856 v input voltage vin 2.8 6 v maximum output current imax vin=vout+1v 250 ma load regulation v out 1ma iout 100ma 25 mv dropout voltage ** vdrp1 vdrp2 iout=100 ma iout=30 ma 180 80 mv supply current iq vin=vout+1v 1.1 ua line regulation vout/ ( vin* vout) vout+1.0v vout 6v iout=1ma 0.04 0.3 %/v output voltage temperature characteristics vout/ ( temp* v out) iout=1ma -40c temp 85c 100 ppm/c current limiter ishort vin=vout+1v, vout=2.8v 70 ma
fremont micro devices ft510xx www.fremontmicro.com page 5 of 9 ds510-a2 vin=vout+1v; cin=1.0uf; vout =3.0v parameter symbol conditions min typ max units output voltage vout iout=1ma 2.940 3.0 3.060 v input voltage vin 2.8 6 v maximum output current imax vin=vout+1v 250 ma load regulation vout 1ma iout 100ma 25 mv dropout voltage ** vdrp1 vdrp2 iout=100 ma iout=30 ma 160 70 mv supply current iq vin=vout+1v 1.1 ua line regulation vout/ ( vin* vout) vout+1.0v vout 6v iout=1ma 0.04 0.3 %/v output voltage temperature characteristics vout/ ( temp* vout) iout=1ma -40c temp 85c 100 ppm/c current limiter ishort vin=vout+1v, vout=3.0v 70 ma vin=vout+1v; cin=1.0uf; vout =3.3v parameter symbol conditions min typ max units output voltage vout iout=1ma 3.234 3.3 3.366 v input voltage vin 2.8 6 v maximum output current imax vin=vout+1v 250 ma load regulation vout 1ma iout 100ma 25 mv dropout voltage ** vdrp1 vdrp2 iout=100 ma iout=30 ma 150 60 mv supply current iq vin=vout+1v 1.1 ua line regulation vout/ (vin * vout) vout+1.0v vout 6v iout=1ma 0.04 0.3 %/v output voltage temperature characteristics vout/ ( temp* vout) iout=1ma -40c temp 85c 100 ppm/c current limiter ishort vin=vout+1v, vout=3.3v 70 ma dropout voltage is defined as the input to output differential at which the output voltage drops 2% below its nominal value measured at 1v differential.
fremont micro devices ft510xx www.fremontmicro.com page 6 of 9 ds510-a2 typical performance ch aracteristics ft510f vout=3.0v, vin=4.0v, cin=co=1uf, temp=27c unless otherwise noted 1. output voltage vs. output current 2. output voltage vs. input voltage 2.8 2.9 3 3.1 3.2 0 50 100 150 200 output current(ma) output voltage (v) temp=-40 temp=27 temp=85 2.8 2.9 3 3.1 3.2 3456 input voltage (v) output voltage(v) iout=1ma iout=40ma iout=100ma 3. supply current vs. input voltage 4. output voltage vs. temperature 0.5 0.75 1 1.25 1.5 456 input voltage(v) supply current(ua) temp=-40c temp=27c temp=85c 2.6 2.7 2.8 2.9 3 3.1 3.2 -50 0 50 100 temp(c) output voltage(v) iout=1ma iout=10ma iout=40ma iout=100ma 5. input transient response (1) 6. input transient response (2) -4 -2 0 2 4 6 0.5 1 1.5 2 2.5 3 time(0.5msec/div) input voltage(v) 0 1 2 3 4 5 output votlage (v) input voltage output voltage 1 2 3 4 5 6 12345 time(1msec/div) input voltage ( v ) 2.5 3 3.5 4 4.5 5 output votlage (v) input voltage output voltage
fremont micro devices ft510xx www.fremontmicro.com page 7 of 9 ds510-a2 7. load transient response 8. current limiting 0 40 80 120 160 200 12345 time(1msec/div) output current (ma) 0 1 2 3 4 5 output votlage (v) output current output voltage 0 1 2 3 4 0 100 200 300 400 500 output current(ma) output voltage (v) vin=4 vin=5 vin=6 9. power supply ripple rejection 10 20 30 40 50 60 70 80 0.01 0.1 1 10 ripple frequency (khz) ripple rejection rate rr(db)
fremont micro devices ft510xx www.fremontmicro.com page 8 of 9 ds510-a2 packaging information sot-23-3l
fremont micro devices ft510xx www.fremontmicro.com page 9 of 9 ds510-a2 sot-89-3l
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