parameter symbol unit conditions ratings absolute maximum ratings electrical characteristics parameter symbol min typ max unit conditions ratings (ta=25?) power supply voltage 1 power supply voltage 2 power supply voltage 3 output terminal voltage input terminal voltage output current power dissipation storage temperature channel temperature min. operating power supply voltage operating power supply voltage 1 operating power supply voltage 2 quiescent circuit current 1 quiescent circuit current 2 pwm terminal input voltage pwm terminal input current hold terminal input voltage hold terminal input current output on resistance current sensing resistance overcurrent protection starting current thermal shutdown operating temperature operation circuit for current monitor output current monitor output voltage current monitor output current output transfer time output rise time output fall time current monitor output hold time current monitor output delay time hold time after inputting hold s/h settling time v b v cc v b vsense + vsense v out v pwm v hold i out p d tstg tch v b min v b v cc iqvb iqvcc v pwm h v pwm l i pwm h v hold h v hold l i hold h r dson rsense is ttsd i o v sh i sh t on t off t r t f t sh t shd t shh t stt minimum operation of out terminal. vcc = 5v, v pwm = 0v, one circuit equivalent vcc = 5v, v pwm = 0 v vcc = 5v vcc = 5v, v pwm = 5v, active h vcc = 5v vcc = 5v, v pwm = 5v, active h i out = 1 a i out = 1a, ta = 125 c i out = 1 a i out = 1a, ta = 125 c io = 0a, vcc = 5v io = 0.2a, vcc = 5v io = 0.5a, vcc = 5v, ta = 40 to 140 c io = 1.2a, vcc = 5v, ta = 40 to 140 c io = 1a, vcc = 5v, v sh = 0 v io = 1a, vcc = 5v, v sh = 5 v io = 0.5a, vcc = 5v v v v ma ma v a v a ? ? ? ? a c a v v v v ma ma s s s s s s s s s 6 10 3.5 3.5 3.0 150 0.2 0.488 1.219 2.925 ? 500 14 5.0 70 70 0.500 1.250 3.000 16 7.2 0.2 1.5 110 1.5 110 0.14 0.21 0.21 0.25 1.2 0.2 0.512 1.281 3.075 5 15 15 100 50 650 1 2 70 80 v v v v v v a w c c v b terminal, t = 1 min depends on surface-mount board pattern 0 to 32 ?.5 to 7.0 0 to 40 ?.8 to 6 vsense + io ? rsense ? to 32 ?.5 to 7.0 2.0 2.4 to 5.0 ?0 to +150 150 external dimensions (unit: mm) features internal current sense resistor high accuracy current monitor output (sample & hold function) built-in overcurrent and thermal protection circuits 46 high-side power switch ics [surface-mount 2-circuit, current monitor output function] SPF5017 v b = 11v, vcc = 5v, io = 1.2a, c1 = 0.033 f v b = 11v, vcc = 5v, io = 1.2a, c1 = 0.033 f, ta = 125 c * 1 * 2 * 4 * 3 * 3 io = 0.5a, vcc = 5v, c1 = 0.033 f 1 2 3 5 4 6 20 18 19 17 vcc 70k ? cmos logic s/h osc charge pump tsd ocp lamp sfp5017 + sense r sense mos sense + sense out v b lg c pwm hold s/h clamp d s ordinary operation (auto hold) ordinary operation (auto hold) ordinary operation (external hold) thermal protection overcurrent protection v pwm v out icoil vs/h vhold * 1 * 1 * 2 500 to 650 500 to 650 usec usec t ruth table v pwm lh v out lh 1.0 10.5 0.3 +0.1 0.05 0.25 +0.15 0.05 fin thickness 14.74 0.2 2.5 0.2 7.5 0.2 2.0 0.2 13.04 0.2 1.27 0.25 20 110 11 0.4 +0.15 0.05 a b a) part no. b) lot no. block diagram (for one channel) standard connection diagram timing chart v cc v b 1 sfp5017 pwm hold s/h c c 1 d 2 d 1 lg out sense + sense 17 19 18 20 1k ? 5.1 0.01 4 6 5 3 2 controlling microcomputer cpu * use a schottky di for d2 when the sense + terminal is lower than the abs. max. rated voltage (?.8v) f k ? (v b = 14v, ta=25? unless otherwise specified) ?one circuit equivalent current sensing voltage note: * 1: accuracy warranty range for current monitor output * 2: equivalent errors are not included in current monitor output accuracy. * 3: with built-in pull-down resistance (70k ? typ) * 4: self-excitation and oscillation type * 5: accuracy of current monitor output is affected by the materials of the hold capacitor (c1). the capacitor c1 must be of low dielectric absorption and have good bias and leak current characteristics. * 1 70k ?
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