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  NTE1271 integrated circuit control voltage generator description: the NTE1271 control voltage generator with three outputs is fabricated with bipolar linear technology. two alternately exchangeble outputs are provided for two stabilized output levels controlled by an external signal. the NTE1271 is packaged in a 8 ? lead sip package with a heat radiation fin to allow for large power dissipation. features:  no need for external components  three outputs @ 8.2v typ  noise protection circuitry  overload current protection and thermal protection circuitry  good mountability  high output current: 200ma typical for v o2 output 100ma typical for v o0 , v o1 outputs absolute maximum ratings : (t a = +25 c unless otherwise specified) input voltage, v in 18v . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . power dissipation, p d (t a +70 c, no heat sink) 1w . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . (t a +70 c, infinite heat sink) 4w . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . operating temperature range, t opr ? 25 to +75 c . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . storage temperature range, t stg ? 55 to +125 c . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . note 1. permanent device damage may occur if the above absolute maximum ratings are exceed- ed. functional operation should be restricted to the conditions as detailed in the operational sections of the data sheet. exposure to absolute maximum rating conditions for extended periods may affect device reliability.
electrical characteristics : (t c = +25 c, v in = 14v, r l0 = r l1 = 200 ? , r l2 = 100 ? unless otherwise specified ) parameter symbol test conditions min typ max unit input voltage v in 10.6 ? 18 v output voltage v o 7.8 8.2 8.6 v input regulation 11v v in 18v ? 20 100 mv load regulation (v cc , v o1 ) 1ma i l 100ma ? 16 50 mv (v o2 ) 1ma i l 200ma ? 20 100 mv (v cc , v o1 ) 1ma i l 100ma, v in = 11.6v ? 20 100 mv (v o2 ) 1ma i l 200ma, v in = 11.6v ? 30 150 mv bias current i b v in = 18v ? 5 18 ma ripple rejection ratio f = 100hz ? 60 ? db output noise voltage 10hz f 100khz, c r = 10 f ? 40 ? v input to output voltage differential v in ? v o ? 1.7 ? v temperature coefficient of output voltage tcv c ? ? 0.4 ? mv/c output voltage deviation ? v o ? 10 50 mv short circuit output current i os (peak) (v cc , v o1 ) ? 200 ? ma c urren t (p ea k) (v o2 ) ? 350 ? ma output voltage v o1l v cont = 0.8v 0 ? 0.2 v v o2l v cont = 0.8v 7.8 8.2 8.6 v v o1h v cont = 2.0v 7.8 8.2 8.6 v v o2h v cont = 2.0v 0 ? 0.2 v control input current i il v cont = 0v ? ? 0.2 ? 1.0 ma i ih v cont = 15v, v in = 18v ? ? 10 a pin connection diagram (front view) v ref v out 0 v out 1 v out 2 v in control n.c. 7 6 5 4 gnd 3 2 1 8
.095 (2.1) .700 (17.78) 18 .796 (20.26) max .559 (14.2) .748 (19.0) max .473 (12.0) .100 (2.54) .075 (1.9) .146 (3.7) max .630 (16.0) max .244 (6.2) .360 (9.14) .177 (4.5) min


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