lm1084-xx features parameter test conditions min typ max unit reference voltage lm1084 (adj) 1.225 1.25 1.275 output voltage lm1084-15, v in =4.5v 1.470 1.50 1.530 v lm1084-18, v in =4.8v 1.764 1.80 1.836 lm1084-25, v in =5.5v 2.450 2.50 2.55 lm1084-33, v in =6.3v 3.235 3.30 3.365 LM1084-50, v in =7.0v 4.90 5.00 5.10 line regulation adj : 2.65v v in 7v - 0.015 0.2 % v out =1.25v fix : v out +1.4v v in 7v load regulation 10ma < i o < 5a 0.6 % dropout voltage v out , v ref =1% 1.3 1.4 v 10ma i o 5a current limit 5.0 6.0 a gnd current (fix) 2.65v v in 7v 2.0 10 ma adjusted pin current 2.65v v in 7v 55 120 ua adjusted pin current change ( iadj) 2.65v v in 7v 0.2 5.0 ua temperature stability i o =0.5a 0.5 % minimum load current 5.0 10 ma rms output noise (% of v out ) 0.003 % ripple rejection ratio 120hz input ripple c out =25 f (v in -v out )=3v 60 72 db 5a low dropout positive regulator 1. dropout voltage 1.3v at 5a output current. 2. fast transient response. 3. extremely tight line and load regulation. 4. current limiting and thermal protection. 5. adjustable output voltage or fixed 1.5v, 1.8v, 2.5v, 3.3v, 5.0v. 6. standard 3-pin power packages. product specification electrical characteristics ( ta = 25 c) o description the lm1084 is a low dropout three terminal regulator with 5a output current capability. the output voltage is adjustable with the use of a resistor divider or fixed 1.5v, 1.8v, 2.5v, 3.3v and 5.0v. dropout voltage is guaranteed to be at maximum of 1.4v with the maximum output current. its low dropout voltage and fast transient response make it ideal for low voltage microprocessor applications. current limit and thermal protection provide protection against any overload condition that would create excessive junction temperatures. note: specifications are production tested at ta=25c. specifications over the -40c to 85c operating temperature range are assured by design, characterization and correlation with statistical quality controls (sqc). (vin=5v, tj=25c, io=10ma, unless otherwise specified) (note1) to-220 1. adj(com) 2. output 3. input to-263 to-252 to-263-2l tiger electronic co.,ltd
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