electronics electronics sat8605r linear voltage regulato r, fixed, 5a, uldo (ultra-low-drop-out) (preliminary) mo-078 package features remote sense capability ultra low dropout voltage ? 400mv max @ 5.0a similar to sat8601, with added sense functionality k-level screening shutdown pin for output control thermal shutdown @ 150 deg. c optimized for operation at +3.3vin or +5vin standard mil-level screenings available description the sat8605r is a military qualified, ultr a low dropout linear regulator designed for high temperature, high reliability applications . packaged in a hermetic mo-078 package, the sat8605r provides ultra low drop out of 400mv @ 5a. it is optimized for operation at +5v input or +3.3v input. only one resistor is needed to set-up the output voltage in the adjustable c onfiguration. the sat8605r featur es fast transient response, thermal shutdown and remote sense capabilit y. the remote sense feature adjusts the output voltage when optimal board placement is not possible. the internal capacitors used in the manufacturing of this device are in accordance with mil-prf-123 or mil- prf-55365. block diagram drive shdn fb gnd 3 v out 4 5 sense 1 v in 2 satcon electronics 1 sat 8605r- web preliminary rev 1
satcon electronics 2 sat 8605r- web preliminary rev 1 absolute maximum ratings (exceeding maximum ratings may damage the device) symbol parameter value unit vin dc input voltage vin-vground 10 v io output current 9.0 a pd power dissipation tcase=25deg.c 25 w rthjc thermal resistance, junction to case 3.0 o c/w tstg storage temperature -65 to +150 o c tj operating temperature range -55 to +125 o c tsold maximum soldering temperature, 10sec 300 o c electrical characteristics @ ta=-55deg.c to +125deg.c (unless otherwise specified) symbol parameter test c onditions parameter units min typ max vout output voltage accura cy iout=2.0a 2.0 % vin (+3.3) input voltage range: +3.3v, (note 2) iout=5.0a 2.9 3.6 v vin (+5.0) input voltage range: +5.0v (note 2) iout=5.0a 4.5 5.5 v vdrop dropout voltage iout=rated current, vout=2.5v, vin=2.9v, (note 3) 0.45 v isc current limit vin=5.0v, over current latch up 5.5 a ripple rejection f=120hz, iout=50ma 65 db ishdn shutdown source current vshdn=5.0v 200 ua vshdn shutdown input voltage (note 1) vin=5.0, vout < 0. 5v, 1.0 1.6 2.0 v notes : 1. shutdown pin voltage must be > 2.0v to initiate output inhibit. pin should be grounded if not used. 2. voltage dropout is dependent on a minimum input voltage of +2.9v. specification applies only to output voltages of +2.5v or greater. output voltages below 2.5v will have a greater minimum dropout requirement. 3. the sat8605r is optimized for specific input voltage ranges. the ?53 will have peak performance at +2.9v to +3.6v. the ?55 will have peak performance at +4.5v to +5.5v. input voltages outside of this range can affect sh ort-circuit current and load current capability.
application circuits basic remote sense 5 amp regulator ordering information* : sat8605r -53 k t -3.3 product number current designation screening level package type output voltage options r= remote sense version - 55 = 5a, +5vin, version k = class-k screened t = 5-pin mo-078 - 1.3 = +1.3v fixed - 53 = 5a, +3.3vin, version b = class-h (full mil. comp.) -1.5 = +1.5v fixed blank = no screening (cots) - 1.8 = +1.8v fixed - 2.5 = +2.5v fixed - 3.3 = +3.3v fixed satcon electronics 3 sat 8605r- web preliminary rev 1
pin description table 2. pin no pin name pin description 1 vin input voltage 2 gnd ground 3 vout output voltage 4 shdn shutdown pin. output reset occurs when vshdn > 1.6v 5 sense sense pin package outline mo-078 package satcon electronics 4 sat 8605r- web preliminary rev 1
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