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RH3080MK Datasheet(PDF) 1 Page - Linear Technology

Part No. RH3080MK
Description  Adjustable 0.9A Single Resistor Low Dropout Regulator
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Maker  LINER [Linear Technology]
Homepage  http://www.linear.com
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RH3080MK Datasheet(HTML) 1 Page - Linear Technology

   
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RH3080MK DICE/DWF
1
rh3080mkfb
Dice Pinout
DescriPtion
Features
Adjustable 0.9A Single
Resistor Low Dropout
Regulator
The RH3080 is a 0.9A low dropout linear regulator with a
unique architecture featuring a precision current source
and voltage follower which allows the output to be pro-
grammed to any voltage between zero and 36V. Multiple
regulatorscanbeparalleledtoincreasetotaloutputcurrent
and spread heat over a system PC board with no need for
heat sinking. The pass transistor collector can be brought
out independently of the circuit supply voltage to allow
dropoutvoltagetoapproachthesaturationlimitofthepass
transistor. A 2.2µF capacitor on the output with an ESR of
lessthan0.5Ωisadequatetoensurestability.Applications
with large output load transients require a larger output
capacitor value to minimize output voltage change. Input
circuitry ensures output safe operating area current limit-
ing and thermal shutdown protection. The rated output
current of an RH3080-based part is fixed by internal wire
length/resistance. Linear Technology dice element evalu-
ations are based on parts rated for 0.9A output current.
PAD FUNCTION
L
, LT, LTC, LTM, Linear Technology and the Linear logo are registered trademarks of Linear
Technology Corporation. All other trademarks are the property of their respective owners.
absolute MaxiMuM ratings
VCONTROL Pin Voltage ....................................40V, –0.3V
IN Pin Voltage ................................................40V, –0.3V
SET Pin Current (Note 6) ..................................... ±10mA
SET Pin Voltage (Relative to OUT, Note 6) .............±0.3V
Output Short-Circuit Duration.......................... Indefinite
Operating Junction Temperature Range
(Notes 2, 10) .......................................... –55°C to 125°C
Storage Temperature Range .................. –65°C to 150°C
(Note 1) (All voltages relative to VOUT)
1
2
2
3
4
5
1
44mils x 75mils
Backside metal: Alloyed gold layer
Backside potential: OUT
Tie SENSE to OUT
1. IN
2. OUT
3. SENSE
4. SET
5. VCONTROL
DIE CROSS REFERENCE
LTC® Finished
Part Number
Order
Part Number
RH3080MK
RH3080MK
RH3080MK DICE
RH3080MK DWF*
Please refer to LT®3080 standard product
data sheet for other applicable product
information.
*DWF = DICE in wafer form.
n
Outputs May Be Paralleled for Higher Current and
Heat Spreading
n
Single Resistor Sets Output Voltage
n
Output Adjustable to 0V
n
10µA SET Pin Current: 1% Initial Accuracy
n
Total Ionizing Dose (TID) Tolerance, per TM1019.8,
MIL-STD-883 up to:
200kRad (Si), per Condition A, at 50Rads(Si)/sec
100kRad (Si), per Condition D, at 10mRads(Si)/sec
ELDRS Pass 100kRad(Si)
n
Displacement Damage Defects (DDD) Up to 1E12
Neutrons/cm2
n
Single Event Latchup (SEL) Threshold Linear Energy
Transfer (LET) ≥110MeV.cm2/mg at TCASE = 100°C
n
MIL-PRF-38535 Class V Compliant


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