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LT1086MK-12 Datasheet

  • LT1086MK-12

  • 1.5A Low Dropout Positive Regulators Adjustable and Fixed 2....

  • 351.98KB

  • 16頁(yè)

  • LINER

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LT1086 Series
1.5A Low Dropout Positive
Regulators Adjustable and
Fixed 2.85V 3.3V, 3.6V, 5V 12V
,
,
FEATURES
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DESCRIPTION
The LT
廬
1086 is designed to provide 1.5A with higher
efficiency than currently available devices. All internal
circuitry is designed to operate down to 1V input-to-
output differential and the dropout voltage is fully speci-
fied as a function of load current. Dropout is guaranteed at
a maximum of 1.5V at maximum output current, decreas-
ing at lower load currents. On-chip trimming adjusts the
reference/ouput voltage to 1%. Current limit is also
trimmed, minimizing the stress on both the regulator and
power source circuitry under overload conditions.
The LT1086 is pin compatible with older 3-terminal adjust-
able regulators. A 10碌F output capacitor is required on
these new devices; however, this is usually included in
most regulator designs.
A 2.85V output version is offered for SCSI-2 active termi-
nation. For surface mount applications see the LT1117-
2.85 data sheet. For high current or lower dropout require-
ments see the LT1123-2.85 data sheet.
Unlike PNP regulators, where up to 10% of the output
current is wasted as quiescent current, the LT1086 quies-
cent current flows into the load, increasing efficiency.
, LTC and LT are registered trademarks of Linear Technology Corporation.
3-Terminal Adjustable or Fixed
2.85V, 3.3V, 3.6V, 5V, 12V
Output Current of 1.5A, (0.5A for LT1086H)
Operates Down to 1V Dropout
Guaranteed Dropout Voltage at Multiple Current Levels
Line Regulation: 0.015%
Load Regulation: 0.1%
100% Thermal Limit Functional Test
APPLICATIONS
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SCSI-2 Active Terminator
High Efficiency Linear Regulators
Post Regulators for Switching Supplies
Constant Current Regulators
Battery Chargers
Microprocessor Supply
TYPICAL APPLICATION
LT1086 Dropout Voltage
MINIMUM INPUT/OUTPUT DIFFERENTIAL (V)
5V to 3.3V Regulator
V
IN
鈮?/div>
4.75V
2
INDICATES GUARANTEED TEST POINT
鈥?5擄C
鈮?/div>
T
J
鈮?/div>
150擄C
0擄C
鈮?/div>
T
J
鈮?/div>
125擄C
IN
LT1086-3.3 OUT
GND
3.3V AT 1.5A
10碌F*
TANTALUM
10碌F
TANTALUM
1
T
J
= 鈥?55擄C
T
J
= 25擄C
T
J
= 150擄C
LT1086 鈥?TA01
*MAY BE OMITTED IF INPUT SUPPLY IS WELL
BYPASSED WITHIN 2" OF THE LT1086
0
0
1
0.5
OUTPUT CURRENT (A)
1.5
LT1086 鈥?TA02
U
U
U
1

LT1086MK-12 產(chǎn)品屬性

  • LT1086 Series

  • 20

  • 集成電路 (IC)

  • PMIC - 穩(wěn)壓器 - 線性

  • -

  • 正，固定式

  • 12V

  • 最高 25V

  • 1.3V @ 1.5A

  • 1

  • 1.5A

  • -55°C ~ 200°C

  • 通孔

  • TO-204AA，TO-3

  • TO-3

  • 散裝

  • Q961092

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