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8187 डेटा पत्रक PDF( Datasheet डाउनलोड )


डेटा पत्रक - LOW-DROPOUT/ 3.3 V REGULATOR . HIGH EFFICIENCY - Allegro MicroSystems

भाग संख्या 8187
समारोह LOW-DROPOUT/ 3.3 V REGULATOR . HIGH EFFICIENCY
मैन्युफैक्चरर्स Allegro MicroSystems 
लोगो Allegro MicroSystems लोगो 
पूर्व दर्शन
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<?=8187?> डेटा पत्रक पीडीएफ

8187 pdf
8187
LOW-DROPOUT,
3.3 V REGULATOR
FUNCTIONAL BLOCK DIAGRAM
IN 1
BIAS
GND 2
DRIVE
3 OUT
ERROR
AMP
BANDGAP
REF.
TAB
Dwg. FS-012-4
MAXIMUM ALLOWABLE OUTPUT CURRENT with device mounted on 2.24" x 2.24"
(56.9 mm x 56.9 mm) solder-coated copper-clad board in still air.
TA
25°C
Maximum Allowable Output Current in Milliamperes with VI = 8 V, TJ = 150°C, Period 10 s*
dc (Duty Cycle)
100%
90%
80%
70%
60%
50%
40%
30%
100 115 125 145 150 150 150 150
20%
150
50°C
80
90 100 115 135 150 150 150 150
70°C
65
70
80
90 110 130 150 150 150
85°C
50
60
65
75
85 105 130 150 150
* IO = (TJ - TA)/([VI - VO] RθJA • dc) = (150 - TA)/(4.7 • 258 • dc)
Output current rating can be increased (to 150 mA maximum) by heat sinking or reducing the input voltage. Conditions that produce excessive
junction temperature will activate device thermal shutdown circuitry. These conditions can be tolerated but should be avoided.
115 Northeast Cutoff, Box 15036
Worcester, Massachusetts 01615-0036 (508) 853-5000
Copyright © 1995, 2000 Allegro MicroSystems, Inc.

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