8205 데이터 시트보기 (PDF) - Allegro MicroSystems
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8205 Datasheet PDF : 8 Pages
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8205
LOW-DROPOUT
REGULATORS
FUNCTIONAL BLOCK DIAGRAM
IN 1
ENABLE 3
BIAS
2 GND
DRIVE
ERROR
AMP
BANDGAP
REF.
5 OUT
ADJUST
4 (SUFFIX "-ADJ" ONLY)
OTHERWISE
NO CONNECTION
(FIXED REG'S)
Dwg. FS-012-6
A8205SLH Maximum Allowable Average 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
Allowable Total Average (10 ms) Output Current in Milliamperes with TJ = 150°C, Duty Cycle = 100%†
VI - VO
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0*
4.5*
200
200
200
200
200
189
162
142
126
50°C
200
200
200
200
182
152
130
114
101
70°C
200
200
200
182
145
121
104
91
81
85°C
200
200
197
148
118
98
84
74
66
* Absolute maximum peak output current rating is 200 mA; absolute maximum input voltage is 7 V.
† IO = (TJ – TA)/([VI – VO] RθJA x dc) = (150 – TA)/([VI – VO] x 220 x 1.00)
Output current rating can be increased (to 200 mA maximum) by additional heat sinking or reducing the duty cycle.
115 Northeast Cutoff, Box 15036
Worcester, Massachusetts 01615-0036 (508) 853-5000
Copyright © 1999, 2000 Allegro MicroSystems, Inc.
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