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參數(shù)資料
| 型號： | 8182 |
| 廠商： | Allegro MicroSystems, Inc. |
| 英文描述： | LOW-DROPOUT, 3 V REGULATOR . HIGH EFFICIENCY |
| 中文描述： | 低壓差，3 V穩(wěn)壓器。高效 |
| 文件頁數(shù)： | 2/8頁 |
| 文件大?。?/td> | 111K |
| 代理商： | 8182 |
8182
LOW-DROPOUT,
3 V REGULATOR
115 Northeast Cutoff, Box 15036
Worcester, Massachusetts 01615-0036 (508) 853-5000
Copyright 1994 Allegro MicroSystems, Inc.
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.
Maximum Allowable Output Current in Milliamperes
with V
I
= 8 V, T
J
= 150
°
C, Period
≤
10 s*
dc (Duty Cycle)
T
A
100%
90%
80%
70%
60%
50%
40%
30%
20%
25
°
C
150
150
150
150
150
150
150
150
150
50
°
C
150
150
150
150
150
150
150
150
150
70
°
C
145
150
150
150
150
150
150
150
150
85
°
C
120
130
150
150
150
150
150
150
150
* I
O
= (T
J
- T
A
)/([V
I
- V
O
] R
θ
JA
dc) = (150 - T
A
)/(5 108 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.
Dwg. FS-012-2
BIAS
DRIVE
E
T
P
BANDGAP
REF.
ERROR
AMP
IN
ENABLE
OUT
IN
OUT
7
2
8
1
3
COMP
RESET
5
GND
4
6
1.23 V
–
+
For proper operation, terminals 1 and 8 should be externally connected together,
terminals 2 and 7 should be externally connected together.
FUNCTIONAL BLOCK DIAGRAM
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