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參數資料
| 型號： | FAN1582 |
| 廠商： | Fairchild Semiconductor Corporation |
| 英文描述： | 3A Adjustable/Fixed Ultra Low Dropout Linear Regulator(3安培電流輸出固定的超低壓差線性穩壓器) |
| 中文描述： | 第3A可調/固定超低壓差線性穩壓器（3安培電流輸出固定的超低壓差線性穩壓器） |
| 文件頁數： | 7/12頁 |
| 文件大小： | 66K |
| 代理商： | FAN1582 |
PRODUCT SPECIFICATION
FAN1582
7
P
Assumptions:
V
in
= 3.6V worst case
V
OUT
= 1.47V worst case
I
OUT
= 3A continuous
T
A
= 70°C
Θ
Case-to-Ambient
= 5°C/W (assuming both a heatsink and
a thermally conductive material)
The power dissipation in this application is:
P
D
= (V
IN
- V
OUT
) * (I
OUT
) = (3.6-1.47) * (3) = 6.39W
From the specification table,
T
J
= T
A
+ (P
D
) * (
Θ
Case-to-Ambient +
Θ
JC
)
= 70 + (6.39) * (5 + 3) = 121°C
The junction temperature is below the maximum rating.
Junction-to-case thermal resistance is specified from the IC
junction to the bottom of the case directly below the die. This
is the lowest resistance path for heat flow. Proper mounting
ensures the best thermal flow from this area of the package to
the heat sink. Use of a thermally conductive material at the
case-to-heat sink interface is recommended. Use a thermally
conductive spacer if the case of the device must be electri-
cally isolated and include its contribution to the total thermal
resistance.
Figure 3. Application Circuit (FAN1582)
Table 1. Bill of Materials for Application Circuit for the FAN1582
Item
C1, C3
C2
C4
R1
R2
U1
Quantity
2
1
1
1
1
1
Manufacturer
Xicon
Xicon
Any
Generic
Generic
Fairchild
Part Number
L10V10
L10V100
Description
10μF, 10V Aluminum
100μF, 10V Aluminum
1μF Ceramic
86.6
, 1%
124
, 1%
3A Regulator
FAN1582T
100
μ
F
C2
10
μ
F
C3
V
CNTL
= 5V
2.1V at 3A
V
IN
= 3.3V
+
10
μ
F
C1
1
μ
F
C4
+
V
IN
V
SENSE
V
CNTL
Adj
V
OUT
FAN1582
86.6
124
R2
R1
U1
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| FAN1582D12X | 功能描述:IC REG LDO 1.2V 3A TO-252 RoHS:是 類別:集成電路 (IC) >> PMIC - 穩壓器 - 線性 系列:- 產品培訓模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝:2,500 系列:- 穩壓器拓撲結構:正，固定式 輸出電壓:3.1V 輸入電壓:最高 5.5V 電壓 - 壓降（標準）:- 穩壓器數量:1 電流 - 輸出:300mA 電流 - 限制（最小）:420mA 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:SOT-23-5 細型，TSOT-23-5 供應商設備封裝:TSOT-23-5 包裝:帶卷 (TR) |
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