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參數(shù)資料
| 型號(hào)： | 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(wěn)壓器) |
| 中文描述： | 第3A可調(diào)/固定超低壓差線性穩(wěn)壓器（3安培電流輸出固定的超低壓差線性穩(wěn)壓器） |
| 文件頁數(shù)： | 5/12頁 |
| 文件大?。?/td> | 66K |
| 代理商： | FAN1582 |
PRODUCT SPECIFICATION
FAN1582
5
P
Typical Perfomance Characteristics (continued)
6
5
4
S
P
R
3
2
-75 -50 -25
25
50
75 100
125 150 175
20
25
45
65
85
105
125
15
10
5
0
0
JUNCTION TEMPERATURE (
°
C)
CASE TEMPERATURE
FREQUENCY (HZ)
(V
IN
—V
OUT
)
≤
3V
0.5V
≤
V
RIPPLE
≤
2V
I
OUT
= 3A
90
90
70
60
50
40
30
20
10
0
10
100
1K
10K
100K
Short-Circuit Current vs.Temeperature
Ripple Rejection vs. Frequency
Maximum Power Dissipation
General
The FAN1582, FAN1582-1.5, and FAN1582-2.5 are three-
terminal regulators optimized for GTL+ V
TT
termination and
logic applications. These devices are short-circuit protected,
and offer thermal shutdown to turn off the regulator when the
junction temperature exceeds about 150°C. The FAN1582
series provides low dropout voltage and fast transient
response. Frequency compensation uses capacitors with low
ESR while still maintaining stability. This is critical in
addressing the needs of low voltage high speed microproces-
sor buses like GTL+.
Stability
The FAN1582 series requires an output capacitor as a part of
the frequency compensation. It is recommended to use a 22μF
solid tantalum or a 100μF aluminum electrolytic on the output
to ensure stability. The frequency compensation of these
devices optimizes the frequency response with low ESR capaci-
tors. In general, it is suggested to use capacitors with an ESR
of <1
. It is also recommended to use bypass capacitors such
as a 22μF tantalum or a 100μF aluminum on the adjust pin of
the FAN1582 for low ripple and fast transient response. When
these bypassing capacitors are not used at the adjust pin, smaller
values of output capacitors provide equally good results.
Protection Diodes
In normal operation, the FAN1582 series does not require any
protection diodes. For the FAN1582, internal resistors limit
internal current paths on the adjust pin. Therefore, even with
bypass capacitors on the adjust pin, no protection diode is
needed to ensure device safety under short-circuit conditions.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| FAN1582_0311 | 制造商:FAIRCHILD 制造商全稱:Fairchild Semiconductor 功能描述:3A Adjustable/Fixed Ultra Low Dropout Linear Regulator |
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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(wěn)壓器 - 線性 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:2,500 系列:- 穩(wěn)壓器拓?fù)浣Y(jié)構(gòu):正，固定式 輸出電壓:3.1V 輸入電壓:最高 5.5V 電壓 - 壓降（標(biāo)準(zhǔn)）:- 穩(wěn)壓器數(shù)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(xì)型，TSOT-23-5 供應(yīng)商設(shè)備封裝:TSOT-23-5 包裝:帶卷 (TR) |
| FAN1582D15X | 功能描述:低壓差穩(wěn)壓器 - LDO 3A Adjustable Low Dropout Voltage Regulator (LDO) RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動(dòng)電壓（最大值）:307 mV 輸出電流:1 A 負(fù)載調(diào)節(jié):0.3 % 輸出端數(shù)量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-20 |
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