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參數(shù)資料
| 型號： | LT3024 |
| 廠商： | Linear Technology Corporation |
| 英文描述： | Dual 100mA/500mA Low Dropout, Low Noise, Micropower Regulator |
| 中文描述： | 雙100mA/500mA低壓差，低噪聲，微功耗穩(wěn)壓器 |
| 文件頁數(shù)： | 12/16頁 |
| 文件大?。?/td> | 493K |
| 代理商： | LT3024 |
12
LT3024
3024f
APPLICATIU
W
U
U
used to bypass the reference (for low noise operation),
larger values of output capacitors are needed. For 100pF
of bypass capacitance on Output 2, 2.2
μ
F of output
capacitor is recommended. With a 330pF bypass capaci-
tor or larger on this output, a 3.3
μ
F output capacitor is
recommended. For Output 1, 4.7
μ
F of output capacitor is
recommended for 100pF of bypass capacitance. With
1000pF or larger bypass capacitor on this output, a 6.8
μ
F
output capacitor is recommended. The shaded region of
Figures 2 and 3 define the regions over which the LT3024
regulator is stable. The minimum ESR needed is defined
by the amount of bypass capacitance used, while the
maximum ESR is 3
.
Figure 2. Output 2 Stability
OUTPUT CAPACITANCE (
μ
F)
1
E
)
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0
3
10
3024 F02
2
4
5
6 7 8 9
STABLE REGION
C
BYP
= 330pF
C
BYP
= 100pF
C
BYP
= 0
C
BYP
> 3300pF
OUTPUT CAPACITANCE (
μ
F)
1
E
)
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0
3
10
3024 F03
2
4
5
6 7 8 9
STABLE REGION
C
BYP
= 330pF
C
BYP
≥
1000pF
C
BYP
= 100pF
C
BYP
= 0
Figure 3. Output 1 Stability
Figure 4. Ceramic Capacitor DC Bias Characteristics
DC BIAS VOLTAGE (V)
C
3024 F04
20
0
–20
–40
–60
–80
–1000
4
8
10
2
6
12
14
X5R
Y5V
16
BOTH CAPACITORS ARE 16V,
1210 CASE SIZE, 10
μ
F
Extra consideration must be given to the use of ceramic
capacitors. Ceramic capacitors are manufactured with a
variety of dielectrics, each with different behavior across
temperature and applied voltage. The most common
dielectrics used are Z5U, Y5V, X5R and X7R. The Z5U and
Y5V dielectrics are good for providing high capacitances
in a small package, but exhibit strong voltage and tem-
perature coefficients as shown in Figures 4 and 5. When
used with a 5V regulator, a 10
μ
F Y5V capacitor can exhibit
an effective value as low as 1
μ
F to 2
μ
F over the operating
temperature range. The X5R and X7R dielectrics result in
more stable characteristics and are more suitable for use
as the output capacitor. The X7R type has better stability
across temperature, while the X5R is less expensive and
is available in higher values.
TEMPERATURE (
°
C)
–50
40
20
0
–20
–40
–60
–80
–100
25
75
3024 F05
–25
0
50
100
125
Y5V
C
X5R
BOTH CAPACITORS ARE 16V,
1210 CASE SIZE, 10
μ
F
Figure 5. Ceramic Capacitor Temperature Characteristics
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LT3024_1 | 制造商:LINER 制造商全稱:Linear Technology 功能描述:Dual 100mA/500mA Low Dropout, Low Noise,Micropower Regulator |
| LT3024EDE | 功能描述:IC REG LDO ADJ .5A/.1A 12DFN RoHS:否 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - 線性 系列:- 標準包裝:800 系列:- 穩(wěn)壓器拓撲結(jié)構(gòu):正，固定式 輸出電壓:2.5V 輸入電壓:最高 16V 電壓 - 壓降（標準）:0.7V @ 4A 穩(wěn)壓器數(shù)量:1 電流 - 輸出:4A 電流 - 限制（最?。?4.2A 工作溫度:0°C ~ 125°C 安裝類型:表面貼裝 封裝/外殼:TO-263-6，D²Pak（5 引線+接片），TO-263BA 供應(yīng)商設(shè)備封裝:TO-263-5 包裝:帶卷 (TR) 其它名稱:AP1184K525L-13AP1184K525LDITR |
| LT3024EDE#PBF | 功能描述:IC REG LDO ADJ .5A/.1A 12-DFN RoHS:是 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - 線性 系列:- 標準包裝:1 系列:- 穩(wěn)壓器拓撲結(jié)構(gòu):正，固定式 輸出電壓:8V 輸入電壓:10.5 V ~ 23 V 電壓 - 壓降（標準）:1.7V @ 40mA 穩(wěn)壓器數(shù)量:1 電流 - 輸出:100mA（最小值） 電流 - 限制（最?。?- 工作溫度:0°C ~ 125°C 安裝類型:表面貼裝 封裝/外殼:8-SOIC（0.154"，3.90mm 寬） 供應(yīng)商設(shè)備封裝:8-SOIC 包裝:剪切帶 (CT) 產(chǎn)品目錄頁面:1075 (CN2011-ZH PDF) 其它名稱:296-24390-1 |
| LT3024EDE#TR | 功能描述:IC REG LDO ADJ .5A/.1A 12DFN RoHS:否 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - 線性 系列:- 標準包裝:800 系列:- 穩(wěn)壓器拓撲結(jié)構(gòu):正，固定式 輸出電壓:2.5V 輸入電壓:最高 16V 電壓 - 壓降（標準）:0.7V @ 4A 穩(wěn)壓器數(shù)量:1 電流 - 輸出:4A 電流 - 限制（最小）:4.2A 工作溫度:0°C ~ 125°C 安裝類型:表面貼裝 封裝/外殼:TO-263-6，D²Pak（5 引線+接片），TO-263BA 供應(yīng)商設(shè)備封裝:TO-263-5 包裝:帶卷 (TR) 其它名稱:AP1184K525L-13AP1184K525LDITR |
| LT3024EDE#TRPBF | 功能描述:IC REG LDO ADJ .5A/.1A 12-DFN RoHS:是 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - 線性 系列:- 標準包裝:800 系列:- 穩(wěn)壓器拓撲結(jié)構(gòu):正，固定式 輸出電壓:2.5V 輸入電壓:最高 16V 電壓 - 壓降（標準）:0.7V @ 4A 穩(wěn)壓器數(shù)量:1 電流 - 輸出:4A 電流 - 限制（最?。?4.2A 工作溫度:0°C ~ 125°C 安裝類型:表面貼裝 封裝/外殼:TO-263-6，D²Pak（5 引線+接片），TO-263BA 供應(yīng)商設(shè)備封裝:TO-263-5 包裝:帶卷 (TR) 其它名稱:AP1184K525L-13AP1184K525LDITR |
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