參數(shù)資料
型號(hào)： LT1521CS8-3
廠商： LINEAR TECHNOLOGY CORP
元件分類： 基準(zhǔn)電壓源/電流源
英文描述： OCTAL BUS TRANSCEIVER/IOL=48mA O.C. 20-SOIC 0 to 70
中文描述： 3 V FIXED POSITIVE LDO REGULATOR, 0.75 V DROPOUT, PDSO8
封裝： 0.150 INCH, PLASTIC, SO-8
文件頁(yè)數(shù)： 4/16頁(yè)
文件大?。?/td> 294K
代理商： LT1521CS8-3
4
LT1521/LT1521-3
LT1521-3.3/LT1521-5
ELECTRICAL CHARACTERISTICS
TEMPERATURE (
°
C)
–50
D
0.7
25
LT1521 TPC02
0.4
0.2
–25
0
50
0.1
0
0.8
0.6
0.5
0.3
75
100
125
I
LOAD
= 1mA
I
LOAD
= 50mA
I
LOAD
= 150mA
I
LOAD
= 300mA
I
LOAD
= 100mA
TEMPERATURE (
°
C)
–50
Q
μ
A
15.0
12.5
10.0
7.5
5.0
2.5
0
25
75
LT1521 TPC03
–25
0
50
100
125
V
IN
= 6V
R
L
=
I
LOAD
= 0
V
SHDN
= OPEN
V
SHDN
= 0V
Quiescent Current
Guaranteed Dropout Voltage
0.8
= TEST POINTS
OUTPUT CURRENT (mA)
0
D
150
250
LT1521 TPC01
50
100
200
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
300
T
J
≤
125
°
C
T
J
≤
25
°
C
Dropout Voltage
TYPICAL PERFOR
M
A
N
CE CHARACTERISTICS
PARAMETER
Input Reverse Leakage Current
Reverse Output Current (Note 11)
CONDITIONS
V
IN
= –20V, V
OUT
= 0V
LT1521-3
LT1521-3.3
LT1521-5
LT1521 (Note 5)
MIN
TYP
MAX
1.0
10
10
10
10
UNITS
mA
G
V
OUT
= 3V, V
IN
< 3V, T
J
= 25
°
C
V
OUT
= 3.3V, V
IN
< 3.3V, T
J
= 25
°
C
V
OUT
= 5V, V
IN
< 5V, T
J
= 25
°
C
V
OUT
= 3.8V, V
IN
< 3.75V, T
J
= 25
°
C
Note 5:
The LT1521 (adjustable version) is tested and specified with the
adjust pin connected to the output pin.
Note 6:
Dropout voltage is the minimum input/output voltage required to
maintain regulation at the specified output current. In dropout the output
voltage will be equal to: (V
IN
– V
DROPOUT
)
Note 7:
Ground pin current is tested with V
IN
= V
OUT
(nominal) and a
current source load. This means the device is tested while operating in its
dropout region. This is the worst-case ground pin current. The ground pin
current will decrease slightly at higher input voltages.
Note 8:
Adjust pin bias current flows into the adjust pin.
Note 9:
Shutdown pin current at V
SHDN
= 0V flows out of the shutdown
pin.
Note 10:
Quiescent current in shutdown is equal to the total sum of the
shutdown pin current (2
μ
A) and the ground pin current (4
μ
A).
Note 11:
Reverse output current is tested with the input pin grounded and
the output pin forced to the rated output voltage. This current flows into
the output pin and out of the ground pin.
5
5
5
5
μ
A
μ
A
μ
A
μ
A
The
G
denotes specifications which apply over the full operating
temperature range.
Note 1:
Absolute Maximum Ratings are those values beyond which the life
of a device may be impaired.
Note 2:
The shutdown pin input voltage rating is required for a low
impedance source. Internal protection devices connected to the shutdown
pin will turn on and clamp the pin to approximately 7V or –0.6V. This
range allows the use of 5V logic devices to drive the pin directly. For high
impedance sources or logic running on supply voltages greater than 5.5V,
the maximum current driven into the shutdown pin must be limited to less
than 5mA.
Note 3:
For junction temperatures greater than 110
°
C, a minimum load of
1mA is recommended. For T
J
> 110
°
C and I
OUT
< 1mA, output voltage
may increase by 1%.
Note 4:
Operating conditions are limited by maximum junction
temperature. The regulated output voltage specification will not apply for
all possible combinations of input voltage and output current. When
operating at maximum input voltage, the output current range must be
limited. When operating at maximum output current, the input voltage
range must be limited.
相關(guān)PDF資料
PDF描述
LT1521CS8-3.3 OCTAL BUS TRANSCEIVER/IOL=48mA O.C. 20-SOIC 0 to 70
LT1521CS8-5 Cap-Free, NMOS, 150mA Low Dropout Regulator with Reverse Current Protection
LT1521CST-3 OCTAL BUS TRANSCEIVER/IOL=48mA O.C. 20-SOIC 0 to 70
LT1521CST-3.3 OCTAL BUS TRANSCEIVER/IOL=48mA O.C. 20-SOIC 0 to 70
LT1521CST-5 Cap-Free, NMOS, 150mA Low Dropout Regulator with Reverse Current Protection
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LT1521CS8-3#PBF 功能描述:IC REG LDO 3V .3A 8-SOIC RoHS:是 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - 線性 系列:- 標(biāo)準(zhǔn)包裝:1 系列:- 穩(wěn)壓器拓?fù)浣Y(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(biāo)準(zhǔn)）:1.7V @ 40mA 穩(wěn)壓器數(shù)量:1 電流 - 輸出:100mA（最小值） 電流 - 限制（最小）:- 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(yè)面:1075 (CN2011-ZH PDF) 其它名稱:296-24390-1
LT1521CS8-3#TR 功能描述:IC REG LDO 3V .3A 8SOIC RoHS:否 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - 線性 系列:- 標(biāo)準(zhǔn)包裝:800 系列:- 穩(wěn)壓器拓?fù)浣Y(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(biāo)準(zhǔn)）: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
LT1521CS8-3#TRPBF 功能描述:IC REG LDO 3V .3A 8-SOIC RoHS:是 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - 線性 系列:- 標(biāo)準(zhǔn)包裝:800 系列:- 穩(wěn)壓器拓?fù)浣Y(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(biāo)準(zhǔn)）: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
LT1521CS8-3.3 功能描述:IC REG LDO 3.3V .3A 8-SOIC RoHS:否 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - 線性 系列:- 標(biāo)準(zhǔn)包裝:800 系列:- 穩(wěn)壓器拓?fù)浣Y(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(biāo)準(zhǔn)）: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
LT1521CS8-3.3#PBF 功能描述:IC REG LDO 3.3V .3A 8-SOIC RoHS:是 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - 線性 系列:- 標(biāo)準(zhǔn)包裝:1 系列:- 穩(wěn)壓器拓?fù)浣Y(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(biāo)準(zhǔn)）:1.7V @ 40mA 穩(wěn)壓器數(shù)量:1 電流 - 輸出:100mA（最小值） 電流 - 限制（最小）:- 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(yè)面:1075 (CN2011-ZH PDF) 其它名稱:296-24390-1
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