參數(shù)資料
型號： LT1521CST-3.3
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： 3.3 V FIXED POSITIVE LDO REGULATOR, 0.75 V DROPOUT, PDSO4
封裝： PLASTIC, SOT-223, 4 PIN
文件頁數(shù)： 3/16頁
文件大小： 294K
代理商： LT1521CST-3.3
3
LT1521/LT1521-3
LT1521-3.3/LT1521-5
PARAMETER
Regulated Output Voltage
(Note 4)
CONDITIONS
LT1521-3
MIN
2.950
2.900
3.250
3.200
4.925
4.850
3.695
3.640
TYP
3.000
3.000
3.300
3.300
5.000
5.000
3.750
3.750
1.5
1.5
1.5
1.5
– 20
– 20
– 25
– 20
– 20
– 20
– 25
– 20
130
MAX
3.050
3.100
3.350
3.400
5.075
5.150
3.805
3.860
20
20
20
20
–30
–30
–45
–30
–55
–55
–75
–55
170
250
350
450
420
550
470
600
600
750
20
100
450
1.5
2.5
4.0
12.0
100
2.80
UNITS
V
IN
= 3.5V, I
OUT
= 1mA, T
J
= 25
°
C
4V < V
IN
< 20V, 1mA < I
OUT
< 300mA
V
IN
= 3.8V, I
OUT
= 1mA, T
J
= 25
°
C
4.3V < V
IN
< 20V, 1mA < I
OUT
< 300mA
V
IN
= 5.5V, I
OUT
= 1mA, T
J
= 25
°
C
6V < V
IN
< 20V, 1mA < I
OUT
< 300mA
V
IN
= 4.3V, I
OUT
= 1mA, T
J
= 25
°
C
4.8V < V
IN
< 20V, 1mA < I
OUT
< 300mA
V
IN
= 4.5 to 20V, I
OUT
= 1mA
V
IN
= 4.8 to 20V, I
OUT
= 1mA
V
IN
= 5.5 to 20V, I
OUT
= 1mA
V
IN
= 4.3 to 20V, I
OUT
= 1mA
I
LOAD
= 1mA to 300mA, T
J
≤
25
°
C
I
LOAD
= 1mA to 300mA, T
J
≤
25
°
C
I
LOAD
= 1mA to 300mA, T
J
≤
25
°
C
I
LOAD
= 1mA to 300mA, T
J
≤
25
°
C
I
LOAD
= 1mA to 300mA, T
J
>25
°
C
I
LOAD
= 1mA to 300mA, T
J
> 25
°
C
I
LOAD
= 1mA to 300mA, T
J
> 25
°
C
I
LOAD
= 1mA to 300mA, T
J
> 25
°
C
I
LOAD
= 1mA, T
J
= 25
°
C
I
LOAD
= 1mA
I
LOAD
= 50mA, T
J
= 25
°
C
I
LOAD
= 50mA
I
LOAD
= 100mA, T
J
= 25
°
C
I
LOAD
= 100mA
I
LOAD
= 150mA, T
J
= 25
°
C
I
LOAD
= 150mA
I
LOAD
= 300mA, T
J
= 25
°
C
I
LOAD
= 300mA
I
LOAD
= 0mA
I
LOAD
= 1mA
I
LOAD
= 10mA
I
LOAD
= 50mA
I
LOAD
= 100mA
I
LOAD
= 150mA
I
LOAD
= 300mA
T
J
= 25
°
C
V
OUT
= Off to On
V
OUT
= On to Off
V
SHDN
= 0V
V
IN
= V
OUT
(NOMINAL) + 1V, V
SHDN
= 0V
V
IN
– V
OUT
= 1V(Avg), V
RIPPLE
= 0.5V
P–P
,
f
RIPPLE
= 120Hz, I
LOAD
= 150mA
V
IN
– V
OUT
= 7V, T
J
= 25
°
C
V
IN
= V
OUT
(NOMINAL) + 1.5V,
V
OUT
= –0.1V
V
V
V
V
V
V
V
V
G
LT1521-3.3
G
LT1521-5
G
LT1521 (Note 5)
G
Line Regulation
LT1521-3
LT1521-3.3
LT1521-5
LT1521 (Note 5)
LT1521-3
LT1521-3.3
LT1521-5
LT1521 (Note 5)
LT1521-3
LT1521-3.3
LT1521-5
LT1521 (Note 5)
G
mV
mV
mV
mV
mV
mV
mV
mV
mV
mV
mV
mV
mV
mV
mV
mV
mV
mV
mV
mV
mV
mV
μ
A
μ
A
μ
A
mA
mA
mA
mA
nA
G
G
G
Load Regulation
Dropout Voltage (Note 6)
G
290
G
350
G
400
G
500
G
Ground Pin Current (Note 7)
G
12
65
300
0.8
1.4
2.2
6.5
50
1.20
0.75
2.0
6
58
G
G
G
G
G
G
Adjust Pin Bias Current (Notes 5, 8)
Shutdown Threshold
G
G
V
V
0.25
Shutdown Pin Current (Note 9)
Quiescent Current in Shutdown (Note 10)
Ripple Rejection
G
5.0
12
μ
A
μ
A
dB
G
50
Current Limit
400
400
800
mA
mA
G
320
ELECTRICAL CHARACTERISTICS
相關(guān)PDF資料
PDF描述
LT1521CST-5 Cap-Free, NMOS, 150mA Low Dropout Regulator with Reverse Current Protection
LT1521IS8-3 OCTAL BUS TRANSCEIVER/IOL=48mA O.C. 20-PDIP 0 to 70
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LT1521CST33TR 制造商:Linear Technology 功能描述:
LT1521CST5 制造商:LT 功能描述:*
LT1521CST-5 功能描述:IC REG LDO 5V .3A SOT223-3 RoHS:否 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - 線性 系列:- 產(chǎn)品培訓(xùn)模塊:More Information on LDOs 標(biāo)準(zhǔn)包裝:50 系列:- 穩(wěn)壓器拓撲結(jié)構(gòu):正，固定式 輸出電壓:3.3V 輸入電壓:最高 15V 電壓 - 壓降（標(biāo)準(zhǔn)）:1.1V @ 800mA 穩(wěn)壓器數(shù)量:1 電流 - 輸出:800mA 電流 - 限制（最小）:800mA 工作溫度:0°C ~ 125°C 安裝類型:表面貼裝 封裝/外殼:TO-263-4，D²Pak（3 引線+接片），TO-263AA 供應(yīng)商設(shè)備封裝:D2PAK-3 包裝:管件
LT1521CST-5#PBF 功能描述:IC REG LDO 5V .3A SOT223-3 RoHS:否 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(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?。?- 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
LT1521CST-5#TR 功能描述:IC REG LDO 5V .3A SOT223-3 RoHS:否 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - 線性 系列:- 產(chǎn)品培訓(xùn)模塊:More Information on LDOs 標(biāo)準(zhǔn)包裝:50 系列:- 穩(wěn)壓器拓撲結(jié)構(gòu):正，固定式 輸出電壓:3.3V 輸入電壓:最高 15V 電壓 - 壓降（標(biāo)準(zhǔn)）:1.1V @ 800mA 穩(wěn)壓器數(shù)量:1 電流 - 輸出:800mA 電流 - 限制（最小）:800mA 工作溫度:0°C ~ 125°C 安裝類型:表面貼裝 封裝/外殼:TO-263-4，D²Pak（3 引線+接片），TO-263AA 供應(yīng)商設(shè)備封裝:D2PAK-3 包裝:管件
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