參數資料
型號： LT1121ACS8-3.3
廠商： LINEAR TECHNOLOGY CORP
元件分類： 基準電壓源/電流源
英文描述： Cap-Free, NMOS, 150mA Low Dropout Regulator with Reverse Current Protection
中文描述： 3.3 V FIXED POSITIVE LDO REGULATOR, 0.7 V DROPOUT, PDSO8
封裝： 0.150 INCH, PLASTIC, SOP-8
文件頁數： 2/12頁
文件大小： 269K
代理商： LT1121ACS8-3.3
2
LT1121/LT1121-3.3/LT1121-5
Storage Temperature Range ................. –65
°
C to 150
°
C
Operating Junction Temperature Range (Note 2)
LT1121C-X ......................................... 0
°
C to 125
°
C
LT1121I-X ..................................... –40
°
C to 125
°
C
Lead Temperature (Soldering, 10 sec)..................300
°
C
*For applications requiring input voltage ratings greater than 30V, contact the factory.
Input Voltage ......................................................
±
30V*
Output Pin Reverse Current................................. 10mA
Adjust Pin Current ............................................... 10mA
Shutdown Pin Input Voltage (Note 1) ........ 6.5V, –0.6V
Shutdown Pin Input Current (Note 1) .................. 20mA
Output Short-Circuit Duration......................... Indefinite
A
U
G
W
A
W
U
W
A
R
BSOLUTE
XI
TI
S
ELECTRICAL C
HARA TERISTICS
PARAMETER
Regulated Output Voltage
(Note 3)
CONDITIONS
LT1121-3.3
MIN
3.250
3.200
4.925
4.850
3.695
3.640
TYP
3.300
3.300
5.000
5.000
3.750
3.750
1.5
1.5
1.5
MAX
3.350
3.400
5.075
5.150
3.805
3.860
10
10
10
UNITS
V
IN
= 3.8V, I
OUT
= 1mA, T
J
= 25
°
C
4.3V < V
IN
< 20V, 1mA < I
OUT
< 150mA
V
IN
= 5.5V, I
OUT
= 1mA, T
J
= 25
°
C
6V < V
IN
< 20V, 1mA < I
OUT
< 150mA
V
IN
= 4.3V, I
OUT
= 1mA, T
J
= 25
°
C
4.8V < V
IN
< 20V, 1mA < I
OUT
< 150mA
V
IN
= 4.8V to 20V, I
OUT
= 1mA
V
IN
= 5.5V to 20V, I
OUT
= 1mA
V
IN
= 4.3V to 20V, I
OUT
= 1mA
V
V
V
V
V
V
G
LT1121-5
G
LT1121 (Note 4)
G
Line Regulation
LT1121-3.3
LT1121-5
LT1121 (Note 4)
G
mV
mV
mV
G
G
U
PACKAGE/ORDER U
θ
JA
≈
150
°
C/W
θ
JA
≈
50
°
C/W
1
2
3
BOTTOM VIEW
IN
GND
OUT
Z PACKAGE
3-LEAD PLASTIC TO-92
LT1121 PO02
3
2
1
FRONT VIEW
TAB IS
GND
OUTPUT
GND
V
IN
ST PACKAGE
3-LEAD PLASTIC S
LT1121 PO03
ORDER PART NUMBER
ORDER PART
NUMBER
LT1121CZ-3.3
LT1121IZ-3.3
LT1121CZ-5
LT1121IZ-5
Consult factory for Military grade parts.
LT1121CN8
LT1121CN8-3.3
LT1121CN8-5
LT1121IN8
LT1121IN8-3.3
LT1121IN8-5
LT1121CS8
LT1121CS8-3.3
LT1121CS8-5
LT1121IS8
LT1121IS8-3.3
LT1121IS8-5
LT1121ACS8
LT1121ACS8-3.3
LT1121ACS8-5
LT1121AIS8
LT1121AIS8-3.3
LT1121AIS8-5
1121
11213
11215
1121I
121I3
121I5
1121A
121A3
121A5
121AI
121AI3
121AI5
LT1121CST-3.3
LT1121IST-3.3
LT1121CST-5
LT1121IST-5
S8 PART
MARKING
ORDER PART
NUMBER
1
2
3
4
8
7
6
5
TOP VIEW
OUT
NC/ADJ*
GND
NC
IN
NC**
NC**
SHDN
N8 PACKAGE
8-LEAD PLASTIC DIP
S8 PACKAGE
8-LEAD PLASTIC SOIC
PIN 2 = NC FOR LT1121-3.3/LT1121-5
= ADJ FOR LT1121
PINS 6 AND 7 ARE FLOATING (NO
INTERNAL CONNECTION) ON THE
STANDARD S8 PACKAGE.
PINS 6 AND 7 CONNECTED TO GROUND
ON THE A VERSION OF THE LT1121 (S8 ONLY).
CONNECTING PINS 6 AND 7 TO THE
GROUND PLANE WILL REDUCE THERMAL
RESISTANCE. SEE THERMAL RESISTANCE
TABLES IN THE APPLICATIONS INFORMATION
SECTION.
*
**
θ
JA
≈
120
°
C/W (N8, S8)
θ
JA
≈
70
°
C/W (AS8)
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相關代理商/技術參數
參數描述
LT1121ACS8-5 功能描述:IC REG LDO 5V .15A 8-SOIC RoHS:否 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - 線性 系列:- 產品培訓模塊:MIC5365/66 Ultra-small LDO Regulators 標準包裝:1 系列:- 穩(wěn)壓器拓撲結構:正，固定式 輸出電壓:3V 輸入電壓:最高 5.5V 電壓 - 壓降（標準）:0.155V @ 150mA 穩(wěn)壓器數量:1 電流 - 輸出:150mA 電流 - 限制（最?。?200mA 工作溫度:-40°C ~ 125°C 安裝類型:表面貼裝 封裝/外殼:4-UDFN 裸露焊盤，4-TMLF? 供應商設備封裝:4-TMLF?（1x1） 包裝:Digi-Reel® 其它名稱:576-3192-6
LT1121ACS8-5#PBF 功能描述:IC REG LDO 5V .15A 8-SOIC RoHS:是 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - 線性 系列:- 產品培訓模塊:MIC5365/66 Ultra-small LDO Regulators 標準包裝:1 系列:- 穩(wěn)壓器拓撲結構:正，固定式 輸出電壓:3V 輸入電壓:最高 5.5V 電壓 - 壓降（標準）:0.155V @ 150mA 穩(wěn)壓器數量:1 電流 - 輸出:150mA 電流 - 限制（最?。?200mA 工作溫度:-40°C ~ 125°C 安裝類型:表面貼裝 封裝/外殼:4-UDFN 裸露焊盤，4-TMLF? 供應商設備封裝:4-TMLF?（1x1） 包裝:Digi-Reel® 其它名稱:576-3192-6
LT1121ACS8-5#PBFE3 制造商:Linear Technology 功能描述:5 V FIXED POSITIVE LDO REGULATOR, 0.7 V DROPOUT, PDSO8
LT1121ACS8-5#TR 功能描述:IC REG LDO 5V .15A 8-SOIC RoHS:否 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - 線性 系列:- 產品培訓模塊:More Information on LDOs 標準包裝:50 系列:- 穩(wěn)壓器拓撲結構:正，固定式 輸出電壓:3.3V 輸入電壓:最高 15V 電壓 - 壓降（標準）:1.1V @ 800mA 穩(wěn)壓器數量: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 供應商設備封裝:D2PAK-3 包裝:管件
LT1121ACS8-5#TRPBF 功能描述:IC REG LDO 5V .15A 8-SOIC RoHS:是 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - 線性 系列:- 產品培訓模塊:More Information on LDOs 標準包裝:50 系列:- 穩(wěn)壓器拓撲結構:正，固定式 輸出電壓:3.3V 輸入電壓:最高 15V 電壓 - 壓降（標準）:1.1V @ 800mA 穩(wěn)壓器數量: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 供應商設備封裝:D2PAK-3 包裝:管件
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