- 您現在的位置：買賣IC網 > PDF目錄377685 > LT1123CST (LINEAR TECHNOLOGY CORP) Cap-Free, NMOS, 150mA Low Dropout Regulator with Reverse Current Protection PDF資料下載
參數資料
| 型號： | LT1123CST |
| 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： | 5 V FIXED POSITIVE LDO REGULATOR, 0.75 V DROPOUT, PDSO4 |
| 封裝： | PLASTIC, SOT-223, 4 PIN |
| 文件頁數： | 1/16頁 |
| 文件大小： | 167K |
| 代理商： | LT1123CST |
1
LT1123
1123fb
Low Dropout
Regulator Driver
The LT
1123 is a 3-pin bipolar device designed to be used
in conjunction with a discrete PNP power transistor to
form an inexpensive low dropout regulator. The LT1123
consists of a trimmed bandgap reference, error amplifier,
and a driver circuit capable of sinking up to 125mA from
the base of the external PNP pass transistor. The LT1123
is designed to provide a fixed output voltage of 5V.
The drive pin of the device can pull down to 2V at 125mA
(1.4V at 10mA). This allows a resistor to be used to reduce
the base drive available to the PNP and minimize the
power dissipation in the LT1123. The drive current of the
LT1123 is folded back as the feedback pin approaches
ground to further limit the available drive current under
short-circuit conditions.
Total quiescent current for the LT1123 is only 700
μ
A. The
device is available in a low cost TO-92 package.
■
Extremely Low Dropout
■
Low Cost
■
Fixed 5V Output, Trimmed to
±
1%
■
700
μ
A Quiescent Current
■
1mV Line Regulation
■
5mV Load Regulation
■
Thermal Limit
■
4A Output Current Guaranteed
■
Available in a 3-Pin TO-92 Package
5V Low Dropout Regulator
Dropout Voltage
FEATURES
DESCRIPTIOU
TYPICAL APPLICATIO
U
620
10
μ
F*
SEALED
LEAD ACID
5.4 TO 7.2V
*REQUIRED IF DEVICE IS
MORE THAN 6" FROM MAIN
FILTER CAPACITOR
REQUIRED FOR STABILITY
(LARGER VALUES INCREASE
STABILITY)
OUTPUT = 5V/4A
10
μ
F
LT1123 TA01
20
MOTOROLA
MJE1123
DRIVE
LT1123
GND
FB
+
+
OUTPUT CURRENT (A)
0
D
0.3
0.4
0.5
4
LT1123 TA02
0.2
0.1
0
1
2
3
5
, LTC and LT are registered trademarks of Linear Technology Corporation.
All other trademarks are the property of their respective owners.
相關PDF資料 |
PDF描述 |
|---|---|
| LT1123CZ | Cap-Free, NMOS, 150mA Low Dropout Regulator with Reverse Current Protection |
| LT1123 | Cap-Free, NMOS, 150mA Low Dropout Regulator with Reverse Current Protection |
| LT1124 | Dual Low Noise, High Speed Precision Op Amps(雙路低噪聲,高速精密運算放大器) |
| LT1125 | Quad Low Noise, High Speed Precision Op Amps(四路低噪聲,高速精密運算放大器) |
| LT1125ACN | Dual/Quad Low Noise, High Speed Precision Op Amps |
相關代理商/技術參數 |
參數描述 |
|---|---|
| LT1123CST#PBF | 功能描述:IC REG CTRLR SGL 5V SOT223 RoHS:是 類別:集成電路 (IC) >> PMIC - 穩壓器 - 線性晶體管驅動器 系列:- 產品培訓模塊:More Information on LDOs 標準包裝:2,500 系列:- 類型:正，固定式 輸出數:2 輸出電壓:2.8V，3.3V 電流 - 電源:12mA 輸入電壓:5 V ~ 22 V 工作溫度:0°C ~ 70°C 封裝/外殼:16-SOIC（0.154"，3.90mm 寬） 供應商設備封裝:16-SOIC 包裝:帶卷 (TR) |
| LT1123CST#TR | 功能描述:IC REG CTRLR SGL 5V SOT223 RoHS:否 類別:集成電路 (IC) >> PMIC - 穩壓器 - 線性晶體管驅動器 系列:- 產品培訓模塊:More Information on LDOs 標準包裝:2,500 系列:- 類型:正，固定式 輸出數:2 輸出電壓:2.8V，3.3V 電流 - 電源:12mA 輸入電壓:5 V ~ 22 V 工作溫度:0°C ~ 70°C 封裝/外殼:16-SOIC（0.154"，3.90mm 寬） 供應商設備封裝:16-SOIC 包裝:帶卷 (TR) |
| LT1123CST#TRPBF | 功能描述:IC REG CTRLR SGL 5V SOT223 RoHS:是 類別:集成電路 (IC) >> PMIC - 穩壓器 - 線性晶體管驅動器 系列:- 產品培訓模塊:More Information on LDOs 標準包裝:2,500 系列:- 類型:正，固定式 輸出數:2 輸出電壓:2.8V，3.3V 電流 - 電源:12mA 輸入電壓:5 V ~ 22 V 工作溫度:0°C ~ 70°C 封裝/外殼:16-SOIC（0.154"，3.90mm 寬） 供應商設備封裝:16-SOIC 包裝:帶卷 (TR) |
| LT1123CZ | 功能描述:IC REG CTRLR SGL 5V TO-92-3 RoHS:否 類別:集成電路 (IC) >> PMIC - 穩壓器 - 線性晶體管驅動器 系列:- 產品培訓模塊:More Information on LDOs 標準包裝:2,500 系列:- 類型:正，固定式 輸出數:2 輸出電壓:2.8V，3.3V 電流 - 電源:12mA 輸入電壓:5 V ~ 22 V 工作溫度:0°C ~ 70°C 封裝/外殼:16-SOIC（0.154"，3.90mm 寬） 供應商設備封裝:16-SOIC 包裝:帶卷 (TR) |
| LT1123CZ#PBF | 功能描述:IC REG CTRLR SGL 5V TO-92-3 RoHS:是 類別:集成電路 (IC) >> PMIC - 穩壓器 - 線性晶體管驅動器 系列:- 產品培訓模塊:More Information on LDOs 標準包裝:2,500 系列:- 類型:正，固定式 輸出數:2 輸出電壓:2.8V，3.3V 電流 - 電源:12mA 輸入電壓:5 V ~ 22 V 工作溫度:0°C ~ 70°C 封裝/外殼:16-SOIC（0.154"，3.90mm 寬） 供應商設備封裝:16-SOIC 包裝:帶卷 (TR) |
發布緊急采購，3分鐘左右您將得到回復。