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參數資料
| 型號： | LT1020MJ |
| 廠商： | LINEAR TECHNOLOGY CORP |
| 元件分類： | 基準電壓源/電流源 |
| 英文描述： | Micropower Regulator and Comparator |
| 中文描述： | 4 V-30 V ADJUSTABLE POSITIVE REGULATOR, CDIP14 |
| 封裝： | 0.300 INCH, CERAMIC, DIP-14 |
| 文件頁數： | 1/16頁 |
| 文件大小： | 364K |
| 代理商： | LT1020MJ |
1
LT1020
Micropower Regulator
and Comparator
S
FEATURE
I
40
μ
A Supply Current
I
125mA Output Current
I
2.5V Reference Voltage
I
Reference Output Sources 1mA and Sinks 0.5mA
I
Dual Output Comparator
I
Comparator Sinks 10mA
I
Dropout Detector
I
0.2V Dropout Voltage
I
Thermal Limiting
I
Available in SO Package
U
S
A
O
PPLICATI
I
Battery Systems
I
Battery Backup Systems
I
Portable Terminals
I
Portable Instruments
The LT1020 is a combination micropower positive regula-
tor and free collector comparator on a single monolithic
chip. With only 40
μ
A supply current, the LT1020 can
supply over 125mA of output current. Input voltage range
is from 4.5V to 36V and dropout voltage is 0.6V at 125mA.
Dropout voltage decreases with lower load currents. Also
included on the chip is a class B output 2.5V reference that
can either source or sink current. A dropout detector
provides an output current to indicate when the regulator
is about to drop out of regulation.
The dual output comparator can be used as a comparator
for system or battery monitoring. For example, the com-
parator can be used to warn of low system voltage while
the dropout detector shuts down the system to prevent
abnormal operation. Frequency compensation of the com-
parator for amplifier applications can be obtained by
adding external output capacitance. Dual output or posi-
tive and negative regulators can also be made.
The 2.5V reference will source or sink current. This allows
it to be used as a supply splitter or auxiliary output.
D
U
ESCRIPTIO
U
A
O
PPLICATI
TYPICAL
5V Regulator
Dropout Voltage and Supply Current
+
V
IN
> 5.2V
I
Q
= 40
μ
A
10
μ
F
10
μ
F
0.001
μ
F
1M
1M
5V
2
11
3
9
V
IN
V
OUT
FB
GND
+
LT1020
1020 TA01
OUTPUT CURRENT (mA)
0.1
0.01
D
0.1
1
10
1000
1020 TA02
1
100
0.1
1
10
S
相關PDF資料 |
PDF描述 |
|---|---|
| LT1021CMH-10 | Precision Reference |
| LT1021BCH-10 | Precision Reference |
| LT1021BCH-5 | Precision Reference |
| LT1021BCH-7 | Precision Reference |
| LT1021BCN8-10 | Precision Reference |
相關代理商/技術參數 |
參數描述 |
|---|---|
| LT1020MJ883C | 制造商:LT 功能描述:New |
| LT1021BCH-5 | 功能描述:IC VREF SERIES BURIED ZENER TO-5 RoHS:否 類別:集成電路 (IC) >> PMIC - 電壓基準 系列:- 標準包裝:2,000 系列:- 基準類型:旁路，可調節，精度 輸出電壓:1.24 V ~ 16 V 容差:±0.5% 溫度系數:- 輸入電壓:1.24 V ~ 16 V 通道數:1 電流 - 陰極:100µA 電流 - 靜態:- 電流 - 輸出:20mA 工作溫度:-40°C ~ 85°C 安裝類型:通孔 封裝/外殼:TO-226-3、TO-92-3（TO-226AA）成形引線 供應商設備封裝:TO-92-3 包裝:帶卷 (TR) |
| LT1021BCN8-10 | 功能描述:IC VREF SERIES SHUNT ZNR 8-PDIP RoHS:否 類別:集成電路 (IC) >> PMIC - 電壓基準 系列:- 標準包裝:2,000 系列:- 基準類型:旁路，可調節，精度 輸出電壓:1.24 V ~ 16 V 容差:±0.5% 溫度系數:- 輸入電壓:1.24 V ~ 16 V 通道數:1 電流 - 陰極:100µA 電流 - 靜態:- 電流 - 輸出:20mA 工作溫度:-40°C ~ 85°C 安裝類型:通孔 封裝/外殼:TO-226-3、TO-92-3（TO-226AA）成形引線 供應商設備封裝:TO-92-3 包裝:帶卷 (TR) |
| LT1021BCN8-10#PBF | 功能描述:IC VREF SERIES SHUNT ZNR 8-PDIP RoHS:是 類別:集成電路 (IC) >> PMIC - 電壓基準 系列:- 標準包裝:3,000 系列:- 基準類型:旁路，精度 輸出電壓:3V 容差:±0.5% 溫度系數:100ppm/°C 輸入電壓:- 通道數:1 電流 - 陰極:82µA 電流 - 靜態:- 電流 - 輸出:15mA 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:6-TSSOP（5 引線），SC-88A，SOT-353 供應商設備封裝:SC-70-5 包裝:帶卷 (TR) 其它名稱:296-20888-2 |
| LT1021BCN8-10#PBF | 制造商:Linear Technology 功能描述:IC VOLTAGE REFERENCE 10V DIP-8 制造商:Linear Technology 功能描述:IC, VOLTAGE REFERENCE, 10V, DIP-8 |
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