参数资料
| 型号： | LT1020ISW#TRPBF |
| 厂商： | Linear Technology |
| 文件页数： | 1/16页 |
| 文件大小： | 0K |
| 描述： | IC REG LDO ADJ 125MA 16-SOIC |
| 标准包装： | 1,000 |
| 稳压器拓扑结构： | 正，可调式 |
| 输出电压： | 可调 |
| 输入电压： | 4.5 V ~ 36 V |
| 电压 - 压降（标准）： | 0.4V @ 125mA |
| 稳压器数量： | 1 |
| 电流 - 输出： | 125mA（最小） |
| 工作温度： | 0°C ~ 100°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 16-SOIC（0.295"，7.50mm 宽） |
| 供应商设备封装： | 16-SOIC |
| 包装： | 带卷 (TR) |
LT1020
Micropower Regulator
and Comparator
FEATURES
DESCRIPTIO
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Input Voltage Range: 4.5V to 36V
40 μ A Supply Current
125mA Output Current
2.5V Reference Voltage
Reference Output Sources 1mA and Sinks 0.5mA
Dual Output Comparator
Comparator Sinks 10mA
Dropout Detector
0.2V Dropout Voltage
Thermal Limiting
Available in SO Package
The LT ? 1020 is a combination micropower positive regu-
lator 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-
APPLICATIO S
parator can be used to warn of low system voltage while
the dropout detector shuts down the system to prevent
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Battery Systems
Battery Backup Systems
Portable Terminals
Portable Instruments
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.
, LTC and LT are registered trademarks of Linear Technology Corporation.
TYPICAL APPLICATIO
5V Regulator
Dropout Voltage and Supply Current
V IN > 5.2V
I Q = 40 μ A
3
V IN
V OUT
2
5V
1
10
+
10 μ F
LT1020
GND
FB
11
0.001 μ F
1M
+
10 μ F
9
1M
1020 TA01
0.1
0.01
1
0.1
0.1
1
10
100
1000
OUTPUT CURRENT (mA)
1020 TA02
sn1020 1020fcs
1
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| LT1021BCH-5 | 功能描述:IC VREF SERIES BURIED ZENER TO-5 RoHS:否 类别:集成电路 (IC) >> PMIC - 电压基准 系列:- 标准包装:2,000 系列:- 基准类型:旁路，可调节，精度 输出电压:1.24 V ~ 16 V 容差:±0.5% 温度系数:- 输入电压:1.24 V ~ 16 V 通道数:1 电流 - 阴极:100µA 电流 - 静态:- 电流 - 输出:20mA 工作温度:-40°C ~ 85°C 安装类型:通孔 封装/外壳:TO-226-3、TO-92-3（TO-226AA）成形引线 供应商设备封装:TO-92-3 包装:带卷 (TR) |
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