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| 型号： | LT3082EDD#PBF |
| 厂商： | Linear Technology |
| 文件页数： | 14/20页 |
| 文件大小： | 0K |
| 描述： | IC REG LDO ADJ .2A 8DFN |
| 产品培训模块： | LT3082 - 200mA Single Resistor Low Dropout Linear Regulator |
| 标准包装： | 121 |
| 稳压器拓扑结构： | 正，可调式 |
| 输出电压： | 可调 |
| 输入电压： | 1.2 V ~ 40 V |
| 电压 - 压降（标准）： | 1.3V @ 200mA |
| 稳压器数量： | 1 |
| 电流 - 输出： | 200mA（最小值） |
| 电流 - 限制（最小）： | 200mA |
| 工作温度： | -40°C ~ 125°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 8-WFDFN 裸露焊盘 |
| 供应商设备封装： | 8-DFN-EP（3x3） |
| 包装： | 管件 |
| 产品目录页面： | 1331 (CN2011-ZH PDF) |
LT3082
APPLICATIONS INFORMATION
Protection Features
The LT3082 incorporates several protection features ideal
for battery-powered circuits, among other applications. In
addition to normal monolithic regulator protection features
such as current limiting and thermal limiting, the LT3082
protects itself against reverse-input voltages, reverse-
output voltages, and reverse OUT-to-SET pin voltages.
Current limit protection and thermal overload protection
protect the IC against output current overload conditions.
For normal operation, do not exceed a junction temperature
of 125°C. The thermal shutdown circuit’s temperature
threshold is typically 165°C and incorporates about 5°C
of hysteresis.
The LT3082’s IN pin withstands ±40V voltages with respect
to the OUT and SET pins. Reverse current ?ow, if OUT is
TYPICAL APPLICATIONS
DAC-Controlled Regulator
greater than IN, is less than 1mA (typically under 100μA),
protecting the LT3082 and sensitive loads.
Clamping diodes and 1k limiting resistors protect the
LT3082’s SET pin relative to the OUT pin voltage. These
protection components typically only carry current under
transient overload conditions. These devices are sized to
handle ±10V differential voltages and ±15mA crosspin
current ?ow without concern. Relative to these application
concerns, note the following two scenarios. The ?rst sce-
nario employs a noise-reducing SET pin bypass capacitor
while OUT is instantaneously shorted to GND. The second
scenario follows improper shutdown techniques in which
the SET pin is reset to GND quickly while OUT is held up
by a large output capacitance with light load. The Typical
Applications section shows simple, robust techniques for
shutting down SET and OUT together.
Two-Level Regulator
V IN
IN
LT3082
V IN
IN
LT3082
10μA
+
10μA
+
150k
450k
–
–
SPI
LTC2641
150k
–
+
LT1991
SET
OUT
V OUT
4.7μF
SET
R2
OUT
V OUT
2.2μF
GAIN = 4
3082 TA02
VN2222LL
R1
3082 TA03
3082f
14
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相关代理商/技术参数 |
参数描述 |
|---|---|
| LT3082EDDTR | 制造商:LINER 制造商全称:Linear Technology 功能描述:200mA Single Resistor Low Dropout Linear Regulator |
| LT3082EDDTRPBF | 制造商:LINER 制造商全称:Linear Technology 功能描述:200mA Single Resistor Low Dropout Linear Regulator |
| LT3082EST | 制造商:LINER 制造商全称:Linear Technology 功能描述:200mA Single Resistor Low Dropout Linear Regulator |
| LT3082EST#PBF | 功能描述:IC REG LDO ADJ .2A SOT223-3 RoHS:是 类别:集成电路 (IC) >> PMIC - 稳压器 - 线性 系列:- 产品培训模块:MIC5365/66 Ultra-small LDO Regulators 标准包装:1 系列:- 稳压器拓扑结构:正，固定式 输出电压:3V 输入电压:最高 5.5V 电压 - 压降（标准）:0.155V @ 150mA 稳压器数量:1 电流 - 输出:150mA 电流 - 限制（最小）:200mA 工作温度:-40°C ~ 125°C 安装类型:表面贴装 封装/外壳:4-UDFN 裸露焊盘，4-TMLF? 供应商设备封装:4-TMLF?（1x1） 包装:Digi-Reel® 其它名称:576-3192-6 |
| LT3082EST#PBF | 制造商:Linear Technology 功能描述:LDO ADJ 200mA SOT-223-3 制造商:Linear Technology 功能描述:LDO, ADJ, 200mA, SOT-223-3 |
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