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参数资料
| 型号： | LT3021ES8-1.8#TRPBF |
| 厂商： | Linear Technology |
| 文件页数： | 1/16页 |
| 文件大小： | 0K |
| 描述： | IC REG LDO 1.8V .5A 8-SOIC |
| 产品培训模块： | More Information on LDOs |
| 标准包装： | 2,500 |
| 稳压器拓扑结构： | 正，固定式 |
| 输出电压： | 1.8V |
| 输入电压： | 最高 10V |
| 电压 - 压降（标准）： | 0.155V @ 500mA |
| 稳压器数量： | 1 |
| 电流 - 输出： | 500mA |
| 电流 - 限制（最小）： | 550mA |
| 工作温度： | -40°C ~ 125°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 8-SOIC（0.154"，3.90mm 宽） |
| 供应商设备封装： | 8-SOIC |
| 包装： | 带卷 (TR) |
LT3021/LT3021-1.2/
LT3021-1.5/LT3021-1.8
500mA, Low Voltage,
Very Low Dropout
Linear Regulator
FEATURES
DESCRIPTION
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V IN Range: 0.9V to 10V
Dropout Voltage: 160mV Typical
Output Current: 500mA
Adjustable Output (V REF = V OUT(MIN) = 200mV)
Fixed Output Voltages: 1.2V, 1.5V, 1.8V
Stable with Low ESR, Ceramic Output Capacitors
(3.3μF Minimum)
0.2% Load Regulation from 0mA to 500mA
Quiescent Current: 120μA (Typ)
3μA Typical Quiescent Current in Shutdown
Current Limit Protection
Reverse-Battery Protection
No Reverse Current
Thermal Limiting with Hysteresis
16-Pin DFN (5mm × 5mm) and 8-Lead
SO Packages
The LT ? 3021 is a very low dropout voltage (VLDO?) lin-
ear regulator that operates from input supplies down to
0.9V. This device supplies 500mA of output current with
a typical dropout voltage of 160mV. The LT3021 is ideal
for low input voltage to low output voltage applications,
providing comparable electrical ef?ciency to that of a
switching regulator.
The LT3021 regulator optimizes stability and transient
response with low ESR, ceramic output capacitors as small
as 3.3μF. Other LT3021 features include 0.05% typical line
regulation and 0.2% typical load regulation. In shutdown,
quiescent current typically drops to 3μA.
Internal protection circuitry includes reverse-battery pro-
tection, current limiting, thermal limiting with hysteresis,
and reverse-current protection. The LT3021 is available as
an adjustable output device with an output range down to
APPLICATIONS
the 200mV reference. Three ?xed output voltages, 1.2V,
1.5V and 1.8V, are also available.
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Low Current Regulators
Battery-Powered Systems
Cellular Phones
Pagers
Wireless Modems
The LT3021 regulator is available in the low pro?le
(0.75mm) 16-pin (5mm × 5mm) DFN package with ex-
posed pad and the 8-lead SO package.
L , LT, LTC and LTM are registered trademarks of Linear Technology Corporation. VLDO is
a trademark of Linear Technology Corporation. All other trademarks are the property of their
respective owners.
TYPICAL APPLICATION
Minimum Input Voltage
1.1
1.0
I L = 500mA
1.8V to 1.5V, 500mA VLDO Regulator
0.9
0.8
V IN
1.8V
3.3 μ F
IN
OUT
LT3021-1.5
3.3 μ F
V OUT
1.5V
500mA
0.7
0.6
SHDN
SENSE
0.5
GND
3021 TA01
0.4
0.3
0.2
0.1
0
–50
–25
0
25
50 75
100
125
TEMPERATURE ( ° C)
3021 TA02
3021fc
1
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相关代理商/技术参数 |
参数描述 |
|---|---|
| LT3021ES8PBF | 制造商:Linear Technology 功能描述:LDO Regulator Adj. 500mA 0.9-10V SOIC8 |
| LT3021IS8-1.8#PBF | 功能描述:IC REG LDO 1.8V .5A 8-SOIC RoHS:是 类别:集成电路 (IC) >> PMIC - 稳压器 - 线性 系列:- 标准包装:800 系列:- 稳压器拓扑结构:正，固定式 输出电压:2.5V 输入电压:最高 16V 电压 - 压降（标准）:0.7V @ 4A 稳压器数量:1 电流 - 输出:4A 电流 - 限制（最小）:4.2A 工作温度:0°C ~ 125°C 安装类型:表面贴装 封装/外壳:TO-263-6，D²Pak（5 引线+接片），TO-263BA 供应商设备封装:TO-263-5 包装:带卷 (TR) 其它名称:AP1184K525L-13AP1184K525LDITR |
| LT3021IS8-1.8#TRPBF | 功能描述:IC REG LDO 1.8V .5A 8-SOIC RoHS:是 类别:集成电路 (IC) >> PMIC - 稳压器 - 线性 系列:- 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:2.3 V ~ 5.5 V 电压 - 压降（标准）:0.035V @ 150mA 稳压器数量:2 电流 - 输出:150mA 电流 - 限制（最小）:300mA 工作温度:-40°C ~ 125°C 安装类型:表面贴装 封装/外壳:6-UFDFN 裸露焊盘，6-TMLF? 供应商设备封装:6-TMLF?（1.6x1.6） 包装:Digi-Reel® 产品目录页面:1104 (CN2011-ZH PDF) 其它名称:576-3018-6 |
| LT3022 | 制造商:LINER 制造商全称:Linear Technology 功能描述:1.5A, Low Noise, Negative Linear Regulator |
| LT3022EDHC | 制造商:LINER 制造商全称:Linear Technology 功能描述:1A, 0.9V to 10V, Very Low Dropout Linear Regulator |
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