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LT3021EDH-1.5 PDF预览

LT3021EDH-1.5

更新时间： 2024-01-08 12:09:31
品牌 Logo 应用领域
凌特 - Linear 稳压器
页数 文件大小 规格书
16页 236K
描述
500mA, Low Voltage, Very Low Dropout Linear Regulator

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LT3021EDH-1.5 技术参数

是否无铅： 含铅是否Rohs认证： 符合
生命周期：Active包装说明：HVSON,
针数：16Reach Compliance Code：compliant
风险等级：5.17最大回动电压 1：0.285 V
最大输入电压：10 V最小输入电压：1.8 V
JESD-30 代码：S-PDSO-N16JESD-609代码：e3
长度：5 mm湿度敏感等级：1
功能数量：1端子数量：16
工作温度TJ-Max：125 °C工作温度TJ-Min：-40 °C
最大输出电流 1：0.5 A最大输出电压 1：1.545 V
最小输出电压 1：1.447 V标称输出电压 1：1.5 V
封装主体材料：PLASTIC/EPOXY封装代码：HVSON
封装形状：SQUARE封装形式：SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE
峰值回流温度（摄氏度）：260认证状态：Not Qualified
调节器类型：FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR座面最大高度：0.8 mm
表面贴装：YES端子面层：Matte Tin (Sn)
端子形式：NO LEAD端子节距：0.5 mm
端子位置：DUAL处于峰值回流温度下的最长时间：30
宽度：5 mmBase Number Matches：1

LT3021EDH-1.5 数据手册

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LT3021/LT3021-1.2/  
LT3021-1.5/LT3021-1.8  
500mA, Low Voltage,  
Very Low Dropout  
Linear Regulator  
U
DESCRIPTIO  
FEATURES  
The LT®3021 is a very low dropout voltage (VLDOTM) linear  
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 efficiency to that of a  
switching regulator.  
■
VIN Range: 0.9V to 10V  
■
Dropout Voltage: 160mV Typical  
■
Output Current: 500mA  
■
Adjustable Output (VREF = VOUT(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  
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.  
■
Quiescent Current: 120µA (Typ)  
■
3µA Typical Quiescent Current in Shutdown  
■
Current Limit Protection  
■
Reverse-Battery Protection  
■
No Reverse Current  
■
Internal protection circuitry includes reverse-battery pro-  
tection, current limiting, thermal limiting with hysteresis,  
andreverse-currentprotection. TheLT3021isavailableas  
an adjustable output device with an output range down to  
the 200mV reference. Three fixed output voltages, 1.2V,  
1.5V and 1.8V, are also available.  
Thermal Limiting with Hysteresis  
■
16-Pin DFN (5mm × 5mm) and 8-Lead  
SO Packages  
U
APPLICATIO S  
■
Low Current Regulators  
The LT3021 regulator is available in the low profile  
(0.75mm) 16-pin (5mm × 5mm) DFN package with ex-  
posed pad and the 8-lead SO package.  
, LTC and LT 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.  
■
Battery-Powered Systems  
■
Cellular Phones  
■
Pagers  
■
Wireless Modems  
U
TYPICAL APPLICATIO  
Minimum Input Voltage  
1.8V to 1.5V, 500mA VLDO Regulator  
1.1  
I
L
= 500mA  
1.0  
0.9  
0.8  
0.7  
0.6  
0.5  
0.4  
0.3  
0.2  
0.1  
0
V
OUT  
V
IN  
IN  
OUT  
LT3021-1.5  
1.5V  
1.8V  
500mA  
3.3µF  
3.3µF  
SHDN SENSE  
GND  
3021 TA01  
–50 –25  
0
25  
50  
75 100 125  
TEMPERATURE (°C)  
3021 TA02  
3021fa  
1
1234567...16

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