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LTC3025EDC-PBF PDF预览

LTC3025EDC-PBF

更新时间： 2024-02-09 13:15:46
品牌 Logo 应用领域
凌特 - Linear 稳压器
页数 文件大小 规格书
12页 167K
描述
300mA Micropower VLDO Linear Regulator

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中文翻译

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LTC3025EDC-PBF 技术参数

是否无铅： 含铅是否Rohs认证： 不符合
生命周期：Transferred零件包装代码：SON
包装说明：HVSON, SOLCC6,.08,20针数：6
Reach Compliance Code：not_compliantECCN代码：EAR99
HTS代码：8542.39.00.01风险等级：5.09
Is Samacsys：N可调性：ADJUSTABLE
最大回动电压 1：0.1 V标称回动电压 1：0.045 V
JESD-30 代码：S-PDSO-N6JESD-609代码：e0
长度：2 mm湿度敏感等级：1
功能数量：1输出次数：1
端子数量：6工作温度TJ-Max：125 °C
工作温度TJ-Min：-40 °C最大输出电流 1：0.3 A
最大输出电压 1：3.6 V最小输出电压 1：0.4 V
封装主体材料：PLASTIC/EPOXY封装代码：HVSON
封装等效代码：SOLCC6,.08,20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）：255
认证状态：Not Qualified调节器类型：ADJUSTABLE POSITIVE SINGLE OUTPUT LDO REGULATOR
座面最大高度：0.8 mm子类别：Other Regulators
表面贴装：YES技术：CMOS
端子面层：Tin/Lead (Sn/Pb)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：40宽度：2 mm
Base Number Matches：1

LTC3025EDC-PBF 数据手册

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LTC3025  
300mA Micropower  
VLDO Linear Regulator  
FEATURES  
DESCRIPTION  
The LTC®3025 is a micropower, VLDOTM (very low drop-  
out)linearregulatorwhichoperatesfrominputvoltagesas  
low as 0.9V. The device is capable of supplying 300mA of  
outputcurrentwithatypicaldropoutvoltageofonly45mV.  
A BIAS supply is required to run the internal reference and  
LDO circuitry while output current comes directly from  
the IN supply for high efficiency regulation. The low 0.4V  
internal reference voltage allows the LTC3025 output to  
be programmed to much lower voltages than available in  
commonLDOs(rangeof0.4Vto3.6V). Theoutputvoltage  
is programmed via two ultrasmall SMD resistors.  
n
Wide Input Voltage Range: 0.9V to 5.5V  
n
Stable with Ceramic Capacitors  
n
Very Low Dropout: 45mV at 300mA  
n
Adjustable Output Range: 0.4V to 3.6V  
n
2% Voltage Accuracy over Temperature  
Supply Load  
Low Noise: 80μV  
n
(10Hz to 100kHz)  
RMS  
n
n
n
n
n
n
n
n
BIAS Voltage Range: 2.5V to 5.5V  
Fast Transient Recovery  
Shutdown Disconnects Load from V and V  
IN  
BIAS  
= 50μA Typ  
= 0.01μA Typ  
Low Operating Current: I = 4μA, I  
Low Shutdown Current: I = 1μA, I  
Output Current Limit  
Thermal Overload Protection  
Available in 6-Lead (2mm × 2mm) DFN Package  
IN  
BIAS  
IN  
BIAS  
The LTC3025’s low quiescent current makes it an ideal  
choice for use in battery-powered systems. For 3-cell  
NiMH and single cell Li-Ion applications, the BIAS voltage  
can be supplied directly from the battery while the input  
can come from a high efficiency buck regulator, providing  
a high efficiency, low noise output.  
APPLICATIONS  
n
Low Power Handheld Devices  
Other features include high output voltage accuracy,  
excellent transient response, stability with ultralow ESR  
ceramic capacitors as small as 1μF, short-circuit and  
thermal overload protection and output current limiting.  
The LTC3025 is available in a tiny, low profile (0.75mm)  
6-lead DFN (2mm × 2mm) package.  
n
Low Voltage Logic Supplies  
n
DSP Power Supplies  
Cellular Phones  
Portable Electronic Equipment  
Handheld Medical Instruments  
n
n
n
n
Post Regulator for Switching Supply Noise Rejection  
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  
1.2V Output Voltage from 1.5V Input Supply  
1MHz VIN Supply Rejection  
50  
V
I
= 1.2V  
≤ 300mA  
OUT  
OUT  
BIAS  
IN  
OUT  
ADJ  
GND  
45  
40  
35  
30  
25  
20  
15  
10  
5
C
= 10μF  
OUT  
0.1μF  
1μF  
Li-Ion  
OR  
3-CELL  
NiMH  
1.5V HIGH  
EFFICIENCY  
DC/DC  
LTC3025  
80.6k  
1.5V  
C
= 1μF  
OUT  
BUCK  
0.1μF  
40.2k  
OFF ON  
SHDN  
3025 TA01  
BIAS = 3.6V  
OUT  
I
I
= 100mA  
= 300mA  
OUT  
OUT  
V
= 1.2V  
0
1.2  
1.6 1.8 2.0  
(V)  
2.2 2.4 2.6  
1.4  
V
IN  
3025fb  
3025 TA01b  
1
1234567...12

中文翻译

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