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LTC3026EDD

更新时间： 2024-11-12 22:20:27
品牌 Logo 应用领域
凌特 - Linear 稳压器
页数 文件大小 规格书
16页 202K
描述
1.5A Low Input Voltage VLDO Linear Regulator

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中文翻译

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LTC3026EDD 技术参数

是否Rohs认证： 不符合生命周期：Transferred
零件包装代码：DFN包装说明：3 X 3 MM, 0.75 MM HEIGHT, PLASTIC, MO-229WEED-2, DFN-10
针数：10Reach Compliance Code：not_compliant
ECCN代码：EAR99HTS代码：8542.39.00.01
风险等级：7.65可调性：ADJUSTABLE
最大回动电压 1：0.25 V标称回动电压 1：0.1 V
JESD-30 代码：S-PDSO-N10JESD-609代码：e0
长度：3 mm湿度敏感等级：1
功能数量：1输出次数：1
端子数量：10工作温度TJ-Max：125 °C
工作温度TJ-Min：最大输出电流 1：1.5 A
最大输出电压 1：2.6 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：SOLCC10,.11,20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）：235
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：20宽度：3 mm
Base Number Matches：1

LTC3026EDD 数据手册

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LTC3026  
1.5A Low Input Voltage  
VLDO Linear Regulator  
U
FEATURES  
DESCRIPTIO  
The LTC®3026 is a very low dropout (VLDOTM) linear  
regulatorthatcanoperateatinputvoltagesdownto1.14V.  
The device is capable of supplying 1.5A of output current  
with a typical dropout voltage of only 100mV. To allow  
operation at low input voltages the LTC3026 includes a  
boostconverterthatprovidesthenecessaryheadroomfor  
the internal LDO circuitry.  
■
Input Voltage Range:  
1.14V to 3.5V (with Boost Enabled)  
1.14V to 5.5V (with External 5V Boost)  
■
Low Dropout Voltage: 100mV at IOUT = 1.5A  
■
Adjustable Output Range: 0.4V to 2.6V  
Output Current: Up to 1.5A  
■
■
Excellent Supply Rejection Even Near Dropout  
■
Shutdown Disconnects Load from VIN and VBST  
Output current comes directly from the input supply to  
maximize efficiency. The boost converter requires only a  
small chip inductor and ceramic capacitor for operation.  
Additionally, the boosted output voltage of one LTC3026  
can supply the boost voltage for other LTC3026s, thus  
requiring a single inductor for multiple LDOs. A user  
supplied boost voltage can be used eliminating the need  
for an inductor altogether.  
■
Low Operating Current: IIN = 950µA at VIN = 1.5V  
■
Low Shutdown Current:  
IIN < 1µA (Typ), IBST = 0.1µA (Typ)  
■
Stable with 10µF or Greater Ceramic Capacitors  
■
Short-Circuit, Reverse Current Protected  
■
Overtemperature Protected  
■
Available in 10-Lead MSOP and 10-Lead  
(3mm × 3mm) DUFN Packages  
The LTC3026 regulator is stable with 10µF or greater  
ceramic output capacitors. The device has a low 0.4V  
reference voltage which is used to program the output  
voltage via two external resistors. The device also has  
internal current limit, overtemperature shutdown, and  
reverse output current protection. The LTC3026 is avail-  
able in a small 10-lead MSOP or low profile (0.75mm)  
10-lead 3mm × 3mm DFN package.  
APPLICATIO S  
■
High Efficiency Linear Regulator  
■
Post Regulator for Switching Supplies  
■
Microprocessor Supply  
, 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.  
Patent Pending  
U
TYPICAL APPLICATIO  
1.2V Output Voltage from 1.5V Input Supply  
Dropout Voltage vs Output Current  
L1  
10µH  
150  
SW  
BST  
5V BOOST  
CONVERTER  
4.7µF  
IN  
100  
V
= 1.5V  
IN  
1.2V  
1.5V  
2.0V  
2.6V  
+
–
0.4V  
4.7µF  
V
= 1.2V,  
OUT  
ADJ  
OUT  
1.5A  
50  
0
8.06k  
4.02k  
C
OUT  
10µF  
OFF ON  
SHDN  
GND  
LTC3026  
100k  
1.0  
1.5  
PG  
0
0.5  
3026 TA01a  
I
(A)  
OUT  
3026 TA01b  
L1: MURATA LQH2MCN100K02  
3026f  
1
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中文翻译

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