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LTC3026EDD-1#PBF

更新时间： 2024-11-13 21:01:43
品牌 Logo 应用领域
凌特 - Linear 光电二极管输出元件调节器
页数 文件大小 规格书
18页 252K
描述
LTC3026-1 - 1.5A Low Input Voltage VLDO Linear Regulator; Package: DFN; Pins: 10; Temperature Range: -40°C to 85°C

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LTC3026EDD-1#PBF 技术参数

是否Rohs认证： 符合生命周期：Transferred
零件包装代码：DFN包装说明：HVSON,
针数：10Reach Compliance Code：compliant
ECCN代码：EAR99HTS代码：8542.39.00.01
风险等级：7.57最大回动电压 1：0.25 V
JESD-30 代码：S-PDSO-N10JESD-609代码：e3
长度：3 mm湿度敏感等级：1
功能数量：1端子数量：10
工作温度TJ-Max：125 °C工作温度TJ-Min：-40 °C
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封装形状：SQUARE
封装形式：SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE峰值回流温度（摄氏度）：NOT SPECIFIED
调节器类型：ADJUSTABLE POSITIVE SINGLE OUTPUT LDO REGULATOR座面最大高度：0.8 mm
表面贴装：YES技术：CMOS
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：NOT SPECIFIED宽度：3 mm
Base Number Matches：1

LTC3026EDD-1#PBF 数据手册

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LTC3026  
1.5A Low Input Voltage  
VLDO Linear Regulator  
FeaTures  
DescripTion  
TheLTC®3026isaverylowdropout(VLDO™)linearregula-  
tor that can operate at input voltages down to 1.14V. The  
device is capable of supplying 1.5A of output current with  
a typical dropout voltage of only 100mV. To allow opera-  
tion at low input voltages the LTC3026 includes a boost  
converter that provides the necessary headroom for the  
internal LDO circuitry.  
n
Input Voltage Range:  
1.14V to 3.5V (with Boost Enabled)  
1.14V to 5.5V (with External 5V Boost)  
n
Low Dropout Voltage: 100mV at I  
= 1.5A  
OUT  
n
n
n
n
n
n
Adjustable Output Range: 0.4V to 2.6V  
Output Current: Up to 1.5A  
Excellent Supply Rejection Even Near Dropout  
Shutdown Disconnects Load from V and V  
IN  
BST  
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 sup-  
plied boost voltage can be used eliminating the need for  
an inductor altogether.  
Low Operating Current: I = 950µA at V = 1.5V  
IN  
IN  
Low Shutdown Current:  
I < 1µA (Typ), I = 0.1µA (Typ)  
IN  
BST  
n
n
n
n
Stable with 10µF or Greater Ceramic Capacitors  
Short-Circuit, Reverse Current Protected  
Overtemperature Protected  
Available in 10-Lead MSOP and 10-Lead  
(3mm × 3mm) DFN 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.  
applicaTions  
n
High Efficiency Linear Regulator  
n
Post Regulator for Switching Supplies  
n
Microprocessor Supply  
L, LT, LTC, LTM, Linear Technology, the Linear logo and Burst Mode are registered trademarks  
and ThinSOT, VLDO are trademarks 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  
Dropout Voltage vs Output Current  
150  
L1  
10µH  
SW  
BST  
5V BOOST  
CONVERTER  
4.7µF  
100  
IN  
0.4V  
1.2V  
1.5V  
2.0V  
2.6V  
V
IN  
= 1.5V  
4.7µF  
+
–
V
= 1.2V,  
OUT  
ADJ  
OUT  
50  
0
1.5A  
8.06k  
C
OUT  
10µF  
OFF ON  
SHDN  
LTC3026  
100k  
4.02k  
1.0  
1.5  
0
0.5  
GND  
PG  
I
(A)  
OUT  
3026 TA01a  
3026 TA01b  
L1: MURATA LQH2MCN100K02  
3026ff  
1
1234567...18

中文翻译

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