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LTC3388EDD-3#PBF

更新时间： 2024-01-15 15:47:54
品牌 Logo 应用领域
凌特 - Linear 开关光电二极管输出元件
页数 文件大小 规格书
22页 364K
描述
LTC3388 - 20V High Efficiency Nanopower Step-Down Regulator; Package: DFN; Pins: 10; Temperature Range: -40°C to 85°C

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中文翻译

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LTC3388EDD-3#PBF 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：10Reach Compliance Code：compliant
风险等级：5.13其他特性：ALSO AVAILABLE 3, 3.3 AND 5V OUTPUT
模拟集成电路 - 其他类型：SWITCHING REGULATOR控制模式：CURRENT-MODE
控制技术：HYSTERETIC CURRENT MODE最大输入电压：20 V
最小输入电压：2.7 V标称输入电压：5.5 V
JESD-30 代码：S-PDSO-N10JESD-609代码：e3
长度：3 mm功能数量：1
端子数量：10最高工作温度：85 °C
最低工作温度：最大输出电流：0.21 A
标称输出电压：2.8 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
认证状态：Not Qualified座面最大高度：0.8 mm
表面贴装：YES切换器配置：BUCK
技术：CMOS温度等级：OTHER
端子面层：MATTE TIN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

LTC3388EDD-3#PBF 数据手册

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LTC3388-1/LTC3388-3  
20V High Efficiency  
Nanopower  
Step-Down Regulator  
FEATURES  
DESCRIPTION  
TheLTC®3388-1/LTC3388-3arehighefficiencystep-down  
DC/DCconverterswithinternalhighsideandsynchronous  
powerswitchesthatdrawonly720nAtypicalDCsupplycur-  
rentatnoloadwhilemaintainingoutputvoltageregulation.  
n
720nA Input I in Regulation (No Load), V = 4V  
Q
IN  
n
n
n
n
n
820nA Input I in Regulation (No Load), V = 20V  
Q
IN  
400nA Input I in UVLO  
Q
2.7V to 20V Input Operating Range  
Up to 50mA of Output Current  
Pin Selectable Output Voltages:  
Capableofsupplying50mAofloadcurrent,theLTC3388-1/  
LTC3388-3 also incorporate an accurate undervoltage  
lockout (UVLO) feature to disable the converter and main-  
tain a low quiescent current state when the input voltage  
fallsbelow2.3V. Inregulation, theLTC3388-1/LTC3388-3  
enter a sleep state in which both input and output quies-  
cent currents are minimal. The buck converter turns on  
and off as needed to maintain regulation. An additional  
standby mode disables buck switching while the output is  
in regulation for short duration loads requiring low ripple.  
n
1.2V, 1.5V, 1.8V, 2.5V (LTC3388-1)  
2.8V, 3.0V, 3.3V, 5.0V (LTC3388-3)  
High Efficiency Hysteretic Synchronous  
DC/DC Conversion  
Standby Mode Disables Buck Switching  
n
n
n
n
Available in 10-Lead MSE and 3mm × 3mm  
DFN Packages  
APPLICATIONS  
Output voltages of 1.2V, 1.5V, 1.8V, 2.5V (LTC3388-1)  
and2.8V,3.0V,3.3V,5.0V(LTC3388-3)arepinselectable.  
n
n
n
n
Keep Alive Power for Portable Products  
Industrial Control Supplies  
TheLTC3388-1/LTC3388-3canoperatewithV upto20V  
IN  
while the no load quiescent current remains below 1µA.  
L, LT, LTC, LTM, Linear Technology, the Linear logo and Burst Mode are registered trademarks  
of Linear Technology Corporation. All other trademarks are the property of their respective  
owners.  
Distributed Power Systems  
Battery-Operated Devices  
TYPICAL APPLICATION  
Efficiency vs Load Current  
50mA Step-Down Converter  
100  
V
= 1.8V, L = 100µH  
OUT  
2.7V TO 20V  
V
90  
80  
70  
60  
50  
40  
30  
20  
10  
0
IN  
1µF  
6V  
LTC3388-1/  
LTC3388-3  
100µH  
SW  
OUT  
V
OUT  
CAP  
2.2µF  
25V  
47µF  
6V  
V
V
IN2  
PGOOD  
D0, D1  
EN  
4.7µF  
6V  
2
OUTPUT  
VOLTAGE  
SELECT  
STBY  
GND  
338813 TA01a  
V
IN  
V
IN  
V
IN  
= 3.0V  
= 10V  
= 20V  
1µ  
10µ  
100µ  
1m  
10m  
LOAD CURRENT (A)  
338813 TA01b  
338813fa  
1
For more information www.linear.com/LTC3388  
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中文翻译

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LTC3388EDD-3#PBF 替代型号

型号 品牌 替代类型 描述 数据表
LTC3388EDD-3#TRPBF Linear

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