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LT3070EUFD#TRPBF

更新时间： 2024-11-09 21:13:51
品牌 Logo 应用领域
凌特 - Linear 输出元件调节器
页数 文件大小 规格书
30页 833K
描述
LT3070 - 5A, Low Noise, Programmable Output, 85mV Dropout Linear Regulator; Package: QFN; Pins: 28; Temperature Range: -40°C to 85°C

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LT3070EUFD#TRPBF 技术参数

是否Rohs认证： 符合生命周期：Transferred
零件包装代码：QFN包装说明：HVQCCN, LCC28,.16X.2,20
针数：28Reach Compliance Code：compliant
ECCN代码：EAR99HTS代码：8542.39.00.01
风险等级：5.11可调性：ADJUSTABLE
最大回动电压 1：0.15 V标称回动电压 1：0.085 V
JESD-30 代码：R-PQCC-N28JESD-609代码：e3
长度：5 mm最大电网调整率 (%/V)：0.0026
最大负载调整率 (%)：2.2%湿度敏感等级：1
功能数量：1输出次数：1
端子数量：28工作温度TJ-Max：125 °C
工作温度TJ-Min：-40 °C最大输出电流 1：5 A
最大输出电压 1：1.8 V最小输出电压 1：0.8 V
封装主体材料：PLASTIC/EPOXY封装代码：HVQCCN
封装等效代码：LCC28,.16X.2,20封装形状：RECTANGULAR
封装形式：CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE包装方法：TR
峰值回流温度（摄氏度）：260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：BIPOLAR端子面层：Matte Tin (Sn)
端子形式：NO LEAD端子节距：0.5 mm
端子位置：QUAD处于峰值回流温度下的最长时间：30
宽度：4 mmBase Number Matches：1

LT3070EUFD#TRPBF 数据手册

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LT3070  
5A, Low Noise,  
Programmable Output,  
85mV Dropout  
Linear Regulator  
FEATURES  
DESCRIPTION  
The LT®3070 is a low voltage, UltraFast™ transient re-  
sponse linear regulator. The device supplies up to 5A of  
output current with a typical dropout voltage of 85mV.  
A 0.01µF reference bypass capacitor decreases output  
n
Output Current: 5A  
Dropout Voltage: 85mV Typical  
Digitally Programmable V : 0.8V to 1.8V  
Digital Output Margining: 1ꢀ, ꢁꢀ or 5ꢀ  
Low Output Noise: 25µV  
Parallel Multiple Devices for 10A or More  
Precision Current Limit: 20ꢀ  
1ꢀ Accuracy Over Line, Load and Temperature  
Stable with Low ESR Ceramic Output Capacitors  
(15µF Minimum)  
High Frequency PSRR: 30dB at 1MHz  
Enable Function Turns Output On/Off  
VIOC Pin Controls Buck Converter to Maintain Low  
Power Dissipation and Optimize Efficiency  
PWRGD/UVLO/Thermal Shutdown Flag  
Current Limit with Foldback Protection  
Thermal Shutdown  
n
n
OUT  
n
n
voltage noise to 25µV  
. The LT3070’s high bandwidth  
(10Hz to 100kHz)  
RMS  
RMS  
n
n
n
n
permits the use of low ESR ceramic capacitors, saving  
bulk capacitance and cost. The LT3070’s features make  
it ideal for high performance FPGAs, microprocessors or  
sensitive communication supply applications.  
Output voltage is digitally selectable in 50mV increments  
over a 0.8V to 1.8V range. A margining function allows  
the user to adjust system output voltage in increments of  
1ꢀ, 3ꢀ or 5ꢀ. The IC incorporates a unique tracking  
functiontocontrolabuckregulatorpoweringtheLT3070’s  
input. This tracking function drives the buck regulator to  
n
n
n
n
n
n
n
maintain the LT3070’s input voltage to V  
minimizing power dissipation.  
+ 300mV,  
OUT  
28-Lead (4mm × 5mm × 0.75mm) QFN Package  
InternalprotectionincludesUVLO,reverse-currentprotec-  
tion, precision current limiting with power foldback and  
thermal shutdown. The LT3070 regulator is available in a  
thermally enhanced 28-lead, 4mm × 5mm QFN package.  
L, LT, LTC, LTM, Linear Technology and the Linear logo are registered trademarks and  
UltraFast and VLDO are trademarks of Linear Technology Corporation. All other trademarks are  
the property of their respective owners. Patents pending.  
APPLICATIONS  
n
FPGA and DSP Supplies  
ASIC and Microprocessor Supplies  
Servers and Storage Devices  
Post Buck Regulation and Supply Isolation  
n
n
n
TYPICAL APPLICATION  
Dropout Voltage  
0.9V, 5A Regulator  
150  
V
= V  
OUT(NOMINAL)  
IN  
50k  
V
BIAS  
2.2V TO 3.6V  
PWRGD  
2.2µF  
120  
90  
60  
30  
0
BIAS  
V
IN  
1.2V  
IN  
EN  
V
PWRGD  
SENSE  
330µF  
V
0.9V  
5A  
OUT  
V
= 1.8V  
= 3.3V  
OUT  
LT3070  
OUT  
O0  
V
BIAS  
2.2µF*  
4.7µF*  
10µF*  
V
O1  
V
O2  
V
V
= 0.8V  
= 2.5V  
OUT  
BIAS  
*X5R OR X7R CAPACITORS  
MARGSEL  
MARGTOL  
VIOC  
REF/BYP  
GND  
1nF  
0.01µF  
0
1
2
3
4
5
3070 TA01a  
OUTPUT CURRENT (A)  
3070 TA01b  
3070fc  
1
For more information www.linear.com/LT3070  
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LT3070EUFD#TRPBF 替代型号

型号 品牌 替代类型 描述 数据表
LT3070EUFD#PBF Linear

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 LT3070 - 5A, Low Noise, Programmable Output, 85mV Dropout Linear Regulator; Package: QFN;

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