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LTC2970IUFD-1#TRPBF PDF预览

LTC2970IUFD-1#TRPBF

更新时间: 2024-02-26 22:37:54
品牌 Logo 应用领域
凌特 - Linear /
页数 文件大小 规格书
38页 763K
描述
LTC2970 - Dual I<sup>2</sup>C Power Supply Monitor and Margining Controller; Package: QFN; Pins: 24; Temperature Range: -40&deg;C to 85&deg;C

LTC2970IUFD-1#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, LCC24,.16X.2,20
针数:24Reach Compliance Code:compliant
ECCN代码:EAR99HTS代码:8542.39.00.01
风险等级:5.11其他特性:SEATED HT-CALCULATED
可调阈值:YES模拟集成电路 - 其他类型:POWER SUPPLY MANAGEMENT CIRCUIT
JESD-30 代码:R-PQCC-N24JESD-609代码:e3
长度:5 mm湿度敏感等级:1
信道数量:2功能数量:1
端子数量:24最高工作温度:85 °C
最低工作温度:-40 °C封装主体材料:PLASTIC/EPOXY
封装代码:HVQCCN封装等效代码:LCC24,.16X.2,20
封装形状:RECTANGULAR封装形式:CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE
峰值回流温度(摄氏度):260电源:5 V
认证状态:Not Qualified座面最大高度:0.8 mm
子类别:Power Management Circuits最大供电电流 (Isup):5 mA
最大供电电压 (Vsup):5.75 V最小供电电压 (Vsup):4.5 V
标称供电电压 (Vsup):5 V表面贴装:YES
技术:CMOS温度等级:INDUSTRIAL
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 mm
Base Number Matches:1

LTC2970IUFD-1#TRPBF 数据手册

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LTC2970/LTC2970-1  
2
Dual I C Power  
Supply Monitor and  
Margining Controller  
FeaTures  
DescripTion  
TheLTC®2970isadualpowersupplymonitorandmargin-  
n
Less Than ±±0.5 Total Unadjusted Error 14-Bit DΣ  
2
ingcontrollerwithanSMBuscompatibleI Cbusinterface.  
ADC with On-Chip Reference  
n
A low-drift, on-chip reference and 14-bit ΔΣ A/D converter  
allow precise measurements of supply voltages, load  
currents or internal die temperature. Fault management  
allows ALERT to be asserted for configurable overvoltage  
and undervoltage fault conditions. Two voltage buffered,  
8-bit IDACs allow highly accurate programming of DC/DC  
converter output voltages. The IDACs can be configured  
to automatically servo the power supplies to the desired  
voltages using the ADC. The LTC2970-1 adds a tracking  
feature that can be used to turn multiple power supplies  
on or off in a controlled manner.  
Dual, 8-Bit IDACs with 1x Voltage Buffers  
n
Linear, Voltage Servo Adjusts Supply Voltages by  
Ramping IDAC Outputs Up/Down  
2
n
I C Bus Interface (SMBus Compatible)  
n
Extensive, User Configurable Fault Monitoring  
n
On-Chip Temperature Sensor  
n
Available in 24-Pin 4mm × 5mm QFN Package  
applicaTions  
n
Dual Power Supply Voltage Servo  
n
Monitoring Supply Voltage and Current  
The bus address is set to 1 of 9 possible combinations by  
pin strapping the ASEL0 and ASEL1 pins. The LTC2970/  
LTC2970-1 are packaged in a 24-pin, 4mm × 5mm QFN  
package.  
n
Programmable Power Supplies  
Programmable Reference  
n
L, LT, LTC, LTM, Linear Technology and the Linear logo are registered trademarks of Linear  
Technology Corporation. All other trademarks are the property of their respective owners.  
Typical applicaTion  
Dual Power Supply Monitor and Controller (One of Two Channels Shown)  
ADC Total Unadjusted Error  
vs Temperature  
8V TO 15V  
0.50  
0.25  
0
16 PARTS MOUNTED ON PCB  
0.1µF  
0.1µF  
12V  
IN  
V
V
DD  
IN  
OUT  
IN  
1/2 LTC2970  
GPIO_CFG  
I+  
I–  
V
V
V
IN0_BP  
IN0_BM  
OUT0  
ALERT  
SCL  
DC/DC  
2
I C BUS  
SMBUS  
COMPATIBLE  
CONVERTER  
–0.25  
SDA  
V
I
(
)
IN0_AP  
ADC VIN = 5V  
RUN/SS FB  
GPIO_0  
REF  
LOAD  
OUT0  
–0.50  
–50 –25  
0
25 50 75 100 125 150  
TEMPERATURE (°C)  
V
SGND  
GND  
IN0_AM  
29701 TA01b  
GND ASEL0 ASEL1  
0.1µF  
29701 TA01  
29701fe  
1
For more information www.linear.com/LTC2970  

LTC2970IUFD-1#TRPBF 替代型号

型号 品牌 替代类型 描述 数据表
LTC2970IUFD-1#PBF Linear

完全替代

LTC2970 - Dual I<sup>2</sup>C Power Supply Monitor and Margining Controller; P

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