参数资料
型号: LTC4151IDD#TRPBF
厂商: Linear Technology
文件页数: 14/18页
文件大小: 435K
描述: IC CURRENT MONITOR(12BIT) 10DFN
标准包装: 2,500
功能: 电流监控器(12 位)
检测方法: 高端
精确度: ±1%
输入电压: 7 V ~ 80 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 10-WFDFN 裸露焊盘
供应商设备封装: 10-DFN(3x3)
包装: 带卷 (TR)
LTC4151
14
4151ff
For more information www.linear.com/LTC4151
Typical applicaTion
LTC4151
SCL
V
IN
48V
V
IN
SENSE
+
SENSE

0.2
I
2
C
SDA
ADR1
ADR0
ADIN
40.2k
1%
100k AT 25癈
1%
1.5k
1%
VISHAY
2381 615 4.104
250mA
LOAD
GND
4151 TA02
Temperature Monitoring with an NTC Thermistor While
Measuring Load Current and LTC4151 Supply Current
T(癈) = 58.82 " (N
ADIN
/N
VIN
  0.1066), 20癈 < T < 60癈.
N
ADIN
 AND N
VIN
 ARE DIGITAL CODES MEASURED BY THE
ADC AT THE ADIN AND V
IN
 PINS, RESPECTIVELY.
LTC4151-1 Monitors Current and Input Voltage of a 48V System and Interfaces with
a Microcontroller (1.5kHz Data Rate of I
2
C is Limited by Slew Rate of Opto-Isolators)
4151 TA04
3.3V
R
S
0.02
?CONTROLLER
GND
LTC4151-1
SCL
SCL
RTN
48V
V
IN
V
DD
V
ADIN
SDAI
ADIN
ADR1
R5
0.51k
R6
10k
R7
10k
R4
0.51k
R1
20k
R2
20k
R3
5.1k
1
8
2
7
3
6
4
5
8
1
7
2
6
3
5
4
SDA
ADR0
GND
SENSE
+
SENSE

SDA0
MOCD207M
MOCD207M
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