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參數(shù)資料
| 型號(hào)： | STM86312 |
| 廠商： | 意法半導(dǎo)體 |
| 英文描述： | 1/4 TO 1/11-DUTY VFD CONTROLLER/DRIVER |
| 中文描述： | 1 / 4轉(zhuǎn)到1/11-DUTY變頻控制器/驅(qū)動(dòng)器 |
| 文件頁數(shù)： | 4/16頁 |
| 文件大?。?/td> | 434K |
| 代理商： | STM86312 |
STM86312
4/16
Table 4: Recommended Operating Conditions
Maximum power consumption P
MAX
= VFD driver dissipation + R
L
dissipation + LED driver dissipation +
dynamic power consumption.
Where segment current = 3 mA, grid current = 15 mA, and LED current = 20 mA,
VFD driver dissipation = number of segments x 6 + number of grids/(number of grids + 1) x 30 (mW)
R
L
dissipation = (V
DD
- V
EE
)
2
/50 x (segment + 1) (mW)
LED driver dissipation = number of LEDs x 20 (mW)
Dynamic power consumption = V
DD
x 5 (mW)
Example
Where V
EE
= -25 V, V
DD
= 5 V, and in 16-segment and 6-digit modes,
VFD driver dissipation = 16 x 6 + 6/7 x 30 = 122
R
L
dissipation = 30
2
/50 x 17 = 306
LED driver dissipation = 4 x 20 = 80
Dynamic power consumption = 5 x 5 = 25
Total 553 mW.
Table 5: Electrical Characteristics
(V
DD
= 4.5 to 5.5V, V
SS
= 0V, V
EE
= V
DD
- 35V, T
A
= -20 to 70°C,
unless otherwise noted. Typical values are at T
A
= 25°C)
Symbol
Parameter
Min
TYP
Max
Unit
V
DD
V
IH
V
IL
V
EE
Logic Supply Voltage
High Level Input Voltage
Low Level Input Voltage
Driver Supply Voltage
4.5
5
5.5
V
DD
V
V
V
V
0.7xV
DD
0
0
0.3xV
DD
V
DD
-35
Symbol
Parameter
Test Conditions
Value
Unit
Min.
Typ.
Max.
V
OH1
V
OL1
V
OL2
I
OH21
I
OH22
High Level Output Voltage
Low Level Output Voltage
Low Level Output Voltage
High Level Output Current
High Level Output Current
LED1-LED4, I
OH1
=-1mA
LED1-LED4, I
OL1
=20mA
D
OUT
, I
OL2
= 4mA
V
O
= V
DD
- 2V, Seg1 to Seg11
V
O
= V
DD
- 2V, Grid1 to Grid6,
Seg12/Grid11 to Seg16/Grid7
V
O
= V
DD
- 35V, driver off
Driver Output
V
I
= V
DD
or V
SS
0.9V
DD
V
V
V
1
0.4
-3
-15
mA
mA
I
OLEAK
R
L
I
I
V
IH
V
IL
V
HYS
I
DDdyn
Driver Leakage Current
Output Pull-Down Resistor
Input Current
High Level Input Voltage
Low Level Input Voltage
Hysteresis Voltage
Dynamic Current Consumption
-10
150
±1
μ
A
k
μA
V
V
V
mA
50
100
0.7V
DD
0.3V
DD
CLK, D
IN
, STB
Under no load, display off
0.35
5
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相關(guān)代理商/技術(shù)參數(shù) |
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|---|---|
| STM86312_06 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:1/4 to 1/11-duty VFD controller/driver |
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| STM870-STMBKCC10R | 制造商:Pass & Seymour/Legrand 功能描述:SIGNATURE 1P 15A MOMEMTARY SWITCH |
| STM870STMLACC10 | 制造商:Pass & Seymour/Legrand 功能描述:DISC - NO SUB |
| STM870-STMLACC10R | 制造商:Pass & Seymour/Legrand 功能描述:SIGNATURE 1P 15A MOMEMTARY SWITCH |
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