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參數(shù)資料
| 型號： | MAX6978 |
| 廠商： | Maxim Integrated Products, Inc. |
| 元件分類： | LED驅(qū)動器 |
| 英文描述： | 8-Port, 5.5V Constant-Current LED Driver with LED Fault Detection and Watchdog |
| 中文描述： | 8端口、5.5V恒流LED驅(qū)動器，帶有LED故障檢測和看門狗 |
| 文件頁數(shù)： | 2/13頁 |
| 文件大?。?/td> | 327K |
| 代理商： | MAX6978 |
M
8-Port, 5.5V Constant-Current LED Driver with
LED Fault Detection and Watchdog
2
_______________________________________________________________________________________
ABSOLUTE MAXIMUM RATINGS
Voltage (with respect to GND)
V+ ............................................................................-0.3V to +6V
OUT_ .......................................................................-0.3V to +6V
DIN, CLK, LE,
OE
, SET ................................-0.3V to (V+ + 0.3V)
DOUT Current ..................................................................±10mA
OUT_ Sink Current .............................................................60mA
Total GND Current ...........................................................480mA
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional
operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to
absolute maximum rating conditions for extended periods may affect device reliability.
ELECTRICAL CHARACTERISTICS
(
Typical Operating Circuit
, V+ = 3V to 5.5V, T
A
= T
MIN
to T
MAX
, unless otherwise noted. Typical values are at V+ = 5V, T
A
= +25°C.)
(Note 1)
Continuous Power Dissipation
16-Pin SSOP (derate 7.1mW/°C over T
A
= +70°C).......571mW
16-Pin PDIP (derate 10.5mW/°C over T
A
= +70°C) ......842mW
16-Pin TSSOP (derate 21.3mW/°C over
T
A
= +70°C) ..............................................................1702mW
Operating Temperature Range .........................-40°C to +125°C
Junction Temperature......................................................+150°C
Storage Temperature Range.............................-65°C to +150°C
Lead Temperature (soldering, 10s).................................+300°C
PARAMETER
SYMBOL
V+
V
OUT
CONDITIONS
MIN
3.0
TYP
MAX
5.5
5.5
UNITS
V
V
Operating Supply Voltage
Output Voltage
Standby Current
(Interface Idle, All Output Ports
High Impedance, R
SET
= 360
)
Standby Current
(Interface Running, All Output
Ports High Impedance,
R
SET
= 360
)
Supply Current
(Interface Idle, All Output Ports
Active Low, R
SET
= 360
)
Input High Voltage
DIN, CLK, LE,
OE
I
+
All logic inputs at V+ or GND, DOUT
unloaded
4.5
5.6
mA
I
+
f
CLK
= 5MHz,
OE
= V+, DIN and LE = V+
or GND, DOUT unloaded
4.7
6
mA
I
+
All logic inputs at V+ or GND,
DOUT unloaded
10
25
mA
V
IH
0.7 V+
V
Input Low Voltage
DIN, CLK, LE,
OE
V
IL
0.3 V+
V
Hysteresis Voltage
DIN, CLK, LE,
OE
V
I
0.8
V
Input Leakage Current
DIN, CLK, LE,
OE
I
IH
, I
IL
-1
+1
μA
Output-High Voltage DOUT
V
OH
I
SOURCE
= 4mA
V +
- 0.5V
V
Output Low Voltage
V
OL
I
SINK
= 4mA
0.5
V
Output Current
OUT_
I
OUT
V+ = 3V to 5.5V, V
OUT
= 0.8V to 2.5V,
R
SET
= 360
OE
= V+, V
OUT
= V+
42
50
56
mA
Output Leakage Current OUT_
Watchdog Timeout
I
LEAK
t
WD
1
μA
s
1
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| MAX6978AUE | 8-Port, 5.5V Constant-Current LED Driver with LED Fault Detection and Watchdog |
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相關(guān)代理商/技術(shù)參數(shù) |
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| MAX6978AAE | 功能描述:LED顯示驅(qū)動器 RoHS:否 制造商:Micrel 數(shù)位數(shù)量:5 片段數(shù)量: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:PLCC-44 工作電源電壓:4.75 V to 11 V 最大電源電流:10 mA 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝:Tube |
| MAX6978AAE-T | 功能描述:LED顯示驅(qū)動器 RoHS:否 制造商:Micrel 數(shù)位數(shù)量:5 片段數(shù)量: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:PLCC-44 工作電源電壓:4.75 V to 11 V 最大電源電流:10 mA 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝:Tube |
| MAX6978AEE | 制造商:Maxim Integrated Products 功能描述:8-PORT, 5.5V CONSTANT-CURRENT LED DRIVER WITH - Rail/Tube |
| MAX6978APE | 功能描述:LED照明驅(qū)動器 8-Port 5.5V Constant Current LED Driver RoHS:否 制造商:STMicroelectronics 輸入電壓:11.5 V to 23 V 工作頻率: 最大電源電流:1.7 mA 輸出電流: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SO-16N |
| MAX6978APE+ | 功能描述:LED顯示驅(qū)動器 Integrated Circuits (ICs) RoHS:否 制造商:Micrel 數(shù)位數(shù)量:5 片段數(shù)量: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:PLCC-44 工作電源電壓:4.75 V to 11 V 最大電源電流:10 mA 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝:Tube |
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