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参数资料
| 型号： | MAX6946ATE+ |
| 厂商： | Maxim Integrated |
| 文件页数： | 2/24页 |
| 文件大小： | 0K |
| 描述： | IC LED DRIVER LINEAR 16-TQFN |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 100 |
| 恒定电流： | 是 |
| 拓扑： | 开路漏极，PWM |
| 输出数： | 10 |
| 内部驱动器： | 是 |
| 类型 - 主要： | 背光 |
| 类型 - 次要： | RGB，白色 LED |
| 频率： | 400kHz |
| 电源电压： | 2.25 V ~ 3.6 V |
| 输出电压： | 7V |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 16-WFQFN 裸露焊盘 |
| 供应商设备封装： | 16-TQFN（3x3） |
| 包装： | 管件 |
| 工作温度： | -40°C ~ 125°C |
10-Port, Constant-Current LED Driver and
I/O Expander with PWM Intensity Control
ABSOLUTE MAXIMUM RATINGS
VDD to GND .............................................................-0.3V to +4V
SCL, SDA, AD0, RST , OSC to GND .........................-0.3V to +6V
P0 to P9 to GND .......................................................-0.3V to +8V
DC Current into P0 to P9 ....................................................24mA
DC Current into SDA ...........................................................10mA
RST Sink Current.................................................................10mA
Total GND Current ............................................................280mA
Continuous Power Dissipation (T A = +70°C)
16-Pin TQFN (derate 14.7mW/°C over +70°C) ..........1176mW
16-Bump WLP (derate 13.3mW/°C over +70°C)........1066mW
Operating Temperature Range (T MIN , T MAX ) ....-40°C to +125°C
Junction Temperature ......................................................+150°C
Storage Temperature Range .............................-65°C to +150°C
Lead Temperature (soldering, 10s) .................................+300°C
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
(V DD = 2.25V to 3.6V, T A = T MIN to T MAX , unless otherwise noted. Typical values are at V DD = 3.3V, T A = +25°C.) (Note 1)
PARAMETER
Operating Supply Voltage
SYMBOL
V DD
CONDITIONS
MIN
2.25
TYP
MAX
3.60
UNITS
V
Output Load External Supply
Voltage P0–P9
V EXT
7
V
Power-On-Reset Voltage
V POR
V DD rising
1.91
V
Power-On-Reset Voltage Hysteresis
Standby Current Interface Idle
(PWM Disabled, All Ports High
Impedance)
Standby Current in Reset
(PWM Disabled, All Ports High
Impedance)
PORHYS
I STBY
I RST
16-pin TQFN
16-bump WLP
RST at VDD;
f SCL = 0Hz; other digital
inputs at VDD or GND
RST at GND; f SCL =
400kHz; other digital
inputs at VDD or GND
T A = +25°C
T A = T MIN to +85°C
T A = T MIN to T MAX
T A = +25°C
T A = T MIN to +85°C
T A = T MIN to T MAX
33
1.0
17
128
1.3
1.3
1.5
23
24
25
mV
μA
μA
Supply Current Interface Active
(Reset Run Enabled, PWM
Disabled, All Ports High
Impedance)
I DD
f SCL = 400kHz; other
digital inputs at VDD or
GND
T A = +25°C
T A = T MIN to +85°C
T A = T MIN to T MAX
50
60
62
65
μA
One port set to 10mA
constant current; all other
T A = +25°C
1.58
1.8
Δ I DD10
ports' output registers set
to 0x00, 0x01, or 0xFF;
T A = T MIN to +85°C
1.9
digital inputs at VDD or
Delta Supply Current Interface Idle
GND
T A = T MIN to T MAX
2.0
mA
One port set to 20mA
constant current; all other
T A = +25°C
3.2
3.6
Δ I DD20
ports' output registers set
to 0x00, 0x01, or 0xFF;
T A = T MIN to +85°C
3.8
digital inputs at VDD or
GND
T A = T MIN to T MAX
4.0
2
_______________________________________________________________________________________
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