SO (derate 5.88mW/°C above +70°C) .......................471mW
Operating Temperature Range
MAX89_LESA .................................................-40°C to +85°C
Storage Temperature Range ...............................-65°C to+150°C
Lead Temperature (soldering, 10sec) ..............................+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
IN
= 3V,
T
A
= 0°C to +85°C,
unless otherwise noted. Typical values are at T
A
= +25°C.)
PARAMETER
Operating Voltage
Quiescent Current
Off-Supply Current
Off-Switch Current
Undervoltage Lockout
V
IN
= 5V,
ONA
=
ONB
= GND, I
OUT A
= I
OUT B
= 0
ONA
=
ONB
= IN, V
IN
= V
OUT A
= V
OUT B
= 5.5V
ONA
=
ONB
= IN, V
IN
= 5.5V, V
OUT A
= V
OUT B
= 0
Rising edge, 1% hysteresis
V
IN
= 4.5V
On-Resistance
V
IN
= 3.0V
Current-Limit-Amplifier Threshold
Maximum Output Current
I
OUT
to I
SET
Current Ratio
ONA, ONB
Input Low Voltage
ONA, ONB
Input High Voltage
ONA, ONB
Input Leakage
MAX894L
MAX895L
MAX894L
MAX895L
1.178
2.0
CONDITION
MIN
2.7
18
0.0001
0.002
2.4
120
250
150
300
1.240
500
250
MAX894L, I
OUT
= 250mA
MAX895L, I
OUT
= 125mA
945
910
2.0
2.4
0.01
0.5
0.5
5
2
V
IN
= 5V, I
OUT
= 250mA (MAX894L), 125mA (MAX895L)
V
IN
= 3V, I
OUT
= 250mA (MAX894L), 125mA (MAX895L)
0.8
100
150
1.2
20
200
1
3
µA
3
µs
µs
µs
µs
1085
1050
1270
1235
0.8
TYP
MAX
5.5
30
1
10
2.6
225
420
300
500
1.302
V
mA
A/A
V
V
µA
mΩ
UNITS
V
µA
µA
µA
V
V
SET
required to turn the switch off (Note 1)
MAX894L
MAX895L
V
OUT
> 1.6V
V
IN
= 2.7V to 5.5V
V
IN
= 2.7V to 3.6V
V
IN
= 4.5V to 5.5V
V
ONA
= V
ONB
= 5.5V
V
SET A
= 1.4V,
ONA
= 0,
ONB
= V
IN
, I
OUT A
= 0,
V
IN
= V
OUT
V
SET B
= 1.4V,
ONB
= 0,
ONA
= V
IN
, I
OUT B
= 0,
V
IN
= V
OUT
20% current overdrive, V
CC
= 5V
I
SETA,
I
SETB
Bias Current
Slow-Current-Loop Response Time
Fast-Current-Loop Response Time
Turn-On Time
Turn-Off Time
Note 1:
Tested with I
OUT
= 50mA for the MAX894L and 25mA for the MAX895L, and V
便携式数字数据采集系统(PDDAS)使用了LabVIEW实时模块和PXI,以控制风洞测试和采集记录来自128个不同通道的空气压力数据 "通过LabVIEW实时模块,可以在各种操作情况下获得采集空气压力数据及向风洞提供反馈控制信号所需的确定性响应时间。" – Dave Scheibenhoffer, G Systems 挑战: 用一个可采集、分析和存储来自下一代喷气式战斗机引擎设计的动...[详细]
白光LED光衰原因之荧光粉性能的衰退 到目前,白光 LED、尤其是小功率白光 LED 的发光性能快速衰退已越来越为人们所认识。其实,盲目地夸大宣传,只能将 LED 行业引向歧途,不正视白光 LED 存在的问题,只能延缓白光 LED 应用的发展。只有正视问题、研究问题、尽早解决问题,白光 LED 才能健康、快速发展。 白光 LED 当前面临的一个主要问题就寿命问题。由于白光 LED 的价格尚很...[详细]
为了在产品众多、竞争激烈的市场上使产品与众不同,手持设备的制造商们往往把电池寿命和电源管理作为手机、PDA、多媒体播放器、游戏机、其它便携式消费类设备等产品的关键卖点来考虑。用户是从电池寿命这方面来看待电源管理的成效,其实它是多种因素共同作用的结果,这些因素包括 CPU 功能、系统软件、中间件,以及使用户可以在更长的充电或更换电池的间隔时间内享用各自设备的策略。 电源管理范围 任...[详细]
从全球来看,智能电视在设备互联接口、内容服务接口、应用程序开发接口、系统安全可信技术等方面的标准尚未统一,厂商采用不同的操作系统和内容接口,各自的应用互不兼容,对产业整体发展造成障碍,在应用丰富度上也很欠缺。近日国内一些家电厂商主办智能电视开发论坛,力图吸引更多的开发者参与进来,从这一点来看,目前还是家电厂商较为主动地在推动智能电视标准化以及各类应用的开发。 TV OS成产业角逐焦点 ...[详细]