参数资料
型号: MAX894LESA
厂商: Maxim Integrated Products
文件页数: 2/8页
文件大小: 0K
描述: IC SW MOSFET DUAL P-CH W/SD8SOIC
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 100
类型: 高端开关
输出数: 2
Rds(开): 225 毫欧
内部开关:
电流限制: 500mA
输入电压: 2.7 V ~ 5.5 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 8-SOIC(0.154",3.90mm 宽)
供应商设备封装: 8-SOIC
包装: 管件
其它名称: Q1148883
Dual, Current-Limited, High-Side P-Channel
Switches with Thermal Shutdown
ABSOLUTE MAXIMUM RATINGS
IN to GND ...................................................................-0.3V to 6V
ONA , ONB to GND .....................................................-0.3V to 6V
SET A, SET B, OUT A, OUT B to GND ........-0.3V to (V IN + 0.3V)
Maximum Continuous Switch Current
MAX894L ..........................................................................0.75A
MAX895L ........................................................................0.375A
Continuous Power Dissipation (T A = +70°C)
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
CONDITION
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
MIN
2.7
TYP
18
0.0001
0.002
MAX
5.5
30
1
10
UNITS
V
μA
μA
μA
Undervoltage Lockout
On-Resistance
Rising edge, 1% hysteresis
V IN = 4.5V
V IN = 3.0V
MAX894L
MAX895L
MAX894L
MAX895L
2.0
2.4
120
250
150
300
2.6
225
420
300
500
V
m ?
Current-Limit-Amplifier Threshold
Maximum Output Current
V SET required to turn the switch off (Note 1)
MAX894L
MAX895L
1.178
1.240
500
250
1.302
V
mA
I OUT to I SET Current Ratio
V OUT > 1.6V
MAX894L, I OUT = 250mA
MAX895L, I OUT = 125mA
945
910
1085
1050
1270
1235
A/A
ONA, ONB Input Low Voltage
ONA, ONB Input High Voltage
V IN = 2.7V to 5.5V
V IN = 2.7V to 3.6V
V IN = 4.5V to 5.5V
2.0
2.4
0.8
V
V
ONA, ONB Input Leakage
I SETA, I SETB Bias Current
Slow-Current-Loop Response Time
Fast-Current-Loop Response Time
Turn-On Time
Turn-Off Time
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
V IN = 5V, I OUT = 250mA (MAX894L), 125mA (MAX895L)
V IN = 3V, I OUT = 250mA (MAX894L), 125mA (MAX895L)
0.8
0.01
0.5
0.5
5
2
100
150
1.2
1
3
3
200
20
μA
μA
μs
μs
μs
μs
Note 1: Tested with I OUT = 50mA for the MAX894L and 25mA for the MAX895L, and V SET raised until V IN - V OUT ≥ 0.8V.
2
_______________________________________________________________________________________
相关PDF资料
PDF描述
MAX8952BEWE+T IC REG BUCK SYNC ADJ 2.5A 16WLP
MAX8969EWL35+T IC REG BOOST SYNC 3.5V 1A 9WLP
MAX8971EWP+T IC DCDC CHRGR LI+ 1CELL 20WLP
MAX8982MEWO+T IC PWR MGMT ICERA E400 42WLP
MB39A136PFT-G-JN-ERE1 IC REG CTRLR BUCK PWM CM 24TSSOP
相关代理商/技术参数
参数描述
MAX894LESA+ 功能描述:电源开关 IC - 配电 Current-Limited High-Side PCh Switch RoHS:否 制造商:Exar 输出端数量:1 开启电阻(最大值):85 mOhms 开启时间(最大值):400 us 关闭时间(最大值):20 us 工作电源电压:3.2 V to 6.5 V 电源电流(最大值): 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:SOT-23-5
MAX894LESA+T 功能描述:电源开关 IC - 配电 Current-Limited High-Side PCh Switch RoHS:否 制造商:Exar 输出端数量:1 开启电阻(最大值):85 mOhms 开启时间(最大值):400 us 关闭时间(最大值):20 us 工作电源电压:3.2 V to 6.5 V 电源电流(最大值): 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:SOT-23-5
MAX894LESA-T 功能描述:电源开关 IC - 配电 Current-Limited High-Side PCh Switch RoHS:否 制造商:Exar 输出端数量:1 开启电阻(最大值):85 mOhms 开启时间(最大值):400 us 关闭时间(最大值):20 us 工作电源电压:3.2 V to 6.5 V 电源电流(最大值): 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:SOT-23-5
MAX894LESA-TG116 制造商:Maxim Integrated Products 功能描述:CURRENT-LIMITED, HIGH-SIDE, P-CHANNEL DUAL SW - Bulk
MAX8951EVKIT+ 制造商:Maxim Integrated Products 功能描述:PWM STEP DOWN CONVERTER - Boxed Product (Development Kits)