参数资料
型号: MIC2045-2YTS TR
厂商: Micrel Inc
文件页数: 4/15页
文件大小: 0K
描述: IC DISTRIBUTION SW SGL 16-TSSOP
标准包装: 2,500
类型: 高端开关
输出数: 1
Rds(开): 30 毫欧
内部开关:
电流限制: 可调
输入电压: 0.8 V ~ 5.5 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 16-TSSOP(0.173",4.40mm 宽)
供应商设备封装: 16-TSSOP
包装: 带卷 (TR)
其它名称: MIC2045-2YTSTR
MIC2045-2YTSTR-ND
MIC2044/2045
Absolute Maximum Ratings (Note 1)
V IN and V BIAS .................................................................................. 6V
/FAULT, PWRGD Output Voltage ................................... 6V
/FAULT, PWRGD Output Current .............................. 25mA
ESD Rating, Note 3
Human Body Model ................................................... 2kV
Machine Model ........................................................ 200V
Micrel
Operating Ratings (Note 2)
Supply Voltage
V IN ............................................................... 0.8V to 5.5V
V BIAS ........................................................... 1.6V to 5.5V
Continuous Output Current ................................... 1A to 6A
Ambient Temperature (T A ) ........................... –40 ° C to 85 ° C
Package Thermal Resistance ( R θ (J-A) )
TSSOP ................................................................ 85 ° C/W
Electrical Characteristics (Note 4)
V IN = V BIAS = 5V, T A = 25 ° C unless specified otherwise. Bold indicates –40 ° C to +85 ° C.
Symbol
V IN
V BIAS
I BIAS
Parameter
Switch Input Voltage
Bias Supply Voltage
V BIAS Supply Current - Switch OFF
V BIAS Supply Current - Switch ON
Condition
V IN ≤ V BIAS
No load
No load
Min
0.8
1.6
Typ
0.1
300
Max
5.5
5.5
5
400
Units
V
V
μ A
μ A
Note 5
V EN
Enable Input Voltage
V IL(max)
V IH(min)
3.5
2.4
2.5
1.5
V
V
V ENHYST
Enable Input Threshold Hysteresis
100
mV
I EN
R DS(ON)
Enable Input Current
Switch Resistance
V EN = 0V to 5.5V
V IN = V BIAS = 3V, 5V
–1
.01
20
1
30
μ A
m ?
I OUT = 500mA
I LEAK
Output Leakage Current
Output off
10
μ A
CLF
Current Limit Factor
V IN = 3V, 5V, 0.5V ≤ V OUT < 0.5V IN
300
380
460
A? ?
Note 6
1A ≤ I OUT ≤ 6A
V TH
V LATCH
PGREF Threshold
Output Reset Threshold
V IN = V BIAS = 1.6V to 5.5V
V IN = 0.8V to 5.5V
215
230
V IN –.0.2
245
mV
V
V OUT rising (MIC2045)
I LATCH
V OL
Latched Output Off Current
Output Low Voltage
Output latched off (MIC2045)
I OL (/FAULT) = 15mA
1
3
5
0.4
mA
V
(/FAULT, PWRGD)
I OL (PWRGD) = 5mA
I OFF
/FAULT, PWRGD Off Current
V FAULT = V PWRGD = 5V
1
μ A
V UV
Undervoltage Lockout Threshold
V IN rising
V IN falling
1.30
1.20
1.45
1.35
1.58
1.50
V
V
V UVHYST
Undervoltage Lockout
100
mV
Threshold Hysteresis
V UVINTH
UVLO Adjust Pin Threshold Voltage
V IN rising
V IN falling
200
185
230
215
260
245
mV
mV
V UVINHYST
UVLO Adjust Pin Threshold Hysteresis
15
mV
Overtemperature Threshold
MIC2044/2045
T J increasing
T J decreasing
4
140
120
° C
° C
January 2005
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