參數(shù)資料
型號： MIC2045-2BTS
廠商： MICREL INC
元件分類： 電源管理
英文描述： SINGLE CHANNEL HIGH CURRENT LOW VOLTAGE, PROTECTED POWER DISTRIBUTION SWITCH
中文描述： 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO16
封裝： TSSOP-16
文件頁數(shù)： 4/15頁
文件大小： 269K
代理商： MIC2045-2BTS
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
MIC2044/2045
4
October 2003
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
Parameter
Condition
Min
Typ
Max
Units
V
IN
V
BIAS
I
BIAS
Switch Input Voltage
V
IN
≤
V
BIAS
0.8
5.5
V
Bias Supply Voltage
1.6
5.5
V
V
BIAS
Supply Current - Switch OFF
V
BIAS
Supply Current - Switch ON
Note 5
No load
No load
0.1
300
5
μ
A
μ
A
400
V
EN
Enable Input Voltage
V
IL(max)
V
IH(min)
2.4
1.5
V
3.5
2.5
V
V
ENHYST
I
EN
R
DS(ON)
Enable Input Threshold Hysteresis
100
mV
Enable Input Current
V
EN
= 0V to 5.5V
V
IN
= V
BIAS
= 3V, 5V
I
OUT
= 500mA
Output off
–1
.01
1
μ
A
Switch Resistance
20
30
m
I
LEAK
CLF
Output Leakage Current
10
μ
A
Current Limit Factor
Note 6
V
IN
= 3V, 5V, 0.5V
≤
V
OUT
< 0.5V
IN
1A
≤
I
OUT
≤
6A
V
IN
= V
BIAS
= 1.6V to 5.5V
V
IN
= 0.8V to 5.5V
V
OUT
rising (MIC2045)
Output latched off (MIC2045)
300
380
460
A
V
TH
V
LATCH
PGREF Threshold
215
230
245
mV
Output Reset Threshold
V
IN
–
.0.2
V
I
LATCH
V
OL
Latched Output Off Current
1
3
5
mA
Output Low Voltage
(/FAULT, PWRGD)
I
OL
(/FAULT) = 15mA
I
OL
(PWRGD) = 5mA
V
FAULT
= V
PWRGD
= 5V
V
IN
rising
V
IN
falling
0.4
V
I
OFF
V
UV
/FAULT, PWRGD Off Current
1
μ
A
Undervoltage Lockout Threshold
1.30
1.20
1.45
1.35
1.58
1.50
V
V
V
UVHYST
Undervoltage Lockout
Threshold Hysteresis
100
mV
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
T
J
increasing
T
J
decreasing
140
120
°
C
°
C
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