參數(shù)資料
型號(hào): MIC2010-1CQS
廠商: MICREL INC
元件分類(lèi): 電源管理
英文描述: 2-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO16
封裝: QSOP-16
文件頁(yè)數(shù): 8/13頁(yè)
文件大?。?/td> 383K
代理商: MIC2010-1CQS
MIC2010/2070
Micrel
MIC2010/2070
4
November 29, 2001
Absolute Maximum Ratings (Note 1, Note 4)
Supply Voltage (V
IN) ........................................ –0.3V to 6V
FAULT#, OUT1, OUT2 Output Pins ................. –0.3V to 6V
FAULT1,FAULT2, Output Current .............................. 25mA
ESD Rating, Note 3 ...................................................... 2kV
Operating Ratings (Note 2)
Supply Voltage (V
MAIN, VAUX) ..................... +4.5V to +5.5V
Continuous Output Current (AUX Mode) .. 50mA to 300mA
Ambient Temperature (T
A) ........................... –0°C to +70°C
Junction Temperature (T
J) ....................... Internally Limited
Package Thermal Resistance
QSOP
JA) ........................................................ 163°C/W
Electrical Characteristics
V
MAIN = 5V; AUX = 5V; RSET = 125, TA = 25°C.
Symbol
Parameter
Condition
Min
Typ
Max
Units
V
MAIN
MAIN Supply Voltage
4.5
5.0
5.5
V
I
MAIN
MAIN Supply Current
S3# = 1, both switches ON, no load
16
22
A
Note 5
S3# = 1, both switches OFF, no load
5
A
I
LEAK
MAIN Reverse Leakage Current,
S3# = 0, both switches ON, V
MAIN = 0V
–10
+10
A
Note 5
V
AUX
AUX Supply Voltage
4.5
5.0
5.5
V
I
AUX
AUX Supply Current, Note 5
S3# = 0; No load, both switches ON
.6
1
mA
S3# = 0; No load, both switches OFF
5
A
V
UV/AUX
AUX Undervoltage Lockout
V
AUX increasing
3.5
3.7
4.0
V
Threshold
V
AUX decreasing
3.3
3.5
3.8
V
HYS
AUX Undervoltage Lockout
200
mV
Hysteresis
R
DSMAIN
MAIN On-Resistance, Each Output
S3# = 1, I
OUT = 500mA
100
140
m
R
DSAUX
AUX On-Resistance, Each Output
S3# = 0, I
OUT = 100mA
500
700
m
I
LIMIT
MAIN Current-Limit Threshold,
S3# = 1, V
OUT = 4.0V, ramped load
0.5
1.25
A
MAIN Short-Circuit Current-Limit
V
OUT = 0V
0.5
1.25
A
Current-Limit Factor (AUX Supply),
S3# = 0, I
OUT = 50mA to 300mA
14.4
18
21.6
A
Note 6
V
OUT = 4V
V
TH
S3#, EN1, EN2
High-to-Low transition
.8
1.5
V
Input Threshold Voltage
Low-to-High transition
1.7
2.0
V
I
IN
S3#, EN1, EN2 Input Current
V
S3/EN =5V, 0V
–11
A
V
HYS
EN1, EN2 and S3# Input Hysteresis
200
mV
I
OFF
OUT1, 2 Leakage Current
Outputs are off, V
OUT = 0
–10
10
A
Pull-Up Current During Latched
Outputs latched off
TBD
1
TBD
mA
Output State (MIC2070-x only)
V
TH LATCH
Latch Reset Threshold
V
OUT rising
1.95
V
Minimum Output Slew Rate
Output rising
.4
V/s
to Reset Latch (MIC2070-x only),
Note 7
Overtemperature Threshold
T
J increasing, single channel
140
°C
T
J decreasing, single channel
120
°C
T
J increasing, both channels
160
°C
T
J decreasing, both channels
125
°C
V
OL
FAULT1, 2 Output Low Voltage
I
FAULT = 5mA
0.2
V
FAULT1, 2 Output Off Current
V
FAULT = 5V
0.2
10
A
(Not Applicable for 'P' versions)
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