參數(shù)資料
型號: MIC2529-1BM
廠商: MICREL INC
元件分類: 電源管理
英文描述: CONNECTOR ACCESSORY
中文描述: 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO8
封裝: SOIC-8
文件頁數(shù): 3/11頁
文件大小: 138K
代理商: MIC2529-1BM
June 1999
3
MIC2529
MIC2529
Absolute Maximum Ratings
(Note 1)
Supply Voltage (V
IN
) .....................................................+6V
Fault Flag Voltage (V
FLG
)..............................................+6V
Fault Flag Current (I
FLG
) ............................................50mA
Switch Output Voltage (OUT)........................................+6V
Switch Output Current (I
OUT
) ................... Internally Limited
Switch Control Input (V
EN
) ........................... –0.3V to +12V
Regulator Control Input (V
3VEN
).................... –20V to +20V
Storage Temperature (T
S
) ....................... –65
°
C to +150
°
C
Lead Temperature (soldering 5 sec.) ........................ 260
°
C
Micrel
Electrical Characteristics
V
IN
= +5V; T
A
= 25
°
C; unless noted.
Parameter
Condition
Min
Typ
Max
Units
Supply Current
V
3VEN
= high, switch EN off,
Note 3
80
150
μ
A
V
3VEN
= high, switch EN on, OUT = open,
Note 3
160
300
μ
A
EN Input Threshold
low to high transition
high to low transition,
Note 3
2.1
1.9
2.4
V
V
0.8
Enable Input Current
V
EN
= 0 - 5.5V
0.01
μ
A
Enable Input Capacitance
1
pF
Switch Resistance
V
IN
= 5V; I
OUT
= 500mA
120
m
V
IN
= 3.3V; I
OUT
= 500mA
160
m
Output Turn-On Delay
R
L
= 10
R
L
= 10
R
L
= 10
R
L
= 10
0.25
ms
Output Turn-On Rise Time
3
ms
Output Turnoff Delay
1
20
μ
s
Output Turnoff Fall Time
1
20
μ
s
Output Leakage Current
10
μ
A
Continuous Load Current
FLG not active
0.5
A
Short Circuit Current Limit
enabled into load, V
OUT
= 0V
ramped load applied to enabled output, V
OUT
= 0V,
Note 4
T
J
increasing
T
J
decreasing
V
IN
= 5V, I
L
= 10mA
V
IN
= 3.3V, I
L
= 10mA
V
FLAG
= 5V
enable input logic-low voltage (regulator shutdown)
0.5
0.75
1.25
A
Current-Limit Threshold
0.95
1.50
A
Overtemperature Shutdown
Threshold
135
125
°
C
°
C
Error Flag Output Resistance
20
30
Error-Flag Off Current
0.01
1
μ
A
3VEN Input Threshold
0.4
V
enable input logic-high voltage (regulator enabled)
2.0
V
3VEN Input Current
V
IL
0.4V
V
IH
2.0V
0.01
–1
μ
A
5
20
μ
A
Operating Ratings
(Note 2)
Supply Voltage (V
IN
) ...................................... +3V to +5.5V
Ambient Temperature (T
A
)......................... –40
°
C to +85
°
C
Thermal Resistance
SOIC (
θ
JA
).........................................................160
°
C/W
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