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參數(shù)資料
| 型號： | MIC2204YMM |
| 廠商： | MICREL INC |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | High-Efficiency 2MHz Synchronous Buck Converter |
| 中文描述： | 2 A SWITCHING REGULATOR, 2200 kHz SWITCHING FREQ-MAX, PDSO10 |
| 封裝： | LEAD FREE, MSOP-10 |
| 文件頁數(shù)： | 3/11頁 |
| 文件大小： | 112K |
| 代理商： | MIC2204YMM |
January 2004
3
M0214-012904
MIC2204
Absolute Maximum Ratings
(1)
Supply Voltage (V
IN
) .......................................................6V
Output Switch Voltage (V
SW
) ..........................................6V
Logic Input Voltage (V
EN
, V
SYNC_IN
)............... V
IN
to
–
0.3V
Power Dissipation
(2)
Storage Temperature (T
S
) .......................
–
65
°
C to +150
°
C
Micrel
Operating Ratings
(3)
Supply Voltage (V
IN
) ................................... +2.3V to +5.5V
Junction Temperature (T
J
) ................
–
40
°
C
≤
T
J
≤
+125
°
C
Package Thermal Resistance
MSOP (
θ
JA
) .......................................................115
°
C/W
3mm
×
3mm MLF
-10L (
θ
JA
)...............................60
°
C/W
Electrical Characteristics
(4)
T
A
= 25
°
C with V
IN
=V
EN
= 3.5V, unless otherwise noted.
Bold
values indicate
–
40
°
C < T
J
< +125
°
C
Parameter
Condition
Min
Typ
Max
Units
Supply Voltage Range
2.3
5.5
V
Current Limit
V
FB
= 0.7V
V
FB
= 1.1V
EN = 0V
0.6
1.2
2
A
Quiescent Current
320
450
μ
A
6.0
15
μ
A
Feedback Voltage
0.98
1.0
1.02
V
Output Voltage Line Regulation
V
OUT
= 1V, V
IN
= 2.3V to 5.5V, I
LOAD
= 100mA
0mA < I
LOAD
< 500mA
V
FB
= 0.7V
I
SW
= 300mA, V
FB
= 0.7V
I
SW
=
–
300mA, V
FB
= 1.1V
0.2
%
Output Voltage Load Regulation
0.2
%
Maximum Duty Cycle
100
%
Switch On-Resistance
0.72
0.55
Oscillator Frequency
1.8
2
2.2
MHz
Sync Frequency Range
1.8
2.5
MHz
SYNC_IN Threshold
1.2
V
Sync Minimum Pulse Width
10
ns
SYNC_IN Input Current
1
2
μ
A
Enable Threshold
0.52
0.72
0.96
V
Enable Hysteresis
20
mV
Enable Input Current
1
2
μ
A
Overtemperature Shutdown
160
°
C
Overtemperature Shutdown
Hysteresis
20
°
C
Notes:
1.
2.
3.
4.
Exceeding the ABSOLUTE MAXIMUM RATINGS may damage device.
Absolute maximum power dissipation is limited by maximum junction temperature where P
D(MAX)
= (T
J(MAX)
–
T
A
)
÷ θ
JA
.
The device is not guaranteed to function outside its operating rating.
Specification for packaged product only.
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