參數(shù)資料
型號: MIC2202BML
廠商: MICREL INC
元件分類: 穩(wěn)壓器
英文描述: HIGH EFFICIENCY 2MHZ SYNCHRONOUS BUCK CONVERTER 1UP STABLE PWM REGULATOR
中文描述: 2.5 A SWITCHING REGULATOR, 2200 kHz SWITCHING FREQ-MAX, PDSO10
封裝: 3 X 3 MM, MLF-10
文件頁數(shù): 3/18頁
文件大?。?/td> 182K
代理商: MIC2202BML
May 2004
3
M9999-052104
MIC2202
Absolute Maximum Ratings
(Note 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 ....................................................
Note 3
Storage Temperature (T
S
) .......................
65
°
C to +150
°
C
ESD Rating (
Note 4
) ..................................................... 2kV
Micrel
Operating Ratings
(Note 2)
Supply Voltage (V
IN
) ................................... +2.3V to +5.5V
Junction Temperature (T
J
) ................
40
°
C
T
J
+125
°
C
Package Thermal Resistance
MSOP-10L (
θ
JA
)................................................115
°
C/W
3mm
×
3mm MLF
-10L (
θ
JA
)...............................60
°
C/W
Electrical Characteristics
(Note 5)
T
A
= 25
°
C with V
IN
= 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
Quiescent Current
EN = V
IN
; V
FB
= 0.55V (not switching)
EN = 0V
350
450
μ
A
0.01
1
μ
A
MIC2202 [Adjustable] Feedback
Voltage
0.4875
0.500
0.5125
V
Output Voltage Line Regulation
V
OUT
< 2V; V
IN
= 2.3V to 5.5V, I
LOAD
= 100mA
0mA < I
LOAD
< 500mA
0.05
0.5
%
Output Voltage Load Regulation
0.1
0.5
%
Bias Regulator Output Voltage
2.2
2.32
2.6
V
Maximum Duty Cycle
V
FB
= 0.7V
V
FB
= 0.7V
V
IN
= 3.5V, I
SW
= 300mA V
FB
= 0.35V
V
IN
= 3.5V, I
SW
=
300mA V
FB
= 0.55V
100
%
Current Limit
1
1.8
2.5
A
Switch ON-Resistance
0.650
0.9
0.550
0.75
Enable Input Current
0.01
1
μ
A
Sync Frequency Range
1.6
2.5
MHz
SYNC_IN Threshold
0.7
1
1.7
V
Sync Minimum Pulse Width
10
ns
SYNC_IN Input Current
1
μ
A
Oscillator Frequency
1.8
2
2.2
MHz
Enable Threshold
0.5
0.9
1.3
V
Enable Hysteresis
20
mV
Over-temperature Shutdown
160
°
C
Over-temperature Shutdown
Hysteresis
20
°
C
Note 1.
Note 2.
Note 3.
Note 4.
Note 5.
Exceeding the ABSOLUTE MAXIMUM RATINGS may damage device.
The device is not guaranteed to function outside its operating rating.
Absolute maximum power dissipation is limited by maximum junction temperature where P
D(MAX)
= (T
J(MAX)
T
A
)
÷ θ
JA
.
Devices are ESD sensitive. Handling precautions recommended. Human body model, 1.5k in series with 100pF.
Specification for packaged product only.
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