參數(shù)資料
型號(hào): MIC2205YML
廠商: MICREL INC
元件分類: 穩(wěn)壓器
英文描述: 2MHz PWM Synchronous Buck Regulator with LDO Standby Mode
中文描述: 2 A SWITCHING REGULATOR, 2200 kHz SWITCHING FREQ-MAX, PDSO10
封裝: 3 X 3 MM, LEAD FREE, MLF-10
文件頁數(shù): 5/16頁
文件大?。?/td> 453K
代理商: MIC2205YML
Micrel, Inc.
MIC2205
Typical Characteristics – PWM Mode
April 2005
5
M9999-041105
www.micrel.com
-20
1E+2
-10
0
10
20
30
40
50
60
70
80
1E+3
FREQUENCY (Hz)
1E+4
1E+5
1E+6
G
Bode Plot
V
IN
= 3.6V
V
= 1.8V
L = 2.2 H
C
OUT
= 2.2 F
C
FF
= 120pF
Phase
Gain
-36
-18
0
18
36
54
72
90
108
126
144
P
50
55
60
65
70
75
80
85
90
95
100
0
100
200
300
400
E
OUTPUT CURRENT (mA)
2.5V
OUT
Efficiency
V
IN
= 3.6V
V
IN
= 4.2V
V
IN
= 3V
50
55
60
65
70
75
80
85
90
95
100
0
100 200 300 400 500 600
OUTPUT CURRENT (mA)
E
1.8V
OUT
Efficiency
V
IN
= 3.6V
V
IN
= 4.2V
V
IN
= 3V
50
55
60
65
70
75
80
85
90
95
0
100
200
300
400
E
OUTPUT CURRENT (mA)
1.5V
OUT
Efficiency
V
IN
= 3.6V
V
IN
= 4.2V
V
IN
= 3V
50
55
60
65
70
75
80
85
90
95
0
100
200
300
400
E
OUTPUT CURRENT (mA)
1.38V
OUT
Efficiency
V
IN
= 3.6V
V
IN
= 4.2V
V
IN
= 3V
50
55
60
65
70
75
80
85
90
95
0
100
200
300
400
E
OUTPUT CURRENT (mA)
1.2V
OUT
Efficiency
V
IN
= 3.6V
V
IN
= 4.2V
V
IN
= 3V
50
55
60
65
70
75
80
85
90
0
100 200 300 400 500 600
OUTPUT CURRENT (mA)
E
1.0V
OUT
Efficiency
V
IN
= 3V
V
IN
= 3.6V
V
IN
= 4.2V
0.990
0.992
0.994
0.996
0.998
1.000
1.002
1.004
1.006
1.008
1.010
0
100
200
300
400
F
OUTPUT CURRENT (mA)
Load Regulation
V
= 3.6V
LowQ = V
IN
0
2.7
100
200
300
400
500
600
700
800
900
3.4
4.1
4.8
5.5
Q
SUPPLY VOLTAGE (V)
Quiescent Current
vs. Supply Voltage
V
IN
= 3.6V
V
FB
= 0.9V
1.8
1.85
1.9
1.95
2
2.05
2.1
2.15
2.2
-40 -20 0
20 40 60 80 100120
TEMPERATURE (°C)
F
Frequency
vs. Temperature
V
IN
= 3.6V
0
2.7
200
400
600
800
1000
1200
3.4
4.1
4.8
5.5
C
SUPPLY VOLTAGE (V)
Peak Current Limit
vs. Supply Voltage
LowQ = V
IN
0.5
0.6
0.7
0.8
0.9
1.0
1.1
1.2
1.3
1.4
1.5
2.7
3.4
4.1
4.8
5.5
E
SUPPLY VOLTAGE (V)
Enable Threshold
vs. Supply Voltage
LowQ = V
IN
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