參數(shù)資料
型號(hào): MIC2290YML
廠商: MICREL INC
元件分類: 穩(wěn)壓器
英文描述: 2mm 】 2mm PWM Boost Regulator with Internal Schotty Diode
中文描述: 2 A SWITCHING REGULATOR, 1350 kHz SWITCHING FREQ-MAX, PDSO8
封裝: 2 X 2 MM, LEAD FREE, MLF-8
文件頁(yè)數(shù): 4/12頁(yè)
文件大?。?/td> 98K
代理商: MIC2290YML
MIC2290
Typical Characteristics
Micrel
M9999-081104
4
August 2004
50
55
60
65
70
75
80
85
90
0
25
50
75
100
E
OUTPUT CURRENT (mA)
Efficiency at V
OUT
= 12V
V
IN
= 4.2V
V
IN
= 3.6V
V
IN
= 3.3V
11.9
11.92
11.94
11.96
11.98
12
12.02
12.04
12.06
12.08
12.1
0
20
40
60
80
O
LOAD (mA)
Load Regulation
V
IN =
3.6V
1.22
1.23
1.23
1.24
1.24
1.25
1.25
1.26
1.26
-40 -20 0
20 40 60 80 100 120
TEMPERATURE (
°
C)
F
Feedback Voltage
vs. Temperature
0
2.5
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
4
5.5
7
8.5
10
C
SUPPLY VOLTAGE (V)
Current Limit
vs. Supply Voltage
0
-40 -20 0
0.2
0.4
0.6
0.8
1.0
20 40 60 80 100 120
TEMPERATURE (
°
C)
C
Current Limit
vs. Temperature
450
460
470
480
490
500
510
520
530
540
2.5
4
5.5
7
8.5
10
S
SUPPLY VOLTAGE (V)
Switch Saturation
vs. Supply Voltage
I
SW
= 500mA
0
100
200
300
400
500
600
700
0
100
SWITCH CURRENT (mA)
200
300
400
500
S
Switch Saturation
vs. Current
V
IN
= 3.6V
0
-40 -20 0
100
200
300
400
500
600
700
20 40 60 80 100 120
TEMPERATURE (
°
C)
S
Switch Saturation Voltage
vs. Temperature
V
IN
= 3.6V
I
SW
= 500mA
1
-40 -20 0
1.05
1.1
1.15
1.2
1.25
1.3
1.35
1.4
20 40 60 80 100 120
TEMPERATURE (
°
C)
F
Frequency
vs. Temperature
80
82
84
86
88
90
92
94
96
98
100
2.5
4
5.5
7
8.5
10
M
SUPPLY VOLTAGE (V)
Maximum Duty Cycle
vs. Supply Voltage
85
87
89
91
93
95
97
99
-40 -20 0
20 40 60 80 100 120
TEMPERATURE (
°
C)
M
Maximum Duty Cycle
vs. Temperature
V
IN
= 3.6V
0
-40 -20 0
100
200
300
400
500
600
700
20 40 60 80 100 120
TEMPERATURE (
°
C)
F
FB Pin Current
vs. Temperature
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