MIC2291(2004) 데이터 시트보기 (PDF) - Micrel
부품명
상세내역
제조사
MIC2291 Datasheet PDF : 9 Pages
| |||
MIC2291
Typical Characteristics
Efficiency 12VOUT
90
85
3V
80
3.6V
75
4.2V
70
65
60
55
500 20 40 60 80 100 120 140 160
OUTPUT CURRENT (A)
Current Limit
vs. Temperature
1.4
1.2
1
0.8
0.6
0.4
0.2
VIN= 3.6V
-040 -20 0 20 40 60 80 100 120
TEMPERATURE (°C)
Switch Saturation
vs. Temperature
700
600
500
400
300
200
100
I = 1V
0 SW
-40 -20 0 20 40 60 80 100 120
TEMPERATURE (°C)
Maximum Duty Cycle
vs. Temperature
99
97
95
93
91
89
87
VIN = 3.6V
85
-40 -20 0 20 40 60 80 100 120
TEMPERATURE (°C)
M9999-081104
Feedback Voltage vs.
Temperature
110
105
100
95
90
85
8-040 -20 0 20 40 60 80 100 120
TEMPERATURE (¡C)
Switch Saturation
vs. Supply Voltage
300
250
200
150
100
50
ISW = 500mA
0
0 5 10 15 20 25
SUPPLY VOLTAGE (V)
1.4
1.3
1.2
1.1
1
0.9
0.-840
Frequency
vs. Temperature
VIN = 3.6V
0
40
80 120
TEMPERATURE (°C)
Maximum Duty Cycle
vs. Temperature
99
97
95
93
91
89
87
VIN = 3.6V
8-540 -20 0 20 40 60 80 100 120
TEMPERATURE (°C)
4
Micrel
Current Limit vs.
Supply Voltage
1.4
1.3
1.2
1.1
1.0
0.9
VIN=3.6V
0.8
0.7
0.6
2.5 4 5.5 7 8.5 10
SUPPLY VOLTAGE
Saturation Voltage
vs. Current
700
600
500
400
300
200
100
VIN= 3.6V
00 200 400 600 800 1000
SWITCH CURRENT (mA)
Maximum Duty Cycle
vs. Supply Voltage
100
98
96
94
92
90
88
86
84
VIN=3.6V
82
820.5 4 5.5 7 8.5 10
SUPPLY VOLTAGE (V)
1.3
1.28
1.26
1.24
1.22
1.2
1.18
1.16
1.14
1.12
1.21.5
Enable Threshold
vs. Supply Voltage
VIN = 3.6V
4 5.5 7 8.5 10
SUPPLY VOLTAGE (V)
August, 2004
Share Link: 