MIC2164 MICREL [Micrel Semiconductor], MIC2164 Datasheet - Page 6

• Manufacturer Part Number: MIC2164
• Description: Constant Frequency, Synchronous Buck Controllers Featuring Adaptive On-Time Control
• Manufacturer: MICREL [Micrel Semiconductor]

Micrel, Inc.
Typical Characteristics (continued)
September 2009
1150
1120
1090
1060
1030
1000
1150
1120
1090
1060
1030
1000
1150
1120
1090
1060
1030
1000
970
940
910
880
850
1150
1120
1090
1060
1030
1000
970
940
910
880
850
970
940
910
880
850
970
940
910
880
850
-40
3
0
Switching Frequency vs. VHSD
3
Switching Frequency vs. VIN
Switching Frequency vs. Load
Frequency vs. Temperature
-20
MIC2164-3 Switching
3.5
8
2
0
OUTPUT CURRENT (A)
TEMPERATURE (°C)
INPUT VOLTAGE (V)
MIC2164-3
MIC2164-3
HSD VOLTAGE (V)
20
MIC2164-3
13
4
4
40
60
4.5
18
6
VHSD=12V
VIN=5V
VHSD=12V
80
VIN=5V
VIN=5V
23
8
5
100
120
5.5
10
28
350
340
330
320
310
300
290
280
270
260
250
350
340
330
320
310
300
290
280
270
260
250
350
340
330
320
310
300
290
280
270
260
250
-40
150
135
120
105
3
90
75
60
45
30
15
3
0
Switching Frequency vs. VHSD
MIC2164 Switching Frequency
Switching Frequency vs. VIN
0
-20
Feedback Voltage Percentage
Current Limit Threshold vs.
10
3.5
8
Feedback Voltage Percentage (%)
0
20
vs. Temperature
TEMPERATURE (°C)
INPUT VOLTAGE (V)
30
HSD VOLTAGE (V)
20
MIC2164
MIC2164
13
4
40
40
6
50
4.5
60
18
60
VHSD=12V
80
70
VIN=5V
VIN=5V
23
VIN=5V
5
80
100
90
120
100
5.5
28
700
680
660
640
620
600
580
560
540
520
500
700
680
660
640
620
600
580
560
540
520
500
700
680
660
640
620
600
580
560
540
520
500
150
135
120
105
-40
90
75
60
45
30
15
3
3
0
-40
Switching Frequency vs. VHSD
Switching Frequency vs. VIN
Frequency vs. Temperature
-20
-20
Current Limit Threshold
3.5
MIC2164-2 Switching
8
0
vs. Temperature
0
TEMPERATURE (°C)
INPUT VOLTAGE (V)
MIC2164-2
TEMPERATURE (°C)
HSD VOLTAGE (V)
20
MIC2164-2
20
13
4
40
40
M9999-090409-B
MIC2164/-2/-3
60
18
4.5
60
VHSD=12V
80
80
VIN=5V
VOUT=2.5V
VIN=5V
23
VFB=0.8V
VFB=0V
100
5
100
120
120
28
5.5