mic33050 Micrel Semiconductor, mic33050 Datasheet - Page 4

• Manufacturer Part Number: mic33050
• Description: Mic33050 4mhz Internal Inductor Pwm Buck Regulator With Hyper Light Load?
• Manufacturer: Micrel Semiconductor

Typical Characteristics
Micrel, Inc.
October 2007
1.90
1.85
1.80
1.75
1.70
40
30
20
10
5.5
5.0
4.5
4.0
3.5
3.0
2.5
2.7
0
2.7
Switching Frequency
3.2
3.2
Quiescent Current
vs. Input Voltage
vs. Input Voltage
INPUT VOLTAGE (V)
INPUT VOLTAGE (V)
INPUT VOLTAGE (V)
Output Voltage
vs. Temperature
TEMPERATURE (°C)
3.7
3.7
20 40 60 80
4.2
4.2
V
Load = 150mA
Load = 20mA
OUT
V
V
IN
OUT
4.7
4.7
= 1.8V
= 3.6V
= 1.8V
5.2
5.2
0.80
0.70
0.60
1.90
1.80
1.70
0.78
0.76
0.74
0.72
0.68
0.66
0.64
0.62
1.85
1.75
50
45
40
35
30
25
20
15
10
5
0
2.7
3.2
Quiescent Current
Feedback Voltage
vs. Input Voltage
INPUT VOLTAGE (V)
vs. Temperature
TEMPERATURE (°C)
Output Voltage
3.7
LOAD (mA)
vs. Load
20 40 60 80
200
4
4.2
300
V
V
No Load
V
No Load
OUT
IN
OUT
4.7
V
IN
= 3.6V
= 1.8V
= 1.8V
= 3.6V
5.2
1.90
1.85
1.80
1.75
1.70
5.5
5.0
4.5
4.0
3.5
3.0
2.5
Switching Frequency
vs. Temperature
TEMPERATURE (°C)
vs. Temperature
TEMPERATURE (°C)
Output Voltage
20 40 60 80
20 40 60 80
V
V
Load = 150mA
M9999-100407-A
IN
OUT
V
V
No Load
IN
OUT
= 3.6V
= 1.8V
= 3.6V
MIC33050
= 1.8V