MIC33050-GYHL TR Micrel Inc, MIC33050-GYHL TR Datasheet - Page 4

• Manufacturer Part Number: MIC33050-GYHL TR
• Description: High Efficiency 600mA Inductor-less Buck Regulator Featuring Hyper Light Load
• Manufacturer: Micrel Inc
• Type: Step-Down (Buck)r

Specifications of MIC33050-GYHL TR

• Internal Switch(s): Yes
• Synchronous Rectifier: Yes
• Number Of Outputs: 1
• Voltage - Output: 1.8V
• Current - Output: 600mA
• Frequency - Switching: 4MHz
• Voltage - Input: 2.7 ~ 5.5 V
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: 12-MLF®, QFN
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Power - Output: -
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 576-3040-2

Typical Characteristics
Micrel, Inc.
July 2009
1.90
1.85
1.80
1.75
1.70
100
100
5.0
4.0
3.0
5.5
4.5
3.5
2.5
90
80
70
60
50
90
80
70
60
50
1
1
V
V
V
Efficiency V
IN
IN
IN
Switching Frequency
Efficiency V
OUTPUT CURRENT (mA)
OUTPUT CURRENT (mA)
= 3.6V
= 4.2V
= 5.0V
vs. Temperature
TEMPERATURE (°C)
vs. Temperature
TEMPERATURE (°C)
Output Voltage
10
10
V
20 40 60 80
20 40 60 80
IN
= 2.7V
OUT
V
V
Load = 150mA
OUT
V
V
IN
OUT
IN
V
V
No Load
IN
100
100
IN
OUT
= 1.0V
= 4.2V
= 3.6V
= 3.3V
L = 1uH
= 5.5V
= 1.8V
= 3.6V
= 1.8V
1000
1000
1.90
1.85
1.80
1.75
1.70
100
5.0
4.0
3.0
5.5
4.5
3.5
2.5
40
30
20
10
90
80
70
60
50
0
2.7
2.7
1
V
Switching Frequency
IN
Efficiency V
3.2
3.2
OUTPUT CURRENT (mA)
Quiescent Current
= 3.6V
vs. Input Voltage
vs. Input Voltage
INPUT VOLTAGE (V)
INPUT VOLTAGE (V)
INPUT VOLTAGE (V)
Output Voltage
vs. Temperature
TEMPERATURE (°C)
V
IN
10
3.7
3.7
= 3.0V
20 40 60 80
4
4.2
4.2
V
OUT
V
Load = 150mA
IN
Load = 20mA
OUT
V
V
100
= 4.2V
IN
OUT
4.7
4.7
= 1.8V
= 3.6V
= 1.8V
= 1.8V
5.2
5.2
1000
0.80
0.78
0.76
0.74
0.72
0.70
0.68
0.66
0.64
0.62
0.60
1.90
1.80
1.70
1.85
1.75
100
90
80
70
60
50
50
45
40
35
30
25
20
15
10
2.7
5
0
1
0
V
Efficiency V
IN
100 200 300 400 500 600
Quiescent Current
3.2
OUTPUT CURRENT (mA)
vs. Output Current
OUTPUT CURRENT (mA)
= 3.6V
vs. Input Voltage
Feedback Voltage
INPUT VOLTAGE (V)
vs. Temperature
TEMPERATURE (°C)
Output Voltage
10
3.7
V
20 40 60 80
IN
= 2.7V
4.2
OUT
M9999-070909-C
V
IN
V
V
No Load
V
No Load
100
IN
OUT
OUT
= 1.2V
= 4.2V
V
4.7
IN
= 3.6V
MIC33050
= 1.8V
= 1.8V
= 3.6V
5.2
1000