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MIC33153 Datasheet(PDF) 4 Page - Micrel Semiconductor

Part # MIC33153
Description  4MHz PWM 1.2A Internal Inductor Buck Regulator with HyperLight Load and Power Good
PDF  17 Pages
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Manufacturer  MICREL [Micrel Semiconductor]
Direct Link  http://www.micrel.com
Logo MICREL - Micrel Semiconductor

MIC33153 Datasheet(HTML) 4 Page - Micrel Semiconductor

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Micrel Inc.
MIC33153
September 2010
4
M9999-092910-A
Typical Characteristics
Efficiency (VOUT = 3.3V)
0
10
20
30
40
50
60
70
80
90
100
1
10
100
1000
10000
OUTPUT CURRENT (mA)
COUT = 4.7µF
VIN = 4.2V
VIN = 5.0V
VIN = 5.5V
Efficiency (VOUT = 2.5V)
0
10
20
30
40
50
60
70
80
90
100
1
10
100
1000
10000
OUTPUT CURRENT (mA)
COUT = 4.7µF
VIN = 3.6V
VIN = 4.2V
VIN = 5.5V
Efficiency (VOUT = 1.8V)
0
10
20
30
40
50
60
70
80
90
100
1
10
100
1000
10000
OUTPUT CURRENT (mA)
COUT = 4.7µF
VIN = 3.0V
VIN = 3.6V
VIN = 4.2V
Efficiency (VOUT = 1.5V)
0
10
20
30
40
50
60
70
80
90
100
1
10
100
1000
10000
OUTPUT CURRENT (mA)
COUT = 4.7µF
VIN = 3.0V
VIN = 3.6V
VIN = 4.2V
Efficiency (VOUT = 1.2V)
0
10
20
30
40
50
60
70
80
90
100
1
10
100
1000
10000
OUTPUT CURRENT (mA)
COUT = 4.7µF
VIN = 3.0V
VIN = 3.6V
VIN = 4.2V
Efficiency (VOUT = 1.0V)
0
10
20
30
40
50
60
70
80
90
100
1
10
100
1000
10000
OUTPUT CURRENT (mA)
COUT = 4.7µF
VIN = 3.0V
VIN = 3.6V
VIN = 4.2V
Current Limit
vs. Input Voltage
0.00
0.50
1.00
1.50
2.00
2.50
3.00
3.50
4.00
4.50
5.00
2.7
3.2
3.7
4.2
4.7
5.2
5.7
INPUT VOLTAGE (V)
Quiescent Current
vs. Input Voltage
0
5
10
15
20
25
30
35
40
2.7
3.2
3.7
4.2
4.7
5.2
5.7
INPUT VOLTAGE (V)
No Switching
SNS > 1.2 * VOUTNOM
COUT = 4.7µF
T = 125°C
T = 20°C
T = - 45°C
Shutdown Current
vs. Input Voltage
0
5
10
15
20
25
30
2.5
3.0
3.5
4.0
4.5
5.0
5.5
INPUT VOLTAGE (V)
Line Regulation
(Light Load)
1.700
1.720
1.740
1.760
1.780
1.800
1.820
1.840
1.860
1.880
1.900
2.53
3.54
4.555.5
INPUT VOLTAGE (V)
VOUTNOM = 1.8V
COUT = 4.7µF
IOUT = 160mA
IOUT = 40mA
IOUT = 1mA
Line Regulation
(Heavy Load)
1.700
1.720
1.740
1.760
1.780
1.800
1.820
1.840
1.860
1.880
1.900
2.5
3
3.5
4
4.5
5
5.5
INPUT VOLTAGE (V)
VOUTNOM = 1.8V
COUT = 4.7µF
IOUT = 500mA
IOUT = 300mA
IOUT = 1000mA
Load Regulation
1.100
1.150
1.200
1.250
1.300
0
200
400
600
800 1000 1200
OUTPUT CURRENT (mA)
VOUTNOM = 1.2V
COUT = 4.7µF
VIN = 4.2V
VIN = 3.6V
VIN = 3.0V



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