mic33153yhj Micrel Semiconductor, mic33153yhj Datasheet - Page 4

• Manufacturer Part Number: mic33153yhj
• Description: 4mhz Pwm 1.2a Internal Inductor Buck Regulator With Hyperlight Load And Power Good
• Manufacturer: Micrel Semiconductor

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