MIC2145BML Micrel Inc, MIC2145BML Datasheet - Page 4

• Manufacturer Part Number: MIC2145BML
• Description: IC BOOST CONV MICROPWR 10-MLF
• Manufacturer: Micrel Inc
• Type: Step-Up (Boost), Flyback, Sepicr

Specifications of MIC2145BML

• Internal Switch(s): Yes
• Synchronous Rectifier: No
• Number Of Outputs: 1
• Voltage - Output: Adj to 16V
• Current - Output: 500mA
• Frequency - Switching: 450kHz
• Voltage - Input: 2.4 ~ 16 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 10-MLF®, QFN
• Power - Output: 2.5W
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

MIC2145
Typical Characteristics
M9999-042205
16.0
15.8
15.6
15.4
15.2
15.0
14.8
14.6
14.4
14.2
14.0
0.50
0.45
0.40
0.35
0.30
0.25
0.20
0.15
0.10
0.05
0.00
100
1.5
1.4
1.3
1.2
1.1
1.0
0.9
0.8
0.7
0.6
0.5
90
80
70
60
50
-40 -20
2
0
2
4
OUTPUT CURRENT (A)
Quiescent Current
TEMPERATURE (°C)
Efficiency-Basic
vs. Temperature
Line Regulation
4
Configuration
6
0
6
I
Off Time
OUT
vs. V
20
V
V
8
8 10 12 14 16 18
DD
DD
= 10mA
10 12 14 16
(V)
DD
(V)
40 60 80 100
V
V
L = 10µH
L = 10µH
IN
OUT
= 3.3V
= 10V
1.09
1.08
1.07
1.06
1.05
0.50
0.45
0.40
0.35
0.30
0.25
0.20
0.15
0.10
0.05
0.00
100
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0.0
1.1
90
80
70
60
50
-40 -20
-40 -20
0
Efficiency-Bootstrapped
Switch On-Resistance
2
OUTPUT CURRENT (A)
Shutdown Current
Feedback Voltage
TEMPERATURE (°C)
TEMPERATURE (°C)
vs. Temperature
vs. Temperature
4
Configuration
0
0
6
vs. V
20 40
20 40
V
4
8 10 12 14 16 18
DD
DD
(V)
V
V
L
IN
OUT
=
60 80 100
60 80 100
10µH
=
3.3V
=
10V
10.2
10.0
0.10
0.09
0.08
0.07
0.06
0.05
0.04
0.03
0.02
0.01
0.00
0.50
0.45
0.40
0.35
0.30
0.25
0.20
0.15
0.10
0.05
0.00
9.8
9.6
9.4
9.2
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0.0
-40 -20
-40 -20
-40 -20
Switch On-Resistance
OUTPUT CURRENT (A)
Quiescent Current
Feedback Current
TEMPERATURE (°C)
TEMPERATURE (°C)
TEMPERATURE (°C)
Load Regulation
vs. Temperature
vs. Temperature
vs. Temperature
0
0
0
20 40
20 40
20 40
V
V
L = 10µH
IN
IN
60 80 100
60 80 100
60 80 100
= 3.6V
= 3.6V
Micrel, Inc.
April 2005