MIC2145BML Micrel Inc, MIC2145BML Datasheet - Page 14

• 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
M9999-042205
GRM42-6 X5R 106K 6.3
3.0V-5.0V
10µF/6.3V
V
IN
Murata
C1
100k
JP1
R1
10k
R2
Figure 10. Series White LED Driver Application
C2
0.01µF
PGND
EN
RSET
SS
3
CR32-100
V
V
MIC2145
Sumida
6 .
N I
10µH
L1
V
1
V
5
SGND
O
U
0 .
VDD
T
90
85
80
75
70
65
60
SW
FB
1
L
m
4
o
a
0
A
OUTPUT CURRENT (mA)
d
D1
On Semiconductor
MBR0530T1
15V Output
m
R
Efficiency
V
p i
14
78.7k
p (
p
10
e l
<
1M
R4
R3
e
1
a
V
0
k
l o
0
p -
V
100pF
a t
e
IN
a
g
= 3.6V
C3
) k
e
f E
100
c i f
8
%
e i
5
n
y c
C4
10µF/16V
Murata
GRM42-2 X5R 106K 16
V
15.0V
OUT
LED1
LED2 LED3 LED4
Micrel, Inc.
April 2005
R