April 2005 13 M9999-042205
MIC2145 Micrel, Inc.
L1
10µH
Sumida
CR32-100
MIC2145
D1
On Semiconductor
MBR0530T1
RSET
EN
PGND SW
R4
1M
R3
121k
C3
100pF
V
OUT
10.0V
VDD
FB
SGND
R1
100k
JP1
V
IN
3.0V-5.0V
SS
C2
0.01µF
C1
10µF/6.3V
Murata
GRM42-6 X5R 106K 6.3
R2
10k
C4
10µF/16V
Murata
GRM42-2 X5R 106K 16
V
NI
V
TUO
daoLegatloVelppiRycneiciffE
VV Am)kaep-kaep(Vm%
0.30.01051002<38
60
65
70
75
80
85
90
10 100 1000
EFFICIENCY (%)
OUTPUT CURRENT (mA)
10V Output
Efficiency
V
IN
= 3.0V
Figure 9. LCD Application — Bootstrap Configuration
MIC2145 Micrel, Inc.
M9999-042205 14 April 2005
L1
10µH
Sumida
CR32-100
MIC2145
D1
On Semiconductor
MBR0530T1
RSET
EN
PGND SW
R4
1M
R3
78.7k
C3
100pF
V
OUT
15.0V
LED1
R
LED2 LED3 LED4
VDD
FB
SGND
R1
100k
JP1
V
IN
3.0V-5.0V
SS
C2
0.01µF
C1
10µF/6.3V
Murata
GRM42-6 X5R 106K 6.3
R2
10k
C4
10µF/16V
Murata
GRM42-2 X5R 106K 16
V
NI
V
TUO
daoLegatloVelppiRycneiciffE
VV Am)kaep-kaep(Vm%
6.30.5104001<58
60
65
70
75
80
85
90
110100
EFFICIENCY (%)
OUTPUT CURRENT (mA)
15V Output
Efficienc
V
IN
= 3.6V
Figure 10. Series White LED Driver Application
April 2005 15 M9999-042205
MIC2145 Micrel, Inc.
Package Information
0.008 (0.20)
0.004 (0.10)
0.039 (0.99)
0.035 (0.89)
0.021 (0.53)
0.012 (0.03) R
0.0256 (0.65) TYP
0.012 (0.30) R
5° MAX
0° MIN
0.122 (3.10)
0.112 (2.84)
0.120 (3.05)
0.116 (2.95)
0.012 (0.3)
0.007 (0.18)
0.005 (0.13)
0.043 (1.09)
0.038 (0.97)
0.036 (0.90)
0.032 (0.81)
DIMENSIONS:
INCH (MM)
0.199 (5.05)
0.187 (4.74)
8-Pin MSOP (MM)
0.20 dia
0.48 typ.
3.00 BSC.
1.50 BSC.
PIN 1 ID
0.85
3.00 BSC.
TOP BOTTOM
ODD TERMINAL SIDE EVEN TERMINAL SIDE
TERMINAL TIP
TERMINAL TIP
1.50 BSC.
1
2
3
1
2
3
–0.05
+0.15
0.01
0.50 BSC.
0.50 BSC.
0.50 BSC.
–0.01
+0.04
0.23
–0.05
+0.07
0.23
–0.05
+0.07
0.01
–0.01
+0.04
0.40
–0.05
+0.15
1.60
–0.15
+0.15
0.80
–0.15
+0.15
2.30
–0.15
+0.15
1.15
–0.15
+0.15
SEATING PLANE
10-Pin MLF (ML)
MICREL INC. 2180 FORTUNE DRIVE SAN JOSE, CA 95131 USA
TEL + 1 (408) 944-0800 FAX + 1 (408) 474-1000 WEB http://www.micrel.com
This information furnished by Micrel in this data sheet is believed to be accurate and reliable. However no responsibility is assumed by Micrel for its use.
Micrel reserves the right to change circuitry and specifications at any time without notification to the customer.
Micrel Products are not designed or authorized for use as components in life support appliances, devices or systems where malfunction of a product can
reasonably be expected to result in personal injury. Life support devices or systems are devices or systems that (a) are intended for surgical implant into
the body or (b) support or sustain life, and whose failure to perform can be reasonably expected to result in a significant injury to the user. A Purchaser’s
use or sale of Micrel Products for use in life support appliances, devices or systems is a Purchaser’s own risk and Purchaser agrees to fully indemnify
Micrel for any damages resulting from such use or sale.
© 2003 Micrel, Incorporated.

MIC2145YMM

Mfr. #:
Manufacturer:
Microchip Technology / Micrel
Description:
Switching Voltage Regulators Boost Regulator
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
Payment:
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