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MIC2288BML

Description
1A 1.2MHz PWM Boost Converter in Thin SOT-23 and 2脳2 MLF
CategoryPower/power management    The power supply circuit   
File Size236KB,11 Pages
ManufacturerMicrochip
Websitehttps://www.microchip.com
Download Datasheet Parametric Compare View All

MIC2288BML Overview

1A 1.2MHz PWM Boost Converter in Thin SOT-23 and 2脳2 MLF

MIC2288BML Parametric

Parameter NameAttribute value
Is it lead-free?Contains lead
Is it Rohs certified?incompatible
MakerMicrochip
Parts packaging codeDFN
package instructionVSON, SOLCC8,.08,20
Contacts8
Manufacturer packaging codeMLF
Reach Compliance Codecompli
ECCN codeEAR99
Other featuresALSO HAS OUTPUT VOLTAGE ADJUSTABLE TO 34V
Analog Integrated Circuits - Other TypesSWITCHING REGULATOR
control modeCURRENT-MODE
Control TechnologyPULSE WIDTH MODULATION
Maximum input voltage10 V
Minimum input voltage2.5 V
Nominal input voltage3.6 V
JESD-30 codeS-XDSO-N8
JESD-609 codee0
length2 mm
Humidity sensitivity level1
Number of functions1
Number of terminals8
Maximum operating temperature125 °C
Minimum operating temperature-40 °C
Maximum output current2 A
Package body materialUNSPECIFIED
encapsulated codeVSON
Encapsulate equivalent codeSOLCC8,.08,20
Package shapeSQUARE
Package formSMALL OUTLINE, VERY THIN PROFILE
Peak Reflow Temperature (Celsius)240
Certification statusNot Qualified
Maximum seat height0.9754 mm
surface mountYES
Switch configurationBOOST
Maximum switching frequency1350 kHz
Temperature levelAUTOMOTIVE
Terminal surfaceTin/Lead (Sn80Pb20)
Terminal formNO LEAD
Terminal pitch0.5 mm
Terminal locationDUAL
Maximum time at peak reflow temperature30
width2 mm
MIC2288
Micrel, Inc.
MIC2288
1A 1.2MHz
PWM Boost Converter in
Thin SOT-23 and 2×2 MLF™
×
General Description
The MIC2288 is a 1.2MHz PWM, DC/DC boost switching
regulator available in low-profile Thin SOT-23 and
2mm
×
2mm MLF™ package options. High power density is
achieved with the MIC2288’s internal 34V/1A switch, allow-
ing it to power large loads in a tiny footprint.
The MIC2288 implements a constant frequency, 1.2MHz
PWM, current mode control scheme with internal compensa-
tion that offers excellent transient response and output regu-
lation performance. The high frequency operation saves
board space by allowing small, low-profile, external compo-
nents. The fixed frequency PWM topology also reduces
spurious switching noise and ripple to the input power source.
The MIC2288 is available in a low-profile Thin SOT-23-5
package and a 2mm
×
2mm MLF™-8 leadless package. The
2mm
×
2mm MLF™-8 package option has an output over-
voltage protection feature.
The MIC2288 has a junction temperature range of –40°C to
+125°C.
All support documentation can be found on Micrel’s web
site at www.micrel.com.
Features
2.5V to 10V input voltage range
Output voltage adjustable to 34V
Over 1A switch current
1.2MHz PWM operation
Stable with ceramic capacitors
High-efficiency
<1% line and load regulation
Low input and output ripple
<1µA shutdown current
UVLO
Output overvoltage protection (MIC2288BML)
Over temperature shutdown
Thin SOT-23-5 package option
2mm
×
2mm leadless MLF™-8 package option
–40°C to +125°C junction temperature range
Applications
Organic EL power supply
TFT-LCD bias supply
12V supply for DSL applications
Multi-output DC/DC converters
Positive and negative output regulators
SEPIC converters
Typical Application
V
IN
L1
10µH
V
OUT
15V
90
85
15V
OUT
Efficiency
V
IN
= 4.2V
5
VIN
EN
SW
FB
1
EFFICIENCY (%)
MIC2288BD5
R1
3
80
75
70
65
60
0
0.05
0.1
0.15
LOAD (A)
0.2
V
IN
= 3.2V
1-Cell
Li Ion
4
C1
2.2µF
GND
2
R2
C2
10µF
V
IN
= 3.6V
2mm
×
2mm MLF™ Boost Regulator
MLF and
MicroLeadFrame
are trademarks of Amkor Technology, Inc.
Micrel, Inc. • 2180 Fortune Drive • San Jose, CA 95131 • USA • tel + 1 (408) 944-0800 • fax + 1 (408) 474-1000 • http://www.micrel.com
April 2005
1
M9999-042205

MIC2288BML Related Products

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Description 1A 1.2MHz PWM Boost Converter in Thin SOT-23 and 2脳2 MLF 1A 1.2MHz PWM Boost Converter in Thin SOT-23 and 2脳2 MLF 1A 1.2MHz PWM Boost Converter in Thin SOT-23 and 2脳2 MLF 1A 1.2MHz PWM Boost Converter in Thin SOT-23 and 2脳2 MLF 1A 1.2MHz PWM Boost Converter in Thin SOT-23 and 2脳2 MLF
Is it Rohs certified? incompatible - incompatible conform to conform to
Maker Microchip - Microchip Microchip Microchip
package instruction VSON, SOLCC8,.08,20 - VSSOP, TSOP5/6,.11,37 VSON, VSSOP,
Reach Compliance Code compli - compli compli compli
ECCN code EAR99 - EAR99 EAR99 EAR99
Other features ALSO HAS OUTPUT VOLTAGE ADJUSTABLE TO 34V - ALSO HAS OUTPUT VOLTAGE ADJUSTABLE TO 34V ALSO HAS OUTPUT VOLTAGE ADJUSTABLE TO 34V ALSO HAS OUTPUT VOLTAGE ADJUSTABLE TO 34V
Analog Integrated Circuits - Other Types SWITCHING REGULATOR - SWITCHING REGULATOR SWITCHING REGULATOR SWITCHING REGULATOR
control mode CURRENT-MODE - CURRENT-MODE CURRENT-MODE CURRENT-MODE
Control Technology PULSE WIDTH MODULATION - PULSE WIDTH MODULATION PULSE WIDTH MODULATION PULSE WIDTH MODULATION
Maximum input voltage 10 V - 10 V 10 V 10 V
Minimum input voltage 2.5 V - 2.5 V 2.5 V 2.5 V
Nominal input voltage 3.6 V - 3.6 V 3.6 V 3.6 V
JESD-30 code S-XDSO-N8 - R-PDSO-G5 S-XDSO-N8 R-PDSO-G5
JESD-609 code e0 - e0 e4 e3
length 2 mm - 2.9 mm 2 mm 2.9 mm
Humidity sensitivity level 1 - 1 1 1
Number of functions 1 - 1 1 1
Number of terminals 8 - 5 8 5
Maximum operating temperature 125 °C - 125 °C 125 °C 125 °C
Minimum operating temperature -40 °C - -40 °C -40 °C -40 °C
Maximum output current 2 A - 2 A 2 A 2 A
Package body material UNSPECIFIED - PLASTIC/EPOXY UNSPECIFIED PLASTIC/EPOXY
encapsulated code VSON - VSSOP VSON VSSOP
Package shape SQUARE - RECTANGULAR SQUARE RECTANGULAR
Package form SMALL OUTLINE, VERY THIN PROFILE - SMALL OUTLINE, VERY THIN PROFILE, SHRINK PITCH SMALL OUTLINE, VERY THIN PROFILE SMALL OUTLINE, VERY THIN PROFILE, SHRINK PITCH
Peak Reflow Temperature (Celsius) 240 - 240 260 260
Certification status Not Qualified - Not Qualified Not Qualified Not Qualified
Maximum seat height 0.9754 mm - 1 mm 0.9754 mm 1 mm
surface mount YES - YES YES YES
Switch configuration BOOST - BOOST BOOST BOOST
Maximum switching frequency 1350 kHz - 1350 kHz 1350 kHz 1350 kHz
Temperature level AUTOMOTIVE - AUTOMOTIVE AUTOMOTIVE AUTOMOTIVE
Terminal surface Tin/Lead (Sn80Pb20) - Tin/Lead (Sn85Pb15) Nickel/Palladium/Gold (Ni/Pd/Au) Matte Tin (Sn)
Terminal form NO LEAD - GULL WING NO LEAD GULL WING
Terminal pitch 0.5 mm - 0.95 mm 0.5 mm 0.95 mm
Terminal location DUAL - DUAL DUAL DUAL
Maximum time at peak reflow temperature 30 - 30 40 40
width 2 mm - 1.6 mm 2 mm 1.6 mm
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