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| MP1522ET-LF-P Datasheet, PDF (1/6 Pages) MPS Industries, Inc. – 25V Step-Up Converter in a SOT23-5 Package | |||
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The Future of Analog IC Technology
DESCRIPTION
The MP1522 is a step up converter that
generates up to a 25V output voltage from a
2.7V to 25V input. It uses a current limited
Variable Frequency control algorithm to
optimize efficiency and minimize external
component size and cost. The internal 0.5â¦
N-Channel MOSFET switch can withstand up to
28V allowing the MP1522 to produce high
output voltage with high efficiency.
The MP1522 includes input under voltage and
over temperature protection. The MP1522 is
available in tiny 5-pin SOT23 packages.
EVALUATION BOARD REFERENCE
Board Number
EV0022
Dimensions
2.2âX x 1.5âY x 0.5âZ
MP1522
25V Step-Up Converter
in a SOT23-5 Package
FEATURES
⢠Internal 0.5⦠Power Switch
⢠Output Voltage up to 25V
⢠Up to 90% Efficiency
⢠Low 1µA Shutdown Current
⢠Input Under Voltage Protection
⢠Thermal Shutdown
⢠Internal Current Limit
⢠Available in Tiny 5-Pin SOT23 Packages
APPLICATIONS
⢠Handheld Computers, PDAs
⢠Cell Phones
⢠Digital Still and Video Cameras
⢠Small LCD Displays
âMPSâ and âThe Future of Analog IC Technologyâ are Registered
Trademarks of Monolithic Power Systems, Inc.
TYPICAL APPLICATION
VIN
3.3V
OFF ON
4 EN
SW 1
MP1522 BIAS 5
2
GND
3
FB
D1
RB751
VOUT
20V
C2
1nF
Efficiency vs Load Current
with BIAS Tied to VOUT
100
10V
90
5.0V
3.3V
80
70
60
VOUT = 12V
50
1
10
100
1000
LOAD CURRENT (mA)
MP1522 Rev. 2.0
www.MonolithicPower.com
1
9/21/2007
MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.
© 2007 MPS. All Rights Reserved.
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