MP1522 MPS, MP1522 Datasheet

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MP1522

Manufacturer Part Number
MP1522
Description
25v Step-up Converter In A Sot23-5 Package
Manufacturer
MPS
Datasheet

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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
optimize
component size and cost. The internal 0.5Ω
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
TYPICAL APPLICATION
MP1522 Rev. 2.0
9/21/2007
OFF ON
3.3V
V
Board Number
IN
EV0022
efficiency
Frequency
4
2
EN
GND
MP1522
MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.
and
control
2.2”X x 1.5”Y x 0.5”Z
minimize
BIAS
SW
Dimensions
FB
algorithm
1
5
3
© 2007 MPS. All Rights Reserved.
external
RB751
D1
www.MonolithicPower.com
to
C2
1nF
FEATURES
APPLICATIONS
“MPS” and “The Future of Analog IC Technology” are Registered
Trademarks of Monolithic Power Systems, Inc.
Internal 0.5Ω 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
Handheld Computers, PDAs
Cell Phones
Digital Still and Video Cameras
Small LCD Displays
V
20V
OUT
100
90
80
70
60
50
25V Step-Up Converter
1
Efficiency vs Load Current
with BIAS Tied to V
in a SOT23-5 Package
LOAD CURRENT (mA)
10
MP1522
3.3V
100
V
OUT
5.0V
OUT
= 12V
10V
1000
1

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MP1522 Summary of contents

Page 1

... The Future of Analog IC Technology DESCRIPTION The MP1522 is a step up converter that generates 25V output voltage from a 2.7V to 25V input. It uses a current limited Variable Frequency control optimize efficiency and minimize component size and cost. The internal 0.5Ω N-Channel MOSFET switch can withstand up to 28V allowing the MP1522 to produce high output voltage with high efficiency ...

Page 2

... First 64 pulses after EN switches High 5) Guaranteed by design. MP1522 Rev. 2.0 9/21/2007 MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited. MP1522 – 25V STEP-UP CONVERTER IN A SOT23-5 PACKAGE ABSOLUTE MAXIMUM RATINGS BIAS .............................................. –0.3V to 28V SW ................................................. –0.5V to 28V All Other Pins................................... –0. Junction Temperature...............................150°C Solder Temperature..................................260° ...

Page 3

... MP1522 Rev. 2.0 9/21/2007 MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited. MP1522 – 25V STEP-UP CONVERTER IN A SOT23-5 PACKAGE start-up to yield a smooth glitch free turn-on. Start-up mode is activated at initial power-up or when exiting the 1µA shutdown state. The MP1522 features an internal regulator allowing ...

Page 4

... MP1522 Rev. 2.0 9/21/2007 MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited. MP1522 – 25V STEP-UP CONVERTER IN A SOT23-5 PACKAGE On/Off Control The EN input is used to turn the converter on and off. A high input at EN turns the converter on and a low level turns the converter off. When EN is not being used, connect to the input source for automatic startup ...

Page 5

... V IN 3.3V OFF ON MP1522 Rev. 2.0 9/21/2007 MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited. MP1522 – 25V STEP-UP CONVERTER IN A SOT23-5 PACKAGE Table 1—Output Current vs. Input Voltage V (V) IN 3.3 3.3 3.3 3 ...

Page 6

... Intellectual Property rights are not infringed upon when integrating MPS products into any application. MPS will not assume any legal responsibility for any said applications. MP1522 Rev. 2.0 9/21/2007 MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited. MP1522 – 25V STEP-UP CONVERTER IN A SOT23-5 PACKAGE SOT23-5 0.60 TYP 1.20 TYP 1 ...

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