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MAX1614 Datasheet(PDF) 1 Page - Maxim Integrated Products

Part No. MAX1614
Description  High-Side, N-Channel MOSFET Switch Driver
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Maker  MAXIM [Maxim Integrated Products]
Homepage  http://www.maxim-ic.com
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MAX1614 Datasheet(HTML) 1 Page - Maxim Integrated Products

   
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_______________General Description
The MAX1614 drives high-side, N-channel power MOSFETs
to provide battery power-switching functions in portable
equipment. N-channel power MOSFETs typically have
one-third the on-resistance of P-channel MOSFETs of simi-
lar size and cost. An internal micropower regulator and
charge pump generate the high-side drive output voltage,
while requiring no external components.
The MAX1614 also features a 1.5%-accurate low-battery
comparator that can be used to indicate a low-battery
condition, provide an early power-fail warning to the sys-
tem microprocessor, or disconnect the battery from the
load, preventing deep discharge and battery damage. An
internal latch allows for pushbutton on/off control with very
low current consumption. Off-mode current consumption
is only 6µA while normal operation requires less than
25µA. The MAX1614 is available in the space-saving
µMAX package that occupies about 60% less space than
a standard 8-pin SO.
________________________Applications
Notebook Computers
Portable Equipment
Hand-Held Instruments
Battery Packs
____________________________Features
o Internal On/Off Latch
o High-Side, N-Channel Power MOSFET Drive
o 25µA (max) Quiescent Current
o 6µA (max) Off Current
o Requires No External Components
o 1.5%-Accurate Low-Battery Detector
o Space-Saving µMAX Package
o 5V to 26V Input Voltage Range
o Drives Single or Back-to-Back MOSFETs
o Controlled Turn-On for Low Inrush Current
High-Side, N-Channel MOSFET
Switch Driver
________________________________________________________________
Maxim Integrated Products
1
1
2
3
4
8
7
6
5
BATT
SRC
GATE
GND
LBI
LBO
OFF
ON
MAX1614
µMAX
TOP VIEW
__________________Pin Configuration
MAX1614
OFF
LBO
GND
LBI
BATT
SRC
GATE
ON
NN
LOAD
OPTIONAL FOR
REVERSE CURRENT
PROTECTION
R1
R2
__________Typical Operating Circuit
19-1176; Rev 0; 12/96
PART
MAX1614C/D
MAX1614EUA
-40°C to +85°C
0°C to +70°C
TEMP. RANGE
PIN-PACKAGE
Dice*
8 µMAX
______________Ordering Information
*
Contact factory for dice specifications.
For free samples & the latest literature: http://www.maxim-ic.com, or phone 1-800-998-8800


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