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MAX4793ETT+T

Description
Analog Circuit, 1 Func, BICMOS, 3 X 3 MM, 0.80 MM HEIGHT, THIN, EXPOSED PAD, MO-220, QFN-6
CategoryAnalog mixed-signal IC    The signal circuit   
File Size324KB,12 Pages
ManufacturerMaxim
Websitehttps://www.maximintegrated.com/en.html
Environmental Compliance  
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MAX4793ETT+T Overview

Analog Circuit, 1 Func, BICMOS, 3 X 3 MM, 0.80 MM HEIGHT, THIN, EXPOSED PAD, MO-220, QFN-6

MAX4793ETT+T Parametric

Parameter NameAttribute value
Is it lead-free?Lead free
Is it Rohs certified?conform to
Parts packaging codeQFN
package instructionHVSON,
Contacts6
Reach Compliance Codecompliant
Base Number Matches1
19-2663; Rev 1; 8/03
200mA/250mA/300mA Current-Limit Switches
General Description
The MAX4789–MAX4794 family of switches feature
internal current limiting to prevent damage to host
devices due to faulty load conditions. These analog
switches have a low 0.2Ω on-resistance and operate
from 2.3V to 5.5V input voltage range. They are avail-
able with guaranteed 200mA, 250mA, and 300mA cur-
rent limits, making them ideal for SDIO and other load
switching applications.
When the switch is on and a load is connected to the
port, a guaranteed blanking time of 14ms ensures that
the transient voltages settle down. If after this blanking
time the load current is greater than the current limit,
the MAX4789, MAX4791, and MAX4793 enter a latch-
off state where the switch is turned off and
FLAG
is
issued to the microprocessor. The switch can be turned
on again by cycling the power or the ON pin.
The MAX4790, MAX4792, and MAX4794 have an
autoretry feature where the switch turns off after the
blanking time and then continuously checks to see if
the overload condition is present. The switch remains
on after the overload condition disappears.
The MAX4789–MAX4794 are available in 6-pin thin QFN
and tiny space-saving 4-pin SOT143 packages. The
MAX4789/MAX4791/MAX4793 are also available in a
tiny 5-pin SOT23 package. For lower current current-limit-
ing switches, refer to the MAX4785–MAX4788 data sheet.
Features
o
Guaranteed Current Limit: 200mA, 250mA, 300mA
o
Thermal-Shutdown Protection
o
Reverse Current Protection
o
o
o
o
0.2Ω On-Resistance
14ms Guaranteed Blanking Time
FLAG
Function (MAX4789/MAX4791/MAX4793)
80µA Supply Current
MAX4789–MAX4794
o
8µA Latch-Off Current
(MAX4789/MAX4791/MAX4793)
o
0.01µA Shutdown Current
o
2.3V to 5.5V Supply Range
o
Undervoltage Lockout
o
Fast Current-Limit Response Time (5µs)
o
Tiny QFN and SOT23/SOT143 Packages
Ordering Information
PART
TEMP RANGE
PIN-PACKAGE
TOP
MARK
KAFE
AEAC
ABO
KAFF
ABP
MAX4789EUS-T
-40°C to +85°C 4 SOT143-4
MAX4789EUK-T -40°C to +85°C 5 SOT23-5
MAX4789ETT
MAX4790ETT
-40°C to +85°C 3 x 3 Thin QFN-EP*
-40°C to +85°C 3 x 3 Thin QFN-EP
MAX4790EUS-T
-40°C to +85°C 4 SOT143-4
Applications
PDAs and Palmtop Devices
Cell Phones
GPS Systems
Hand-Held Devices
SDIO
*EP
= Exposed pad.
Ordering Information continued at end of data sheet.
Selector Guide appears at end of data sheet.
Typical Operating Circuit
2.3V TO 5.5V
Pin Configurations
TOP VIEW
IN
IN
1
GND
2
ON
3
5
OUT
OUT
1
4
IN
ON
µP
MAX4789
MAX4791
MAX4793
MAX4789–
MAX4794
4
FLAG
GND
2
3
ON
MAX4789
MAX4791
MAX4793
GND
FLAG
TO SDIO PORT
OUT
SOT23
SOT143
Pin Configurations continued at end of data sheet.
________________________________________________________________
Maxim Integrated Products
1
For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at
1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.

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Is it lead-free? Lead free Lead free Lead free Lead free
Is it Rohs certified? conform to conform to conform to conform to
Parts packaging code QFN QFN QFN QFN
package instruction HVSON, HVSON, HVSON, HVSON,
Contacts 6 6 6 6
Reach Compliance Code compliant compliant compliant compliant
Base Number Matches 1 1 1 1
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