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MAX4794ETT

Description
SPECIALTY ANALOG CIRCUIT, PDSO5
CategoryAnalog mixed-signal IC    The signal circuit   
File Size323KB,12 Pages
ManufacturerMaxim
Websitehttps://www.maximintegrated.com/en.html
Related ProductsFound3parts with similar functions to MAX4794ETT
Download Datasheet Parametric View All

MAX4794ETT Overview

SPECIALTY ANALOG CIRCUIT, PDSO5

MAX4794ETT Parametric

Parameter NameAttribute value
Is it lead-free?Contains lead
Is it Rohs certified?incompatible
Parts packaging codeQFN
package instruction3 X 3 MM, 0.80 MM HEIGHT, THIN, EXPOSED PAD, MO-220, QFN-6
Contacts6
Reach Compliance Code_compli
ECCN codeEAR99
Factory Lead Time1 week
Analog Integrated Circuits - Other TypesANALOG CIRCUIT
JESD-30 codeS-XDSO-N6
JESD-609 codee0
length3 mm
Humidity sensitivity level1
Number of functions1
Number of terminals6
Maximum operating temperature85 °C
Minimum operating temperature-40 °C
Package body materialUNSPECIFIED
encapsulated codeHVSON
Encapsulate equivalent codeSOLCC6,.11,37
Package shapeSQUARE
Package formSMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE
Peak Reflow Temperature (Celsius)240
power supply2.5/5 V
Certification statusNot Qualified
Maximum seat height0.8 mm
Maximum supply current (Isup)0.16 mA
Maximum supply voltage (Vsup)5.5 V
Minimum supply voltage (Vsup)2.3 V
Nominal supply voltage (Vsup)3.3 V
surface mountYES
technologyBICMOS
Temperature levelINDUSTRIAL
Terminal surfaceTin/Lead (Sn85Pb15)
Terminal formNO LEAD
Terminal pitch0.95 mm
Terminal locationDUAL
Maximum time at peak reflow temperature20
width3 mm
Base Number Matches1
19-2663; Rev 2; 2/05
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 3mm x
3mm TDFN and tiny space-saving 4-pin SOT143 pack-
ages. The MAX4789/MAX4791/MAX4793 are also avail-
able in a tiny 5-pin SOT23 package. For lower current
current-limiting switches, refer to the MAX4785–MAX4788
data sheet.
Features
Guaranteed Current Limit: 200mA, 250mA, 300mA
Thermal-Shutdown Protection
Reverse Current Protection
0.2Ω On-Resistance
14ms Guaranteed Blanking Time
FLAG
Function (MAX4789/MAX4791/MAX4793)
80µA Supply Current
8µA Latch-Off Current
(MAX4789/MAX4791/MAX4793)
0.01µA Shutdown Current
2.3V to 5.5V Supply Range
Undervoltage Lockout
Fast Current-Limit Response Time (5µs)
TDFN and SOT23/SOT143 Packages
MAX4789–MAX4794
Ordering Information
PART
MAX4789EUS-T
MAX4789EUK-T
MAX4789ETT
MAX4790EUS-T
MAX4790ETT
TEMP RANGE
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
PIN-PACKAGE
4 SOT143-4
5 SOT23-5
6 TDFN-EP*
4 SOT143-4
6 TDFN-EP
TOP
MARK
KAFE
AEAC
ABO
KAFF
ABP
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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