MAX4773EUT+T by Analog Devices

200mA/500mA Selectable Current-Limit Switches


The MAX4772/MAX4773 switches feature selectable internal current limiting to prevent damage to host devices due to faulty load conditions. The MAX4772/MAX4773 include a logic input to select a guaranteed 200mA or 500mA current limit, making them ideal for SDIO and other load-switching applications. These analog switches have a low 0.2Ω on-resistance and operate from a 2.0V to 4.5V input voltage range. When the switch is on and a load is connected to the port, a guaranteed blanking time of 14ms ensures that the transient voltage settles down. If, after this blanking time, the load current is greater than the current limit, the MAX4772 switch is turned off and issues an active-low FLAG to the microprocessor. The switch can be turned on again by cycling the power or the ON input. The MAX4773 has an autoretry feature where the switch turns off and issues an active-low FLAG to the microprocessor 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 and active-low FLAG deasserts. The MAX4772/MAX4773 are available in tiny space-saving 6-pin SOT23 and 6-pin TDFN (3mm x 3mm) packages.

Where to Buy

Prices starting from US$0.54

Distributor Stock
Logo for Farnell
Farnell
from US$1.89
2,496
in stock
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Logo for element14
element14
from US$2.15
2,496
in stock
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Logo for Analog Devices
Analog Devices
from US$2.05
496
in stock
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Logo for Newark Electronics
Newark Electronics
from US$0.54
50
in stock
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Features

Guaranteed Current Limit: 200mA or 500mA
Thermal-Shutdown Protection
Reverse-Current Protection
0.2Ω On-Resistance (SEL = High)
14ms Guaranteed Blanking Time
Active-Low FLAG Function
Autoretry (MAX4773)
80µA Supply Current
6µA Latch-Off Current (MAX4772)
0.01µA Shutdown Current
2.0V to 4.5V Supply Range
Fast Current-Limit Response Time
Tiny SOT23 and TDFN Packages
UL Certification Pending

Specifications

Current Limit (mA) (min) 200
Current Limit (mA) (max) 500
# Power Switches 1
Fault Indicator Yes
Current Limit Accuracy (%) 23
Current Limit Set By Pin Select
Lowest Adj. Setting (A) 0.2
RON (Ω) (typ) 0.2
VSUPPLY (V) (min) 2
VSUPPLY (V) (max) 4.5
Oper. Temp. (°C) -40 to +85
Package/Pins SOT23/6
BudgetaryPrice (See Notes) 1.42


MAX4773EUT+T Semiconductors - ICs by Analog Devices

POWER LOAD SW AUTO HIGH SIDE SOT23

Status: Unknown
Series: -
RoHS: Unknown
Download Datasheet Visit Manufacturer Site View Pricing & Stock

Specifications

Power Load Switch Type High Side
Input Voltage 4.5V
Current Limit 800mA
On State Resistance 0.18ohm
Distribution Switch Case Style SOT-23
No. of Pins 6Pins
Thermal Protection Yes
On / Enable Input Polarity Active High
No. of Outputs 1Outputs
Operating Temperature Min -40°C
Operating Temperature Max 85°C
Product Range -
Automotive Qualification Standard AEC-Q100
MSL MSL 1 - Unlimited
SVHC No SVHC (15-Jan-2018)

Alternative Descriptions

POWER LOAD SW, AUTO, HIGH SIDE, SOT23 | element14
200mA/500mA Selectable Current | Analog Devices
Power Load Sw, Aec-Q100, High Side, Sot23 | Newark Electronics

Frequently Asked Questions

Where can I find additional details, specifications and documents for a MAX4773EUT+T ?

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Is the MAX4773EUT+T RoHS compliant?

This part has not been flagged as RoHS Compliant.

Which authorised distributors for MAX4773EUT+T have stock available?

Authorised distributors including element14, Farnell, Analog Devices and Newark Electronics have stock available or on a lead time for MAX4773EUT+T .

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