MAX4794ETT-T datasheet, PDF - EEWORLD Datasheet

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MAX4794ETT-T: DescriptionPower Switch ICs - Power Distribution; CategoryAnalog mixed-signal IC The signal circuit; File Size166KB，11 Pages; ManufacturerMaxim; Websitehttps://www.maximintegrated.com/en.html

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Power Switch ICs - Power Distribution

MAX4794ETT-T Parametric

Parameter Name	Attribute value
Is it lead-free?	Contains lead
Is it Rohs certified?	incompatible
Maker	Maxim
Parts packaging code	QFN
package instruction	3 X 3 MM, 0.80 MM HEIGHT, THIN, EXPOSED PAD, MO-220, QFN-6
Contacts	6
Reach Compliance Code	not_compliant
Analog Integrated Circuits - Other Types	ANALOG CIRCUIT
JESD-30 code	S-XDSO-N6
JESD-609 code	e0
length	3 mm
Humidity sensitivity level	1
Number of functions	1
Number of terminals	6
Maximum operating temperature	85 °C
Minimum operating temperature	-40 °C
Package body material	UNSPECIFIED
encapsulated code	HVSON
Encapsulate equivalent code	SOLCC6,.11,37
Package shape	SQUARE
Package form	SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE
Peak Reflow Temperature (Celsius)	240
power supply	2.5/5 V
Certification status	Not Qualified
Maximum seat height	0.8 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 mount	YES
technology	BICMOS
Temperature level	INDUSTRIAL
Terminal surface	Tin/Lead (Sn85Pb15)
Terminal form	NO LEAD
Terminal pitch	0.95 mm
Terminal location	DUAL
Maximum time at peak reflow temperature	20
width	3 mm

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19-2663; Rev 3; 10/08

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

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/MAX4790/MAX4791/MAX4793 are

also available 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

PIN-

PACKAGE

4 SOT143

5 SOT23

6 TDFN-EP*

4 SOT143

6 TDFN-EP

TOP

MARK

KAFE

AEAC

ABO

KAFF

ABP

Applications

PDAs and Palmtop Devices

Cell Phones

GPS Systems

Handheld Devices

SDIO

*EP = Exposed paddle.

+Denotes a lead-free/RoHS-compliant package.

T = Tape and reel.

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

GND

OUT

μP

MAX4789

MAX4791

MAX4793

MAX4789–

MAX4794

FLAG

GND

MAX4789

MAX4791

MAX4793

GND

FLAG

TO SDIO PORT

OUT

SOT23

SOT143

Pin Configurations continued at end of data sheet.

________________________________________________________________

Maxim Integrated Products

For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642,

or visit Maxim’s website at www.maxim-ic.com.

MAX4794ETT-T Related Products

	MAX4794ETT-T	MAX4793EUK-T	MAX4793ETT-T	MAX4790EUS-T	MAX4792EUS+T	MAX4789ETT-T	MAX4791EUK-T	MAX4794EUS-T
Description	Power Switch ICs - Power Distribution	Power Switch ICs - Power Distribution 200mA/250mA/300mA Current-Limit Switches	Power Switch ICs - Power Distribution	Power Switch ICs - Power Distribution	Power Switch ICs - Power Distribution 200/250/300mA Crnt Limit Switch	Power Switch ICs - Power Distribution	Power Switch ICs - Power Distribution	Power Switch ICs - Power Distribution 200mA/250mA/300mA Current-Limit Switches
Is it lead-free?	Contains lead	Contains lead	Contains lead	Contains lead	Lead free	Contains lead	Contains lead	Contains lead
Is it Rohs certified?	incompatible	incompatible	incompatible	incompatible	conform to	incompatible	incompatible	incompatible
Parts packaging code	QFN	SOT-23	QFN	SOT-143	SOT-143	QFN	SOT-23	SOT-143
package instruction	3 X 3 MM, 0.80 MM HEIGHT, THIN, EXPOSED PAD, MO-220, QFN-6	SOT-23, 5 PIN	3 X 3 MM, 0.80 MM HEIGHT, THIN, EXPOSED PAD, MO-220, QFN-6	SOT-143, 4 PIN	SOT-143, 4 PIN	3 X 3 MM, 0.80 MM HEIGHT, THIN, EXPOSED PAD, MO-220, QFN-6	SOT-23, 5 PIN	SOT-143, 4 PIN
Contacts	6	5	6	4	4	6	5	4
Reach Compliance Code	not_compliant	not_compliant	not_compliant	not_compliant	compliant	not_compliant	not_compliant	not_compliant
Analog Integrated Circuits - Other Types	ANALOG CIRCUIT	ANALOG CIRCUIT	ANALOG CIRCUIT	ANALOG CIRCUIT	ANALOG CIRCUIT	ANALOG CIRCUIT	ANALOG CIRCUIT	ANALOG CIRCUIT
JESD-30 code	S-XDSO-N6	R-PDSO-G5	S-XDSO-N6	R-PDSO-G4	R-PDSO-G4	S-XDSO-N6	R-PDSO-G5	R-PDSO-G4
JESD-609 code	e0	e0	e0	e0	e3	e0	e0	e0
length	3 mm	2.9 mm	3 mm	2.92 mm	2.92 mm	3 mm	2.9 mm	2.92 mm
Humidity sensitivity level	1	1	1	1	1	1	1	1
Number of functions	1	1	1	1	1	1	1	1
Number of terminals	6	5	6	4	4	6	5	4
Maximum operating temperature	85 °C	85 °C	85 °C	85 °C	85 °C	85 °C	85 °C	85 °C
Minimum operating temperature	-40 °C	-40 °C	-40 °C	-40 °C	-40 °C	-40 °C	-40 °C	-40 °C
Package body material	UNSPECIFIED	PLASTIC/EPOXY	UNSPECIFIED	PLASTIC/EPOXY	PLASTIC/EPOXY	UNSPECIFIED	PLASTIC/EPOXY	PLASTIC/EPOXY
encapsulated code	HVSON	LSSOP	HVSON	TSOP	TSOP	HVSON	LSSOP	TSOP
Encapsulate equivalent code	SOLCC6,.11,37	TSOP5/6,.11,37	SOLCC6,.11,37	TO-253	SOT-143R	SOLCC6,.11,37	TSOP5/6,.11,37	TO-253
Package shape	SQUARE	RECTANGULAR	SQUARE	RECTANGULAR	RECTANGULAR	SQUARE	RECTANGULAR	RECTANGULAR
Package form	SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE	SMALL OUTLINE, LOW PROFILE, SHRINK PITCH	SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE	SMALL OUTLINE, THIN PROFILE	SMALL OUTLINE, THIN PROFILE	SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE	SMALL OUTLINE, LOW PROFILE, SHRINK PITCH	SMALL OUTLINE, THIN PROFILE
Peak Reflow Temperature (Celsius)	240	240	240	240	260	240	240	240
power supply	2.5/5 V	2.5/5 V	2.5/5 V	2.5/5 V	2.5/5 V	2.5/5 V	2.5/5 V	2.5/5 V
Certification status	Not Qualified	Not Qualified	Not Qualified	Not Qualified	Not Qualified	Not Qualified	Not Qualified	Not Qualified
Maximum seat height	0.8 mm	1.45 mm	0.8 mm	1.22 mm	1.22 mm	0.8 mm	1.45 mm	1.22 mm
Maximum supply current (Isup)	0.16 mA	0.16 mA	0.16 mA	0.16 mA	0.16 mA	0.16 mA	0.16 mA	0.16 mA
Maximum supply voltage (Vsup)	5.5 V	5.5 V	5.5 V	5.5 V	5.5 V	5.5 V	5.5 V	5.5 V
Minimum supply voltage (Vsup)	2.3 V	2.3 V	2.3 V	2.3 V	2.3 V	2.3 V	2.3 V	2.3 V
Nominal supply voltage (Vsup)	3.3 V	3.3 V	3.3 V	3.3 V	3.3 V	3.3 V	3.3 V	3.3 V
surface mount	YES	YES	YES	YES	YES	YES	YES	YES
technology	BICMOS	BICMOS	BICMOS	BICMOS	BICMOS	BICMOS	BICMOS	BICMOS
Temperature level	INDUSTRIAL	INDUSTRIAL	INDUSTRIAL	INDUSTRIAL	INDUSTRIAL	INDUSTRIAL	INDUSTRIAL	INDUSTRIAL
Terminal surface	Tin/Lead (Sn85Pb15)	Tin/Lead (Sn85Pb15)	Tin/Lead (Sn85Pb15)	Tin/Lead (Sn85Pb15)	Tin (Sn)	Tin/Lead (Sn85Pb15)	Tin/Lead (Sn85Pb15)	Tin/Lead (Sn85Pb15)
Terminal form	NO LEAD	GULL WING	NO LEAD	GULL WING	GULL WING	NO LEAD	GULL WING	GULL WING
Terminal pitch	0.95 mm	0.95 mm	0.95 mm	1.92 mm	1.92 mm	0.95 mm	0.95 mm	1.92 mm
Terminal location	DUAL	DUAL	DUAL	DUAL	DUAL	DUAL	DUAL	DUAL
Maximum time at peak reflow temperature	20	20	20	20	NOT SPECIFIED	20	20	20
width	3 mm	1.625 mm	3 mm	1.3 mm	1.3 mm	3 mm	1.625 mm	1.3 mm
Maker	Maxim	Maxim	-	-	Maxim	Maxim	-	Maxim

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