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MAX890LESA-T

Description
Power Switch ICs - Power Distribution 1.2A Current-Limited High-Side PCh Switch
CategoryPower/power management    The power supply circuit   
File Size383KB,8 Pages
ManufacturerMaxim
Websitehttps://www.maximintegrated.com/en.html
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MAX890LESA-T Overview

Power Switch ICs - Power Distribution 1.2A Current-Limited High-Side PCh Switch

MAX890LESA-T Parametric

Parameter NameAttribute value
Is it lead-free?Contains lead
Is it Rohs certified?incompatible
MakerMaxim
Parts packaging codeSOIC
package instructionSOP,
Contacts8
Reach Compliance Codenot_compliant
ECCN codeEAR99
Analog Integrated Circuits - Other TypesSWITCHING REGULATOR
Maximum input voltage5.5 V
Minimum input voltage2.7 V
Nominal input voltage3 V
JESD-30 codeR-PDSO-G8
JESD-609 codee0
length4.9 mm
Humidity sensitivity level1
Number of functions1
Number of terminals8
Maximum operating temperature85 °C
Minimum operating temperature-40 °C
Maximum output current1.2 A
Nominal output voltage5 V
Package body materialPLASTIC/EPOXY
encapsulated codeSOP
Package shapeRECTANGULAR
Package formSMALL OUTLINE
Peak Reflow Temperature (Celsius)245
Certification statusNot Qualified
Maximum seat height1.75 mm
Maximum supply current (Isup)0.05 mA
surface mountYES
Switch configurationSINGLE
Temperature levelINDUSTRIAL
Terminal surfaceTin/Lead (Sn/Pb)
Terminal formGULL WING
Terminal pitch1.27 mm
Terminal locationDUAL
Maximum time at peak reflow temperatureNOT SPECIFIED
width3.9 mm
19-1146; Rev 4; 4/11
1.2A, Current-Limited, High-Side
P-Channel Switch with Thermal Shutdown
General Description
The MAX890L smart, low-voltage, P-channel, MOSFET
power switch is intended for high-side load-switching
applications. This switch operates with inputs from
+2.7V to +5.5V, making it ideal for both +3V and +5V
systems. Internal current-limiting circuitry protects the
input supply against overload. Thermal-overload pro-
tection limits power dissipation and junction tempera-
tures.
The MAX890L’s maximum current limit is 1.2A. The cur-
rent limit through the switch is programmed with a
resistor from SET to ground. The quiescent supply cur-
rent is a low 10µA. When the switch is off, the supply
current decreases to 0.1µA.
The MAX890L is available in an 8-pin SO package.
+2.7V to +5.5V Input Range
Programmable Current Limit
Low Quiescent Current
10µA (typ) at V
IN
= +3.3V
0.1µA (typ) with Switch Off
Thermal Shutdown
FAULT
Indicator Output
0.09Ω (typ) On-Resistance
Features
MAX890L
Applications
PCMCIA Slots
Access Bus Slots
Portable Equipment
PART
MAX890LC/D
MAX890LESA+
MAX890LESA/V+
Ordering Information
TEMP RANGE
0°C to +70°C
PIN-
PACKAGE
Dice**
CURRENT
LIMIT
1.2A
1.2A
1.2A
-40°C to +85°C 8 SO
-40°C to +85°C 8 SO
*To
order this unit in tape and reel, add (T) to the end of the
part number.
**Dice
are tested at T
A
= +25°C.
+Denotes
a lead(Pb)-free/RoHS-compliant package.
/V denotes an automotive qualified part.
Typical Operating Circuit
Pin Configuration
TOP VIEW
INPUT
IN
IN
100kΩ
FAULT
1μF
GND
ON
SET
R
SET
ON/OFF
ON
3
GND
4
OUT
OUTPUT
0.1μF
+
IN
1
IN
2
8
FAULT
MAX890L
OUT
MAX890L
7
OUT
6
OUT
5
SET
SO
________________________________________________________________
Maxim Integrated Products
1
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.

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