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MIC2536-2BMTR

Description
Power Supply Support Circuit, Fixed, 2 Channel, PDSO8, SOP-8
CategoryPower/power management    The power supply circuit   
File Size113KB,13 Pages
ManufacturerMicrel ( Microchip )
Websitehttps://www.microchip.com
Download Datasheet Parametric View All

MIC2536-2BMTR Overview

Power Supply Support Circuit, Fixed, 2 Channel, PDSO8, SOP-8

MIC2536-2BMTR Parametric

Parameter NameAttribute value
MakerMicrel ( Microchip )
Parts packaging codeSOIC
package instructionSOP,
Contacts8
Reach Compliance Codeunknown
ECCN codeEAR99
Adjustable thresholdNO
Analog Integrated Circuits - Other TypesPOWER SUPPLY SUPPORT CIRCUIT
JESD-30 codeR-PDSO-G8
JESD-609 codee0
length4.9 mm
Humidity sensitivity level1
Number of channels2
Number of functions2
Number of terminals8
Maximum operating temperature85 °C
Minimum operating temperature-40 °C
Package body materialPLASTIC/EPOXY
encapsulated codeSOP
Package shapeRECTANGULAR
Package formSMALL OUTLINE
Peak Reflow Temperature (Celsius)240
Certification statusNot Qualified
Maximum seat height1.879 mm
Maximum supply voltage (Vsup)5.5 V
Minimum supply voltage (Vsup)2.7 V
Nominal supply voltage (Vsup)5 V
surface mountYES
Temperature levelINDUSTRIAL
Terminal surfaceTIN LEAD
Terminal formGULL WING
Terminal pitch1.27 mm
Terminal locationDUAL
Maximum time at peak reflow temperature30
width3.9 mm
MIC2536
Micrel
MIC2536
Dual USB Power Distribution Switch
Final Information
General Description
The MIC2536 is a cost-effective high-side power switch, with
two independently controlled channels, optimized for bus-
powered Universal Serial Bus (USB) applications. Few exter-
nal components are necessary to satisfy USB requirements.
Each switch channel of the MIC2536 will supply up to 100mA
as required for USB bus-powered downstream devices. Fault
current is limited to typically 275mA by fast-acting current-
limit circuitry which minimizes voltage droop on the upstream
port during fault conditions. A flag output with transient filter
indicates fault conditions to the local USB controller but will
ignore short flag signals resulting from inrush current during
hot plug-in events.
Soft start eliminates the momentary voltage droop on other
ports that may occur when the switch is enabled in bus-
powered applications. Additional features include thermal
shutdown to prevent catastrophic switch failure from high-
current loads and 3.3V and 5V logic compatible enable
inputs.
The MIC2536 is available in active-high and active-low ver-
sions in 8-lead SOP and MSOP.
Features
Compliant to USB specifications
2.7V to 5.5V operating range
150mA minimum continuous load current per channel
400mΩ typical on-resistance
Fast-acting short circuit protection with
thermal shutdown
Integrated filter eliminates
false overcurrent flag assertions
Individual open-drain fault flag pins with transient filter
3V/5V-compatible enable inputs
Active-high (-1) and active-low (-2) versions
Reverse-current blocking in off mode (no “body diode”)
Soft-start circuit
100µA maximum on-state supply current
<1µA typical off-state supply current
–40°C to 85°C operation
USB keyboard bus-powered hubs
USB bus-powered docking stations
Note Book PCs
PDAs
General purpose power distribution applications
PC board hot swap
Inrush current-limiting
Applications
Typical Application
10k
4.50V to 5.25V
Upstream V
BUS
100mA max.
V
BUS
D+
D–
GND
4.7µF
1.5k
MIC5207-3.3
IN
OUT
GND
1µF
10k
3.3V USB Controller
VIN
ON/OFF
OVERCURRENT
OVERCURRENT
ON/OFF
MIC2536-2
ENA
FLGA
FLGB
ENB
OUTA
IN
GND
OUTB
63µF
0.1µF
Ferrite
Beads
V
BUS
D+
.01µF
D–
GND
USB
Port 1
V
BUS
D+
.01µF
63µF
D–
GND
Data
(Two Pair)
to USB
Controller
USB
Port 2
Data
Typical Two-Port Bus-Powered Hub
UL Recognized Component
Micrel, Inc. • 1849 Fortune Drive • San Jose, CA 95131 • USA • tel + 1 (408) 944-0800 • fax + 1 (408) 944-0970 • http://www.micrel.com
March 2000
1
MIC2536
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