MIC2076 Datasheet PDF - Micrel Semiconductor

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MIC2076
Micrel Semiconductor

Part Number MIC2076
Description Dual-Channel Power Distribution Switch
Page 16 Pages

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MIC2026/2076
Dual-Channel Power Distribution Switch
General Description
Features
The MIC2026 and MIC2076 are high-side MOSFET
switches optimized for general-purpose power distribution
requiring circuit protection.
The MIC2026/76 are internally current limited and have
thermal shutdown that protects the device and load.
The MIC2076 offers “smart” thermal shutdown that
reduces current consumption in fault modes. When a
thermal shutdown fault occurs, the output is latched off
until the faulty load is removed. Removing the load or
140mmaximum on-resistance per channel
2.7V to 5.5V operating range
500mA minimum continuous current per channel
Shortcircuit protection with thermal shutdown
Thermally isolated channels
Fault status flag with 3ms filter eliminates false
assertions
Undervoltage lockout
toggling the enable input will reset the device output.
Reverse current flow blocking (no “body diode”)
Both devices employ soft-start circuitry that minimizes
inrush current in applications where highly capacitive loads
are employed.
A fault status output flag is asserted during overcurrent
and thermal shutdown conditions. Transient faults are
internally filtered.
Circuit breaker mode (MIC2076)
Logic-compatible inputs
Soft-start circuit
Low quiescent current
Pin compatible with MIC2526
The MIC2026/76 are available in 8-pin DIP or 8-pin SOIC. UL File # E179633
All support documentation can be found on Micrel’s web
site at www.micrel.com.
Applications
USB peripherals
General purpose power switching
ACPI power distribution
Notebook PCs
PDAs
PC card hot swap
___________________________________________________________________________________________________________
Typical Application
VCONT.
10k
10k
Logic Controller
VIN ON/OFF
OVERCURRENT
OVERCURRENT
ON/OFF
VCC
2.7V to 5.5V
MIC2026-2
ENA
FLGAI
FLGB
ENB
OUTA
N
GND
OUTB
Load
0.1µF
Load
UL Recognized Component
Micrel Inc. • 2180 Fortune Drive • San Jose, CA 95131 • USA • tel +1 (408) 944-0800 • fax + 1 (408) 474-1000 • http://www.micrel.com
June 2010
M9999-060410-B

MIC2076 datasheet pdf
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