MIC2026A Datasheet PDF - Micrel Semiconductor

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MIC2026A
Micrel Semiconductor

Part Number MIC2026A
Description Dual-Channel Power Distribution Switch
Page 16 Pages


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MIC2026/2076
Micrel
MIC2026/2026A/2076/2076A
Dual-Channel Power Distribution Switch
General Description
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 shut-
down fault occurs, the output is latched off until the faulty load
is removed. Removing the load or toggling the enable input
will reset the device output.
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.
The MIC2026/76 are available in 8-pin DIP or 8-lead SOP.
Features
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 asser-
tions (MIC2026A/2076A with 10ms filter)
Undervoltwww.sony.com/clieage lockout
Reverse current flow blocking (no body diode)
Circuit breaker mode (MIC2076)
Logic-compatible inputs
Soft-start circuit
Low quiescent current
Pin compatible with MIC2526
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
FLGA
FLGB
ENB
OUTA
IN
GND
OUTB
Load
0.1µF
Load
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
February 1, 2001
1
MIC2026/2076

MIC2026A datasheet pdf
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MIC2026A pdf
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