Instrukcja obsługi Microchip MIC5018


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2021 Microchip Technology Inc. and its subsidiaries DS20006631A-page 1
MIC5018
Features
+2.7V to +9V Operation
150 μA Typical Supply Current at 5V Supply
≤1 μA Typical Standby (Off) Current
Charge Pump for High-Side Low-Voltage
Applications
Internal Zener Diode Gate-to-Ground MOSFET
Protection
Operates in Low- and High-Side Configurations
TTL Compatible Input
ESD Protected
Applications
Battery Conservation
Power Bus Switching
Solenoid and Motion Control
Lamp Control
Package Type
General Description
The MIC5018 high-side MOSFET driver is designed to
switch an N-channel enhancement-type MOSFET from
a TTL compatible control signal in high- or low-side
switch applications. This driver features the tiny 4-lead
SOT-143 package.
The MIC5018 is powered from a +2.7V to +9V supply
and features extremely low off-state supply current. An
internal charge pump drives the gate output higher than
the driver supply voltage and can sustain the gate
voltage indefinitely. An internal Zener diode limits the
gate-to-source voltage to a safe level for standard
N-channel MOSFETs.
In high-side configurations, the source voltage of the
MOSFET approaches the supply voltage when
switched on. To keep the MOSFET turned on, the
MIC5018’s output drives the MOSFET gate voltage
higher than the supply voltage. In a typical high-side
configuration, the driver is powered from the load
supply voltage. Under some conditions, the MIC5018
and MOSFET can switch a load voltage that is slightly
higher than the driver supply voltage.
In a low-side configuration, the driver can control a
MOSFET that switches any voltage up to the rating of
the MOSFET. The gate output voltage is higher than
the typical 3.3V or 5V logic supply and can fully
enhance a standard MOSFET.
The MIC5018 is available in the SOT-143 package and
is rated for –40°C to +85°C ambient temperature
range.
SOT-143 (M4)
Early production identification: MH10
MIC5018
High-Side MOSFET Driver


Specyfikacje produktu

Marka: Microchip
Kategoria: nieskategoryzowany
Model: MIC5018

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