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LTC1981ES5 DataSheet

LTC1981ES5 DataSheet

Part No.
LTC1981ES5
Part Marking
LTSF
Temperature
–40°C to 85°C
Package
5-LEAD PLASTIC SOT-23
File Size
140 KB
Page
8 Pages
Manufacturer
Linear Technology
Views
2
Upload Time
2022-06-10 12:10:40
Update Time
2022-06-10
Description
IC GATE DRVR HIGH-SIDE TSOT23-5
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LTC1981ES5 Features

■ No External Components Required
■ Internal Voltage Triplers Produce High Side Gate Drive for Logic Level FETs
■ Ultralow Power:
 □ 20µA ON Current (LTC1981)
 □ <1µA Shutdown Current
■ VCC Range: 1.8V to 5V
■ Gate Drive Outputs Driven to Ground During Shutdown
■ Gate Drive Outputs Internally Clamped to 7.5V Max
■ “Gate Drive Ready” Output (LTC1981)
■ Ultrasmall Application Circuit
■ 5-Pin SOT-23 Package (LTC1981)

LTC1981ES5 Applications

■ Cellular Telephones
■ Portable POS Terminal
■ Handheld Battery Powered Equipment

LTC1981ES5 Description

The LTC1981ES5 are low-power, self-contained N-channel MOSFET drivers. An internal voltage tripler allows gates to be driven without the use of any external components. Internal regulation circuitry allows quiescent current to drop to 10µA per driver (20µA for LTC1981) once the gates are charged.

Low quiescent current and low shutdown current (under 1µA) make these parts ideal for battery and other power constrained systems. The wide input voltage range accommodates a variety of battery/input configurations.

Gate drive is internally clamped to 7.5V providing protection to the external MOSFET gate. The MOSFETs can be driven in either high side or low side mode.

The LTC1981 single driver version also includes a gate drive ready pin and twice the drive current capacity of the dual driver LTC1982.

The LTC1981 is available in a 5-pin SOT-23.

Related LTC1981ES5 Datasheet

Part No.
Datasheet
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