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LM5109BSDX The Texas Instruments LM5109BSDX is a half-bridge gate driver designed for N-channel MOSFETs. It offers 1A peak output current and operates with an input voltage range of 8V to 14V.
Mfr Part #:

LM5109BSDX

Available from 1 distributors
Mfr Name: Texas Instruments
Texas Instruments
The Texas Instruments LM5109BSDX is a half-bridge gate driver designed for N-channel MOSFETs. It offers 1A peak output current and operates with an input voltage range of 8V to 14V.
✓ Total Stock: 4,500 pcs
$ Price Range: $2.01

LM5109BSDX Available from 1 distributor

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Smaxon Electronics ✓
Non-Authorised Inventory information
4,500 pcs
On Request
4500 pcs On Request 1 On Request On Request 21+ On Request On Request
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LM5109BSDX Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Channel Type
Current
Driven Configuration
Gate Type
High Side Voltage
Input Type
Logic Voltage
Mounting Type
Number of Drivers
Operating Temperature
Rise
Supplier Device Package
Voltage
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LM5109BSDX Description

Short technical summary and product information.

The LM5109BSDX from Texas Instruments is a high-voltage gate driver capable of driving both high-side and low-side N-channel MOSFETs in half-bridge configurations. It features a 1A peak output current, supporting both sink and source capabilities.

 

This device operates with an input supply voltage between 8V and 14V, and its bootstrap supply can reach up to 108V DC. Key electrical characteristics include fast propagation times of 30 ns typical, and it can drive a 1000 pF load with 15 ns rise and fall times. Excellent propagation delay matching of 2 ns typical is also provided.

 

The LM5109BSDX includes supply rail under-voltage lockout for both high-side and low-side power rails, with a typical lockout voltage of 8V. It is designed for a wide operating temperature range of -40°C to 125°C.

 

Packaged in an 8-WSON (4x4 mm) with an exposed pad, this surface-mount component is suitable for various power conversion applications. Its independent TTL compatible inputs allow for flexible control.

LM5109BSDX Quick Information

Product Type: Gate Driver
Canonical Name: Texas Instruments LM5109BSDX Half-Bridge Gate Driver

LM5109BSDX Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

LM5109BSDX Estimated Pricing

Qty Low High
1+ $2.01 $2.01

Estimated market price range - modelled values for guidance only, not live distributor offers.

LM5109BSDX Features

  • Drives high-side and low-side MOSFETs.
  • 1A peak output current.
  • Bootstrap supply up to 108V.
  • Fast 30ns propagation delay.
  • Surface mount 8-WSON package.

LM5109BSDX Applications

  • Used in half-bridge converters.
  • Suitable for synchronous buck designs.
  • Applicable in solid-state motor drives.
  • Powers current-fed push-pull converters.

LM5109BSDX FAQs

7 frequently asked questions generated from this part’s specifications.
What is the input supply voltage range of the LM5109BSDX?

The input supply voltage ranges from 8V to 14V.

What package is the LM5109BSDX available in?

The LM5109BSDX comes in an 8-WSON (4x4) surface-mount package.

What is the operating temperature range of the LM5109BSDX?

It operates over -40°C to 125°C.

What is the peak output current capability?

The device can sink and source 1A peak current.

What is the bootstrap supply voltage rating?

The bootstrap supply can handle up to 108V DC.

What is the propagation delay of the LM5109BSDX?

Typical propagation delay is 30 ns.

What is the undervoltage lockout threshold?

The undervoltage lockout is typically 8V.

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