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LT1959IR The LT1959IR is an adjustable DC-DC switching regulator from Analog Devices, capable of Step-Down and Step-Up/Down operations. It features a 4.5A output current and operates at a 500kHz switching frequency.
Mfr Part #:

LT1959IR

Available from 2 distributors
Mfr Name: Linear Technology
Linear Technology
The LT1959IR is an adjustable DC-DC switching regulator from Analog Devices, capable of Step-Down and Step-Up/Down operations. It features a 4.5A output current and operates at a 500kHz switching frequency.
✓ Total Stock: 6,908 pcs
$ Price Range: $1.08

LT1959IR Available from 2 distributors

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Components Technology Group, Inc. ✓
Non-Authorised Inventory information
6,898 pcs
On Request
6898 pcs On Request 1 On Request On Request On Request On Request On Request
Hybrid Electronics ✓
Non-Authorised Inventory information
10 pcs
On Request
10 pcs On Request 1 On Request On Request On Request On Request On Request
DistyParts aggregates offers from multiple distributors. Final prices, lead times and terms are subject to the distributors' discretion and may change without prior notice. DistyParts is not liable for any discrepancies.

LT1959IR Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Current
Frequency
Function
Mounting Type
Number of Outputs
Operating Temperature
Output Configuration
Output Type
Supplier Device Package
Supplier Package
Synchronous Rectifier
Topology
Voltage
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LT1959IR Description

Short technical summary and product information.

The LT1959IR is a versatile DC-DC switching regulator manufactured by Analog Devices, designed for efficient power conversion. This component supports both Step-Down and Step-Up/Down (SEPIC) topologies, offering flexibility in power supply design.

 

Key electrical characteristics include an adjustable output voltage, a maximum output current of 4.5A (Switch), and a switching frequency of 500kHz. It operates within a temperature range of -40°C to 125°C (TJ).

 

The device is housed in a TO-263-8, D²Pak (7 Leads + Tab), TO-263CA package, suitable for surface mounting. Its robust design makes it suitable for various power management applications requiring stable and adjustable voltage regulation.

LT1959IR Quick Information

Product Type: DC DC Switching Regulator
Canonical Name: LT1959IR Adjustable Step-Down, Step-Up/Down DC-DC Switching Regulator
Subcategory: DC-DC Switching Regulator

LT1959IR Compliance

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

LT1959IR Estimated Pricing

Qty Low High
1+ $1.08 $1.08

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

LT1959IR Features

  • Adjustable output voltage capability.
  • Supports Step-Down and Step-Up/Down topologies.
  • 4.5A switch current rating.
  • 500kHz switching frequency.
  • Surface mount TO-263-8 package.

LT1959IR Applications

  • Power supply design flexibility.
  • Efficient voltage regulation.
  • Suitable for various electronic systems.
  • Compact power solutions.

LT1959IR FAQs

6 frequently asked questions generated from this part’s specifications.
What is the operating temperature range of the LT1959IR?

The LT1959IR operates over a junction temperature range of -40°C to 125°C.

What is the switching frequency of the LT1959IR?

The switching frequency is 500kHz.

What is the maximum output current of the LT1959IR?

The maximum output current is 4.5A.

What package is the LT1959IR available in?

The LT1959IR is available in a TO-263-8, D²Pak (7 Leads + Tab), TO-263CA surface-mount package, also known as 7-DDPAK.

What topologies does the LT1959IR support?

The LT1959IR supports buck and SEPIC topologies.

Is the LT1959IR a synchronous rectifier regulator?

No, the LT1959IR does not have a synchronous rectifier.

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