LTC3733CG The LTC3733CG from Linear Technology is a 3-phase synchronous buck controller designed for high current applications. It features a wide input voltage range and a specific operating temperature range.
Mfr Part #:

LTC3733CG

Available from 3 distributors
Mfr Name: LT
LT
The LTC3733CG from Linear Technology is a 3-phase synchronous buck controller designed for high current applications. It features a wide input voltage range and a specific operating temperature range.
✓ Total Stock: 632 pcs

LTC3733CG Available from 3 distributors

✓ Authorised
✓ Non-Authorised

LTC3733CG Specifications Quick View

Most important parameters for selection – full specs in datasheet.
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LTC3733CG Description

Short technical summary and product information.

The LTC3733CG is a 3-phase current mode controller from Linear Technology, designed to drive three synchronous buck stages 120° out of phase. This configuration minimizes input and output capacitor size due to ripple cancellation. It is suitable for applications requiring high efficiency and fast transient response, such as powering AMD Opteron and Athlon 64 processors which can draw significant current at low voltages.

 

Key electrical specifications include a maximum output current of 60A and a switch current of 60A. The input voltage range is from 4V to 36V, with output voltages ranging from 0.8V to 1.55V. The device operates at a typical switching frequency of 530kHz, with adjustable frequency ranges available. It also features selectable switching frequency, burst mode, and power good indication.

 

The LTC3733CG is housed in a 36-SSOP package and is designed for surface mount applications. Its operating temperature range is from 0°C to 70°C. The controller includes onboard MOSFET drivers and a differential amplifier for accurate VOUT sensing, ensuring excellent current sharing among phases for optimized thermal performance and size of inductors and MOSFETs.

LTC3733CG Quick Information

Product Type: DC DC Switching Controller
Canonical Name: LTC3733CG 3-Phase Buck Controller
Subcategory: Power Management ICs

LTC3733CG Compliance

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

LTC3733CG Features

  • 3-phase synchronous buck controller
  • 60A maximum output current
  • 4V to 36V input voltage range
  • 0°C to 70°C operating temperature
  • 36-SSOP surface mount package

LTC3733CG Applications

  • High performance power solutions
  • AMD Opteron and Athlon 64 CPUs
  • Low voltage, high current applications
  • Efficient power supply design
  • Optimized thermal performance

LTC3733CG FAQs

6 frequently asked questions generated from this part’s specifications.
What is the maximum output current for the LTC3733CG?

The LTC3733CG has a maximum output current of 60A.

What is the input voltage range for the LTC3733CG?

The input voltage range for the LTC3733CG is from 4V to 36V.

What is the operating temperature range of the LTC3733CG?

The LTC3733CG operates within a temperature range of 0°C to 70°C.

What package type is the LTC3733CG available in?

The LTC3733CG is available in a 36-SSOP package.

Is the LTC3733CG RoHS compliant?

The RoHS status for the LTC3733CG is RoHS3 Compliant.

What is the Moisture Sensitivity Level (MSL) for the LTC3733CG?

The Moisture Sensitivity Level (MSL) for the LTC3733CG is 1 Unlimited.

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