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L6599D The STMicroelectronics L6599D is a high-voltage resonant controller IC designed for power supply applications. It operates with a 50% duty cycle and variable frequency up to 500 kHz.
Mfr Part #:

L6599D

Available from 2 distributors
Mfr Name: STMicroelectronics
STMicroelectronics
The STMicroelectronics L6599D is a high-voltage resonant controller IC designed for power supply applications. It operates with a 50% duty cycle and variable frequency up to 500 kHz.
✓ Total Stock: 6,851 pcs
$ Price Range: $0.75

L6599D Available from 2 distributors

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Fe Components ✓
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3,750 pcs
On Request
3750 pcs On Request 1 On Request On Request On Request On Request On Request
Xingangxin ✓
Non-Authorised Inventory information
3,101 pcs
On Request
3101 pcs On Request 1 On Request On Request On Request On Request On Request
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L6599D Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Applications
Current
Duty Cycle
Mounting Type
Operating Temperature
Supplier Device Package
Voltage
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L6599D Description

Short technical summary and product information.

The L6599D from STMicroelectronics is a high-voltage resonant controller IC, suitable for applications such as LCD and PDP TVs, desktop PCs, servers, telecom SMPS, and AC-DC adapters. This device features a 50% duty cycle with variable frequency control for resonant half-bridge configurations, capable of operating up to 500 kHz.

 

Key electrical characteristics include a supply voltage range of 8.85V to 16V and a supply current of 3.5 mA. The operating temperature range is from 0°C to 105°C. The controller includes features like a high-accuracy oscillator, two-level over-current protection (frequency-shift and latched shutdown), and a non-linear soft-start for monotonic output voltage rise.

 

It is housed in a 16-SOIC surface mount package. The high-side and low-side gate drivers are rated for -300/800 mA and include UVLO pull-down protection. The device also offers a 600V-rail compatible high-side gate driver with integrated bootstrap diode and high dV/dt immunity.

 

This product is marked as 'Not for new design', indicating it is still in production but not recommended for new design implementations.

L6599D Quick Information

Product Type: Power Supply Controller
Canonical Name: L6599D High-voltage resonant controller
Subcategory: Power Supply Controllers

L6599D Compliance

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

L6599D Estimated Pricing

Qty Low High
1+ $0.75 $0.75

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

L6599D Features

  • Variable frequency control up to 500 kHz.
  • 50% duty cycle for resonant half-bridge.
  • Wide supply voltage range of 8.85V to 16V.
  • Operates from 0°C to 105°C.
  • Surface mount 16-SOIC package.

L6599D Applications

  • Ideal for LCD and PDP TV power supplies.
  • Suitable for desktop PC and server SMPS.
  • Used in telecom power supply modules.
  • Applicable for AC-DC adapters.

L6599D FAQs

7 frequently asked questions generated from this part’s specifications.
What is the operating frequency range for the L6599D?

The L6599D can operate at frequencies up to 500 kHz.

What is the duty cycle of the L6599D resonant controller?

The L6599D features a 50% duty cycle.

What is the supply voltage range for the L6599D?

The L6599D operates within a supply voltage range of 8.85V to 16V.

What is the operating temperature range for the L6599D?

The L6599D can be operated within a temperature range of 0°C to 105°C.

What package type is the L6599D available in?

The L6599D is available in a 16-SOIC package.

What are the applications for the L6599D?

The L6599D is used in applications such as LCD and PDP TVs, desktop PCs, entry-level servers, telecom SMPS, and AC-DC adapters.

Is the L6599D recommended for new designs?

No, the L6599D is information on a product still in production but not recommended for new designs.

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