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L6599D L6599DTR - NBTC
Sale!

L6599D L6599DTR

Original price was: $0.99.Current price is: $0.90.

L6599D L6599DTR

  • Shipping Date: Shipping out within 3 days after full payment.
  • Payment Method: Wire Transfer | BTC | USDT(ERC20/TRC20)

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描述

Original L6599DTR L6599 Marking L6599D Power Supply High voltage resonant controller SOIC-16 for APW12 / PSU3300-01 PLUS1 PSU

 The L6599 is a double-ended controller specific for the resonant half-bridge topology. It provides 50 % complementary duty cycle: the high-side switch and the low-side switch are driven ON\OFF 180° out-of-phase for exactly the same time. Output voltage regulation is obtained by modulating the operating frequency. A fixed deadtime inserted between the turn-OFF of one switch and the turn-ON of the other one Guarantees soft-switching and enables high-frequency operation. To drive the high-side switch with the bootstrap approach, the IC incorporates a high-voltage floating structure able to withstand more than 600 V with a synchronous-driven high-voltage DMOS that replaces the external fast-recovery bootstrap diode. The IC enables the designer to set the operating frequency range of the converter by means of an externally programmable oscillator. At start-up, to prevent uncontrolled inrush current, the switching frequency starts from a programmable maximum value and progressively decays until it reaches the steady -state value determined by the control loop. This frequency shift is non linear to minimize output voltage overshoots; its duration is programmable as well. The IC can be forced to enter a controlled burst-mode operation at light load, so as to keep converter’s input consumption to a minimum. IC’s functions include a not-latched active-low disable input with current hysteresis useful for power sequencing or for brownout protection, a current sense input for OCP with frequency shift and delayed shutdown with automatic restart. A higher level OCP latches off the IC if the first-level protection is not sufficient to control the primary current. Their combination offers complete protection against overload and short circuits. An additional latched disable input (DIS) allows easy implementation of OTP and/or OVP. An interface with the PFC controller is provided that enables to switch off the pre-regulator during fault conditions, such as OCP shutdown and DIS high, or during burst-mode operation

Features

■ 50 % duty cycle, variable frequency control of resonant half-bridge
■ High-accuracy oscillator
■ Up to 500 kHz operating frequency
■ Two-level OCP: frequency-shift and latched shutdown
■ Interface with PFC controller
■ Latched disable input
■ Burst-mode operation at light load
■ Input for power-ON/OFF sequencing or brownout protection
■ Non-linear soft-start for monotonic output voltage rise
■ 600 V-rail compatible high-side gate driver with integrated bootstrap diode and high dV/dt
immunity
■ -300/800 mA high-side and low-side gate drivers with UVLO pull-down
Applications
■ LCD and PDP TV
■ Desktop PC, entry-level server
■ Telecom SMPS
■ AC-DC adapter, open frame SMPS
Product Name
L6599DTR
Applications
Resonant Converter Controller
Voltage – Input
Voltage – Supply
8.85V ~ 16V
Current – Supply
3.5 mA
Operating Temperature
0°C ~ 105°C
Mounting Type
Surface Mount
Package / Case
16-SOIC (0.154″, 3.90mm Width)
Supplier Device Package
16-SO
Base Product Number
L6599

Additional information

Product Name

L6599D L6599DTR Resonant Converter Controller

Applications

APW12 / PSU3300-01 PLUS1 PSU 

Package / Case

16-SOIC (0.154", 3.90mm Width)

Operating Temperature

0°C ~ 105°C

Current - Supply

3.5 mA

Voltage - Supply

8.85V ~ 16V

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