Enhanced high-voltage resonant controller

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  • The L6699 is a double-ended controller specific to series-resonant half bridge topology. Both LLC and LCC configurations are supported. It provides symmetrical 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. The deadtime inserted between the turn-off of one switch and the turn-on of the other one is automatically adjusted to best fit the transition times of the half bridge midpoint. 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 user to set the operating frequency range of the converter by means of a high-accuracy externally programmable oscillator.
    At startup, in addition to the traditional frequency-shift soft-start (the switching frequency starts from a preset maximum value and then decays as far as the steady-state value determined by the control loop), a proprietary circuit controls the half bridge to prevent hard-switching from occurring in the initial cycles because of the unbalance in the V·s applied to the transformer.
    At light load the IC can be forced to enter a controlled burst-mode operation that keeps the converter input consumption as low as possible.
    IC protection functions include a current sense input for OCP with frequency shift and delayed shutdown with automatic restart. Fast shutdown with automatic restart occurs if this first-level protection cannot control the primary current. Additionally, the IC prevents the converter from working in or too close to the capacitive mode, to guarantee soft-switching. A latched disable input (DIS) can be used to implement OTP and/or OVP. The combination of these protection features offers the highest degree of safety.
    Other functions include a not-latched active-low disable input with current hysteresis, useful for power sequencing or for brownout protection, and an interface with the PFC controller that enables the switching-off of the pre-regulator during fault conditions or during burst-mode operation.

    主要特性

    • Symmetrical duty cycle, variable frequency control of resonant half bridge
    • Self-adjusting adaptive deadtime
    • High-accuracy oscillator
    • 2-level OCP: frequency-shift and immediate shutdown
    • Interface with PFC controller
    • Anti-capacitive-mode protection
    • Burst-mode operation at light load
    • Input for brownout protection or power-on/off sequencing
    • “Safe-start” procedure prevents hard switching at startup
    • 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
    • SO16N package

样片和购买

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L6699D SO-16 Tube
Active
0.919 1000 EAR99 CHINA 查看供货情况

Distributor availability ofL6699D

代理商名称
地区 库存 最小订购量 Third party link
DIGIKEY WORLDWIDE 572 1 Order Now
RS COMPONENTS EUROPE 74 2 Order Now
P&S ASIA/PACIFIC 417 1 Order Now
MOUSER WORLDWIDE 1224 1 Order Now
Farnell Element14 EUROPE 867 1 Order Now

代理商库存报告日期: 2019-09-17

代理商名称

DIGIKEY

库存

572

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1

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RS COMPONENTS

库存

74

Min.Order

2

地区

EUROPE Order Now

P&S

库存

417

Min.Order

1

地区

ASIA/PACIFIC Order Now

MOUSER

库存

1224

Min.Order

1

地区

WORLDWIDE Order Now

Farnell Element14

库存

867

Min.Order

1

地区

EUROPE Order Now

代理商库存报告日期: 2019-09-17

立即购买
L6699DTR SO-16 Tape And Reel
Active
0.919 1000 EAR99 CHINA 查看供货情况

Distributor availability ofL6699DTR

代理商名称
地区 库存 最小订购量 Third party link
DIGIKEY WORLDWIDE 2165 1 Order Now
FUTURE WORLDWIDE 2500 2500 Order Now
P&S ASIA/PACIFIC 40 1 Order Now
MOUSER WORLDWIDE 1404 1 Order Now
Farnell Element14 EUROPE 1823 1 Order Now

代理商库存报告日期: 2019-09-17

代理商名称

DIGIKEY

库存

2165

Min.Order

1

地区

WORLDWIDE Order Now

FUTURE

库存

2500

Min.Order

2500

地区

WORLDWIDE Order Now

P&S

库存

40

Min.Order

1

地区

ASIA/PACIFIC Order Now

MOUSER

库存

1404

Min.Order

1

地区

WORLDWIDE Order Now

Farnell Element14

库存

1823

Min.Order

1

地区

EUROPE Order Now

代理商库存报告日期: 2019-09-17

Get sample

L6699D

封装

SO-16

包装类型

Tube

Unit Price (US$)

0.919*

Distributor availability ofL6699D

代理商名称
地区 库存 最小订购量 Third party link
DIGIKEY WORLDWIDE 572 1 Order Now
RS COMPONENTS EUROPE 74 2 Order Now
P&S ASIA/PACIFIC 417 1 Order Now
MOUSER WORLDWIDE 1224 1 Order Now
Farnell Element14 EUROPE 867 1 Order Now

代理商库存报告日期: 2019-09-17

代理商名称

DIGIKEY

库存

572

Min.Order

1

地区

WORLDWIDE Order Now

RS COMPONENTS

库存

74

Min.Order

2

地区

EUROPE Order Now

P&S

库存

417

Min.Order

1

地区

ASIA/PACIFIC Order Now

MOUSER

库存

1224

Min.Order

1

地区

WORLDWIDE Order Now

Farnell Element14

库存

867

Min.Order

1

地区

EUROPE Order Now

代理商库存报告日期: 2019-09-17

供货状态

Active

Unit Price (US$)

0.919

数量

1000

ECCN (US)

EAR99

Country of Origin

CHINA

L6699DTR

封装

SO-16

包装类型

Tape And Reel

Unit Price (US$)

0.919*

Distributor availability ofL6699DTR

代理商名称
地区 库存 最小订购量 Third party link
DIGIKEY WORLDWIDE 2165 1 Order Now
FUTURE WORLDWIDE 2500 2500 Order Now
P&S ASIA/PACIFIC 40 1 Order Now
MOUSER WORLDWIDE 1404 1 Order Now
Farnell Element14 EUROPE 1823 1 Order Now

代理商库存报告日期: 2019-09-17

代理商名称

DIGIKEY

库存

2165

Min.Order

1

地区

WORLDWIDE Order Now

FUTURE

库存

2500

Min.Order

2500

地区

WORLDWIDE Order Now

P&S

库存

40

Min.Order

1

地区

ASIA/PACIFIC Order Now

MOUSER

库存

1404

Min.Order

1

地区

WORLDWIDE Order Now

Farnell Element14

库存

1823

Min.Order

1

地区

EUROPE Order Now

代理商库存报告日期: 2019-09-17

供货状态

Active

Unit Price (US$)

0.919

数量

1000

ECCN (US)

EAR99

Country of Origin

CHINA

(*) Suggested Resale Price per unit (USD) for BUDGETARY USE ONLY. For quotes, prices in local currency, please contact your local ST Sales Office  or our Distributors

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评估工具

    • 产品型号

      300 W peak power (170 W continuous power) LLC resonant converter based on L6699, STB13N60M2 and STPS20M80CG

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00 选择要下载的文档

技术文档

    • 描述 版本 文档大小 操作
      DS8908
      Enhanced high voltage resonant controller
      2.0
      954.78 KB
      PDF
      DS8908

      Enhanced high voltage resonant controller

    • 描述 版本 文档大小 操作
      AN4677
      12 V - 150 W resonant converter with synchronous rectification based on L6563H, L6699 and SRK2001
      1.0
      3.11 MB
      PDF
      AN4027
      12 V - 150 W resonant converter with synchronous rectification using the L6563H, L6699 and SRK2000A
      3.0
      2.82 MB
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      AN5328
      150 V - 150 W LED driver with the L6564H and the L6699 transition mode PFC pre-regulator, half bridge LCC resonant converter
      1.0
      7.07 MB
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      AN4026
      19 V - 90 W adapter with PFC for laptop computers using the L6563H and L6699
      1.3
      988.23 KB
      PDF
      AN4720
      Half bridge resonant LLC converters and primary side MOSFET selection
      1.0
      1.4 MB
      PDF
      AN4599
      STEVAL-ISA132V1 24 V 300 W peak power resonant converter
      3.0
      904.42 KB
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      AN4677

      12 V - 150 W resonant converter with synchronous rectification based on L6563H, L6699 and SRK2001

      AN4027

      12 V - 150 W resonant converter with synchronous rectification using the L6563H, L6699 and SRK2000A

      AN5328

      150 V - 150 W LED driver with the L6564H and the L6699 transition mode PFC pre-regulator, half bridge LCC resonant converter

      AN4026

      19 V - 90 W adapter with PFC for laptop computers using the L6563H and L6699

      AN4720

      Half bridge resonant LLC converters and primary side MOSFET selection

      AN4599

      STEVAL-ISA132V1 24 V 300 W peak power resonant converter

    • 描述 版本 文档大小 操作
      DT0009
      Speed up development of the L6699 with the L6599A and flexible PCB layout
      1.2
      264.38 KB
      PDF
      DT0009

      Speed up development of the L6699 with the L6599A and flexible PCB layout

    • 描述 版本 文档大小 操作
      AN4677
      12 V - 150 W resonant converter with synchronous rectification based on L6563H, L6699 and SRK2001
      1.0
      3.11 MB
      PDF
      AN4599
      STEVAL-ISA132V1 24 V 300 W peak power resonant converter
      3.0
      904.42 KB
      PDF
      AN4677

      12 V - 150 W resonant converter with synchronous rectification based on L6563H, L6699 and SRK2001

      AN4599

      STEVAL-ISA132V1 24 V 300 W peak power resonant converter

硬件型号、CAD库及SVD

    • 描述 版本 文档大小 操作
      L6699 ORCAD macromodel 1.0
      94.26 KB
      ZIP
      L6699 SIMPLIS MAROTTA encrypted 1.0
      194.46 KB
      ZIP

      L6699 ORCAD macromodel

      L6699 SIMPLIS MAROTTA encrypted

演示和培训资料

    • 描述 版本 文档大小 操作
      EuP Lot 6 Tier2 Ecodesign requirements for Standby
      2.2 MB
      PDF
      L6699: Double-ended controller specific to series-resonant half-bridge topology 2.0
      430.88 KB
      PDF
      Primary side regulation controllers portfolio
      1.1 MB
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      EuP Lot 6 Tier2 Ecodesign requirements for Standby

      L6699: Double-ended controller specific to series-resonant half-bridge topology

      Primary side regulation controllers portfolio

出版刊物和宣传资料

    • 描述 版本 文档大小 操作
      Power Management Guide 06.2019
      5.5 MB
      PDF

      Power Management Guide

产品型号 供货状态 封装 等级规格 符合RoHS级别 材料声明**
L6699D
Active
SO-16 工业 Ecopack2
L6699DTR
Active
SO-16 工业 Ecopack2

L6699D

Package:

SO-16

Material Declaration**:

PDF XML

Marketing Status

Active

Package

SO-16

Grade

Industrial

RoHS Compliance Grade

Ecopack2

L6699DTR

Package:

SO-16

Material Declaration**:

PDF XML

Marketing Status

Active

Package

SO-16

Grade

Industrial

RoHS Compliance Grade

Ecopack2

(**) The Material Declaration forms available on st.com may be generic documents based on the most commonly used package within a package family. For this reason, they may not be 100% accurate for a specific device. Please contact our sales support for information on specific devices.