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产品
LD7793

Transition-Mode PFC and Quasi-Resonant / Frequency Modulation Current Mode PWM Controller

新产品
LD7793
主要特点

Integrated Boost PFC and QR/PFM Flyback controller

Voltage mode transition operation on PFC

Current mode QR/PFM operation on Flyback

Frequency swapping operation on Flyback

Brown in/out protection and X-cap discharge function

Internal soft-start function and PFC on/off control

OVP (Over voltage protection)

OCP (Cycle-by-cycle current limiting)

Internal OTP function and external protection pin

500/-1000mA PFC gate source/sink capability

700/-1000mA Flyback gate source/sink capability

显示更多

Protection Mode
Part number AC OVP VCC OVP
FBAUX OVP
FBCOMP OLP
FBAUX UVP
Flyback OSCP
PFC &
Flyback OCP
PROT
(pin 5)
Internal
OTP
PFC
UVP
FBAUX
Open
PFC
DSCP /
PFC OVP
Flyback
DSCP
LD7793BGS1 Auto
recovery
Auto
recovery
Auto
recovery
Cycle by cycle Auto
recovery
Auto
recovery
Auto
recovery
Auto
recovery
PFCDRV
Time Out /
Stop
Auto
recovery
LD7793IGS1 Auto
recovery
Latch Latch Cycle by cycle Latch Auto
recovery
Auto
recovery
Auto
recovery
PFCDRV
Time Out /
Stop
Auto
recovery
LD7793OGS1 Auto
recovery
Latch Auto
recovery
Cycle by cycle Latch Auto
recovery
Auto
recovery
Auto
recovery
PFCDRV
Time Out /
Stop
Auto
recovery
Pin Configuration

  • 苏州
  • 深圳
  • 地址:苏州工业园区苏虹东路177号方正智谷

    电话:+86 512-62373510

    传真:+86 512-62373512

    E-mail:weixiliu@jypower.cn

  • 地址:深圳市光明区华强创意产业园A5幢

    电话:1866-2166-251

    E-mail:Stevenshi@jypower.cn

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