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PWM Control Type DC/DC Converter IC for AC/DC Driver - BD7673AG

BD7673AG is a PWM controller type DC/DC converter for AC/DC that provides an optimum system for all products that requires an electrical outlet. This product supports both isolated and non-isolated devices. IC enables simple design of low-power electrical converters. With switching MOSFET and current detection resistor as external devices, it enables more freedom in design. Since the peak current control is utilized, peak current is controlled in each cycle, application excels wide bandwidth and transient response. BD7673AG includes various protective functions such as soft start function, burst unction, per-cycle over current limiter, VCC overvoltage protection and overload protection. An external latch pin (COMP pin) is provided, so that latch stopping (OFF) can be set by external signals. This function is available as overheating protection and over output voltage protection. The PWM switching frequency is fixed at 65 kHz. A frequency hopping function is included which contributes to low EMI.

* This product is a STANDARD grade product and not recommend for on-vehicle devices.
número de peça
Estado de Condição
pacote
Quantidade Unidade
Quantidade mínima Package
tipo de embalagem
RoHS
BD7673AG-GTR Active SSOP6 3000 3000 Taping sim
 
especificações:
FET -
Controller Type PWM
Vin1(Min.)[V] 8.5
Vin1(Max.)[V] 25.0
SW frequency(Max.)[KHz] 65.0
Vcc OVP Latch
BR PIN -
Channel 1
Light Load mode Yes
EN No
Soft Start Yes
Operating Temperature (Min.)[°C] -40
Operating Temperature (Max.)[°C] 85
características:
  •  ・ PWM frequency of 65kHz
     ・ PWM current mode method
     ・ Low circuit current when UVLO is ON
     (12μA at VCC=12V)
     ・ Low circuit current without load
    (Burst operation when load is light)
     ・ Built-in SW frequency hopping function
     ・ 250nsec leading-edge blanking
     ・ VCC UVLO / OVP
     ・ Per-cycle over current protection circuit
     ・ Soft start
     ・ Output overload protection (latch protection)
     ・ External latch function for COMP pin
     (Over heating protection function)
 
 
Dados técnicos
Application Note

Thermal Resistance