BD28C57LFJ-LB (新产品)
PWM Types DC/DC Converter IC

This product is a rank product for the industrial equipment market. This is the best product for use in these applications. The PWM type DC/DC converter for AC/DC provides an optimal system for all products that require an electrical outlet. This IC supports both isolated and non-isolated devices and enables simpler designs of various types of a low power consumption electrical converters. This IC has a lineup of VDD UVLO that support both Si and SiC of MOSFET. Power supplies can be designed flexibly by connecting a current detection resistor for the switching externally. Current is restricted in each cycle and excellent performances are demonstrated in a bandwidth and transient response since a current mode control is utilized. The switching frequency can be set by external resistor and capacitor on the RTCT pin.

主要规格

 
型号 | BD28C57LFJ-LBE2
Status | 推荐品
封装 | SOP-J8
包装数量 | 2500
最小独立包装数量 | 2500
包装形态 | Taping
RoHS | Yes

特性:

BR UVLO

No

External LATCH Function

No

AC Monitor Function

No

VH Terminal UVLO

No

Frequency Reduction Function

No

Current Detection Resistors

External

Over Current Detection Voltage (typ.)[V]

1

Dynamic Over Current Detection

No

FET

External

Controller Type

PWM

Vin1(Min.)[V]

6.9

Vin1(Max.)[V]

28

SW Frequency (Max.)[kHz]

500

BR PIN

No

Channel

1

Light Load mode

Yes

EN

No

Thermal Shut-down

Yes

Under Voltage Lock Out

Yes

Operating Temperature (Min.)[°C]

-40

Operating Temperature (Max.)[°C]

125

Package Size [mm]

4.9x6 (t=1.65)

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特点:

  • PWM Current Mode Method
  • Low Power Consumption
  • The VDD Pin UVLO Function
  • Over Current Protection Function per Cycle
  • Switching Frequency Setting Pin
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