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Description SIMPLE SWITCHER® 降压调节器,LM557x 和 LM2557x 系列 LM557x 和 LM2557x 是易于使用的高性能 SIMPLE SWITCHER® 降压调节器,使设计工程师能够使用最少的部件设计和优化强大的电源装置。 集成式 N 通道 MOSFET 超宽输入电压范围高达 42V/75V 仿真电流模式,用于快速瞬态响应 可调输出电压,低至 1.225V 1.5% 反馈参考精确度 50kHz 和 500kHz 之间的可调工作频率,带单电阻器 可调软启动 ### 直流/直流开关调节器,Texas Instruments 用于高达 75V 的宽电压输入设计,以及易用性和灵活性之间的平衡。
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Brand: TI
Packaging TSSOP-20
Delivery time
Packaging method Tube
Standard packaging quantity 1
44.82  yuan 44.82yuan
  • Freight charges   In stock Freight rate:$13.00
  • Quantity
    Inventory(3601) Minimum order quantity(1)
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Technical parameters/number of output interfaces:

1

 

Technical parameters/output voltage:

1.225V ~ 40V

 

Technical parameters/output current:

3 A

 

Technical parameters/Static current:

1.00 mA

 

Technical parameters/adjusted output:

1

 

Technical parameters/switching frequency:

50kHz ~ 1MHz

 

Technical parameters/topology structure:

Buck

 

Technical parameters/Input voltage (Max):

42 V

 

Technical parameters/input voltage (Min):

6 V

 

Technical parameters/output voltage (Max):

40 V

 

Technical parameters/output voltage (Min):

1.225 V

 

Technical parameters/output current (Max):

3 A

 

Technical parameters/operating temperature (Max):

125 ℃

 

Technical parameters/operating temperature (Min):

-40 ℃

 

Technical parameters/input voltage:

6V ~ 42V

 

Encapsulation parameters/installation method:

Surface Mount

 

Package parameters/number of pins:

20

 

Encapsulation parameters/Encapsulation:

TSSOP-20

 

Dimensions/Length:

6.5 mm

 

Dimensions/Width:

4.4 mm

 

Dimensions/Height:

0.9 mm

 

Dimensions/Packaging:

TSSOP-20

 

Physical parameters/operating temperature:

-40℃ ~ 125℃ (TJ)

 

Other/Product Lifecycle:

Active

 

Other/Packaging Methods:

Tube

 

Compliant with standards/RoHS standards:

RoHS Compliant

 

Compliant with standards/lead standards:

Lead Free

 

Customs information/ECCN code:

EAR99

 

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