Texas Instruments, LM5576MH/NOPB Step-Down Switching Regulator 3A Adjustable 20-Pin, TSSOP, Buck Controller

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SIMPLE SWITCHER® Step-Down Regulators, LM557x & LM2557x Series

The LM557x and LM2557x are easy to use high-performance SIMPLE SWITCHER® buck regulators which allow design engineers to design and optimize a robust power supply using a minimum set of components.

Integrated N-channel MOSFET
Ultra-Wide Input Voltage Range up to 42V/75V
Emulated current mode for fast transient response
Adjustable Output Voltage as Low as 1.225V
1.5% Feedback Reference Accuracy
Operating frequency adjustable between 50kHz and 500kHz with single resistor
Adjustable soft-start

SIMPLE SWITCHER® Regulators, Texas Instruments

Use for wide voltage inputs designs up to 75V, and a balance between ease of use and flexibility.

規格
Attribute Value
Maximum Output Current 3A
Regulator Function Buck Controller, Inverting
Minimum Input Voltage 6 V
Maximum Input Voltage 75 V
Output Type Adjustable
Mounting Type Surface Mount
Number of Outputs 1
Pin Count 20
Package Type TSSOP
Switching Regulator Yes
Length 6.5mm
Dimensions 6.5 x 4.4 x 0.9mm
Width 4.4mm
Minimum Operating Temperature -40 °C
Height 0.9mm
Maximum Operating Temperature +125 °C
Maximum Switching Frequency 500 kHz
876 現貨庫存,可於3工作日發貨。
單價 毎管:73 個
HK$ 38.85
(不含稅)
單位
Per unit
Per Tube*
73 - 73
HK$38.85
HK$2,836.05
146 - 219
HK$36.26
HK$2,646.98
292 +
HK$33.994
HK$2,481.562
* 參考價格
由於暫時的供應限制,RS目前不接受延期交貨訂單。