Texas Instruments, LM5574MT/NOPB Step-Down Switching Regulator, 1-Channel 500mA Adjustable 16-Pin, TSSOP

Technical data sheets
Legislation and Compliance
RoHS Certificate of Compliance
Product Details

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.

Specifications
Attribute Value
Maximum Output Current 500mA
Regulator Function Buck Regulator
Minimum Input Voltage 6 V
Maximum Input Voltage 75 V
Output Type Adjustable
Mounting Type Surface Mount
Number of Outputs 1
Pin Count 16
Package Type TSSOP
Switching Regulator Yes
Efficiency 85%
Maximum Operating Temperature +125 °C
Maximum Switching Frequency 500 kHz
Minimum Operating Temperature -40 °C
Dimensions 5 x 4.4 x 0.9mm
Width 4.4mm
Length 5mm
Height 0.9mm
139 In stock for delivery within 2 working days
Unit of sale: Each
3.60
(exc. VAT)
4.36
(inc. VAT)
units
Per unit
1 - 4
€3.60
5 - 9
€3.45
10 - 24
€3.34
25 - 49
€3.24
50 +
€3.16
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