


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
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

, LM5576MH/NOPB Step-Down Switching Regulator, 1-Channel 3A Adjustable 20-Pin, TSSOP
Manufacturer:
Texas Instruments
Manufacturer Part No:
LM5576MH/NOPB
Enrgtech Part No:
ET16711913
Warranty:
Manufacturer
£ 5.60
Checking for live stock
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
Maximum Switching Frequency:
500 kHz
Pin Count:
20
Package Type:
TSSOP
Switching Regulator:
Yes
Minimum Operating Temperature:
-40 °C