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Details for LM5576MH by Texas Instruments
Electronic & Electrical Components > Semiconductors - ICs > Power Management
V REG BUCK 75V 3.0A POWERWISE
LM5576MH image

LM5576MH by Texas Instruments

V REG BUCK 75V 3.0A POWERWISE
Features
1.5% (Q1) and 1.65% (Q0) Feedback Reference Accuracy
Adjustable Output Voltage as Low as 1.225 V
Adjustable Soft-Start
Built-in Protection
Emulated Current Mode Control Architecture
HTSSOP-20EP (Exposed Pad)
Integrated 75 V, 170 mu2126 N-channel MOSFET
LM5576-Q1 is an Automotive Grade Product that is AEC-Q100 grade 1 Qualified (u221240u00b0C to + 125u00b0C Operating Junction Temperature) and AEC-Q100 Grade 0 Qualified (u221240u00b0C to + 150u00b0C Operating Junction Temperature)
Master or Slave Frequency Synchronization
Operating Frequency Adjustable Between 50 kHz and 500 kHz with Single Resistor
Ultra-Wide Input Voltage Range from 6 V to 75 V
Wide Bandwidth Error Amplifier
Part Information
LM5576MH image
RoHS Compliant
Description
The LM5576 is an easy to use SIMPLE SWITCHER® buck regulator which allows design engineers to design and optimize a robust power supply using a minimum set of components. Operating with an input voltage range of 6 - 75 V, the LM5576 delivers 3 A of continuous output current with an integrated 170 mΩ N-Channel MOSFET. The regulator utilizes an Emulated Current Mode architecture which provides inherent line regulation, tight load transient response, and ease of loop compensation without the usual limitation of low-duty cycles associated with current mode regulators. The operating frequency is adjustable from 50 kHz to 500 kHz to allow optimization of size and efficiency. To reduce EMI, a frequency synchronization pin allows multiple ICs from the LM(2)557x family to self-synchronize or to synchronize to an external clock. The LM5576 ensures robustness with cycle-by-cycle current limit, short-circuit protection, thermal shut-down, and remote shut-down. The device is available in a power enhanced HTSSOP-20 package featuring an exposed die attach pad for thermal dissipation. The LM5576 is supported by the full suite of WEBENCH® On-Line design tools.
Specifications
Topology:
Buck (Step Down)
Input Voltage Min:
6V
Input Voltage Max:
75V
No. of Outputs:
1Outputs
DC / DC Converter IC Case:
HTSSOP
No. of Pins:
20Pins
Output Current:
3A
Output Voltage Min:
1.225V
Output Voltage Max:
70V
Switching Frequency:
500kHz
Operating Temperature Max:
125°C
Product Range:
-
Automotive Qualification Standard:
-
RoHS Phthalates Compliant:
Yes
MSL:
MSL 1 - Unlimited
SVHC:
No SVHC (27-Jun-2018)
Accuracy %:
1.5%
Adjustable Output Voltage Max:
70V
Base Number:
5576
Frequency:
500kHz
Operating Temperature Min:
-40°C
Operating Temperature Range:
-40°C to +125°C
Output Voltage:
1.225V
Primary Input Voltage:
75V
Supply Voltage Min:
6V
Termination Type:
Surface Mount Device
Voltage Regulator Type:
Switching
Alternate Descriptions
Conv DC-DC Single Inv/Step Down 6V to 75V 20-Pin HTSSOP EP Rail Avnet America
Conv DC-DC Single Inv/Step Down 6V to 75V 20-Pin HTSSOP EP Rail Avnet Europe