Zenode.ai Logo
Log InSign Up

LM25011 Series

6-42V Wide Vin, 2A Constant-On Time Buck Regulator with Adjustable Current Limit

Manufacturer: Texas Instruments

Catalog(8 parts)

PartSupplier Device PackageVoltage - Output (Max)▲▼FunctionVoltage - Input (Min)▲▼Operating Temperature▲▼Operating Temperature▲▼Output TypeSynchronous Rectifier▲▼Number of Outputs▲▼Voltage - Input (Max)▲▼Current - Output▲▼Mounting TypeTopologyVoltage - Output (Min/Fixed)▲▼Frequency - Switching▲▼Package / CaseOutput ConfigurationUtilized IC / PartMain PurposeVoltage - Input▲▼Voltage - Input▲▼Board TypeOutputs and TypeOutputs and Type▲▼Supplied ContentsVoltage - Output▲▼QualificationGrade
Texas Instruments
LM25011MY/NOPB
Buck Switching Regulator IC Positive Adjustable 2.51V 1 Output 2A 10-PowerTFSOP, 10-MSOP (0.118", 3.00mm Width)
10-HVSSOP
40 V
Step-Down
6 V
125 °C
-40 °C
Adjustable
1 ul
42 V
2 A
Surface Mount
Buck
2.509999990463257 V
2000000 Hz
10-MSOP, 10-PowerTFSOP
Positive
Texas Instruments
LM25011AMYX
Buck Switching Regulator IC Positive Adjustable 2.51V 1 Output 2A 10-PowerTFSOP, 10-MSOP (0.118", 3.00mm Width)
10-HVSSOP
40 V
Step-Down
6 V
125 °C
-40 °C
Adjustable
1 ul
42 V
2 A
Surface Mount
Buck
2.509999990463257 V
2000000 Hz
10-MSOP, 10-PowerTFSOP
Positive
Texas Instruments
LM25011MY-EVAL/NOPB
LM25011 - DC/DC, Step Down 1, Non-Isolated Outputs Evaluation Board
2 A
LM25011
DC/DC, Step Down
8 V
42 V
Fully Populated
Non-Isolated
1 ul
Board(s)
5 V
Texas Instruments
LM25011AMYE
Buck Switching Regulator IC Positive Adjustable 2.51V 1 Output 2A 10-PowerTFSOP, 10-MSOP (0.118", 3.00mm Width)
10-HVSSOP
40 V
Step-Down
6 V
125 °C
-40 °C
Adjustable
1 ul
42 V
2 A
Surface Mount
Buck
2.509999990463257 V
2000000 Hz
10-MSOP, 10-PowerTFSOP
Positive
Texas Instruments
LM25011Q1MY/NOPB
Buck Switching Regulator IC Positive Adjustable 2.51V 1 Output 2A 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) Exposed Pad
10-MSOP-PowerPad
40 V
Step-Down
6 V
125 °C
-40 °C
Adjustable
1 ul
42 V
2 A
Surface Mount
Buck
2.509999990463257 V
2000000 Hz
10-MSOP, 10-TFSOP
Positive
AEC-Q100
Automotive
Texas Instruments
LM25011Q1MYX/NOPB
Buck Switching Regulator IC Positive Adjustable 2.51V 1 Output 2A 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) Exposed Pad
10-MSOP-PowerPad
40 V
Step-Down
6 V
125 °C
-40 °C
Adjustable
1 ul
42 V
2 A
Surface Mount
Buck
2.509999990463257 V
2000000 Hz
10-MSOP, 10-TFSOP
Positive
AEC-Q100
Automotive
Texas Instruments
LM25011AQ1MYX/NOPB
Buck Switching Regulator IC Positive Adjustable 2.51V 1 Output 2A 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) Exposed Pad
10-MSOP-PowerPad
40 V
Step-Down
6 V
125 °C
-40 °C
Adjustable
1 ul
42 V
2 A
Surface Mount
Buck
2.509999990463257 V
2000000 Hz
10-MSOP, 10-TFSOP
Positive
AEC-Q100
Automotive
Texas Instruments
LM25011MYX/NOPB
Buck Switching Regulator IC Positive Adjustable 2.51V 1 Output 2A 10-PowerTFSOP, 10-MSOP (0.118", 3.00mm Width)
10-HVSSOP
40 V
Step-Down
6 V
125 °C
-40 °C
Adjustable
1 ul
42 V
2 A
Surface Mount
Buck
2.509999990463257 V
2000000 Hz
10-MSOP, 10-PowerTFSOP
Positive

Key Features

• LM25011-Q1 is an Automotive Grade Product that is AEC-Q100 Grade 1 Qualified (–40°C to +125°C Operating Junction Temperature)LM25011A Allows Low-Dropout Operation at High Switching FrequencyInput Operating Voltage Range: 6 V to 42 VAbsolute Maximum Input Rating: 45 VIntegrated 2-A N-Channel Buck SwitchAdjustable Current Limit Allows for Smaller InductorAdjustable Output Voltage from 2.51 VMinimum Ripple Voltage at VOUTPower Good OutputSwitching Frequency Adjustable to 2 MHzCOT Topology Features:Switching Frequency Remains Nearly Constant with Load Current and Input Voltage VariationsUltra-Fast Transient ResponseNo Loop Compensation RequiredStable Operation with Ceramic Output CapacitorsAllows for Smaller Output Capacitor and Current Sense ResistorAdjustable Soft-Start TimingThermal ShutdownPrecision 2% Feedback ReferencePackage: 10-Pin, HVSSOPCreate a Custom Design Using the LM25011 Family with theWEBENCH Power DesignerLM25011-Q1 is an Automotive Grade Product that is AEC-Q100 Grade 1 Qualified (–40°C to +125°C Operating Junction Temperature)LM25011A Allows Low-Dropout Operation at High Switching FrequencyInput Operating Voltage Range: 6 V to 42 VAbsolute Maximum Input Rating: 45 VIntegrated 2-A N-Channel Buck SwitchAdjustable Current Limit Allows for Smaller InductorAdjustable Output Voltage from 2.51 VMinimum Ripple Voltage at VOUTPower Good OutputSwitching Frequency Adjustable to 2 MHzCOT Topology Features:Switching Frequency Remains Nearly Constant with Load Current and Input Voltage VariationsUltra-Fast Transient ResponseNo Loop Compensation RequiredStable Operation with Ceramic Output CapacitorsAllows for Smaller Output Capacitor and Current Sense ResistorAdjustable Soft-Start TimingThermal ShutdownPrecision 2% Feedback ReferencePackage: 10-Pin, HVSSOPCreate a Custom Design Using the LM25011 Family with theWEBENCH Power Designer

Description

AI
The LM25011 constant on-time step-down switching regulator features all the functions needed to implement a low-cost, efficient, buck bias regulator capable of supplying up to 2 A of load current. This high-voltage regulator contains an N-Channel Buck switch, a startup regulator, current limit detection, and internal ripple control. The constant on-time regulation principle requires no loop compensation, results in fast load transient response, and simplifies circuit implementation. The operating frequency remains constant with line and load. The adjustable valley current limit detection results in a smooth transition from constant voltage to constant current mode when current limit is reached, without the use of current limit foldback. The PGD output indicates the output voltage has increased to within 5% of the expected regulation value. Additional features include: Low output ripple, VIN under-voltage lock-out, adjustable soft-start timing, thermal shutdown, gate drive pre-charge, gate drive under-voltage lock-out, and maximum duty cycle limit. The LM25011A has a shorter minimum off-time than the LM25011, which allows for higher frequency operation at low input voltages. The LM25011 constant on-time step-down switching regulator features all the functions needed to implement a low-cost, efficient, buck bias regulator capable of supplying up to 2 A of load current. This high-voltage regulator contains an N-Channel Buck switch, a startup regulator, current limit detection, and internal ripple control. The constant on-time regulation principle requires no loop compensation, results in fast load transient response, and simplifies circuit implementation. The operating frequency remains constant with line and load. The adjustable valley current limit detection results in a smooth transition from constant voltage to constant current mode when current limit is reached, without the use of current limit foldback. The PGD output indicates the output voltage has increased to within 5% of the expected regulation value. Additional features include: Low output ripple, VIN under-voltage lock-out, adjustable soft-start timing, thermal shutdown, gate drive pre-charge, gate drive under-voltage lock-out, and maximum duty cycle limit. The LM25011A has a shorter minimum off-time than the LM25011, which allows for higher frequency operation at low input voltages.