6-75V Wide Vin, 1A Constant On-Time Non-Synchronous Buck Regulator
Product details
Parameters
Package | Pins | Size
Features
- LM5010A-Q1 Qualified for Automotive
Applications - AEC-Q100 Qualified With the Following Results:
- Device Temperature Grade 1: –40°C to 125°C
Ambient Operating Temperature Range - Device Temperature Grade 0: –40°C to 150°C
Ambient Operating Temperature Range - Device HBM ESD Classification Level 2
- Device CDM ESD Classification Level C5
- Device Temperature Grade 1: –40°C to 125°C
- Wide 6-V to 75-V Input Voltage Range
- Valley Current Limit at 1.25 A
- Programmable Switching Frequency Up To 1 MHz
- Integrated 80-V N-Channel Buck Switch
- Integrated High Voltage Bias Regulator
- No Loop Compensation Required
- Ultra-Fast Transient Response
- Nearly Constant Operating Frequency With Line
and Load Variations - Adjustable Output Voltage
- 2.5-V, ±2% Feedback Reference
- Programmable Soft-Start
- Thermal Shutdown
- Exposed Thermal Pad for Improved Heat
Dissipation
Description
The LM5010Ax step-down switching regulator is an enhanced version of the LM5010 with the input operating range extended to 6-V minimum. The LM5010Ax features all the functions needed to implement a low-cost, efficient, buck regulator capable of supplying in excess of 1-A load current. This high-voltage regulator integrates an N-Channel Buck Switch, and is available in thermally enhanced 10-pin WSON and 14-pin HTSSOP packages. The constant ON-time regulation scheme requires no loop compensation resulting in fast load transient response and simplified circuit implementation. The operating frequency remains constant with line and load variations due to the inverse relationship between the input voltage and the ON-time. The valley current limit detection is set at 1.25 A. Additional features include: VCC undervoltage lockout, thermal shutdown, gate drive undervoltage lockout, and maximum duty cycle limiter.
Technical documentation
Type | Title | Date | |
---|---|---|---|
* | Datasheet | LM5010A, LM5010A-Q1 High-Voltage 1-A Step-Down Switching Regulator datasheet (Rev. F) | May 24, 2016 |
Technical articles | Minimize the impact of the MLCC shortage on your power application | Mar. 29, 2019 |
Design & development
For additional terms or required resources, click any title below to view the detail page where available.Hardware development
Description
LM5010A High Voltage 1A Step Down Switching Regulator
Features
- Wide 6V to 75V input voltage range
- Valley current limiting at 1.25A
- Programmable switching frequency up to 1MHz
- Integrated 80V N-Channel buck switch
- Integrated high voltage bias regulator
- No loop compensation required
- Ultra-fast transient response
- Nearly constant operating frequency with line and load (...)
Design tools & simulation
Features
- Leverages Cadence PSpice Technology
- Preinstalled library with a suite of digital models to enable worst-case timing analysis
- Dynamic updates ensure you have access to most current device models
- Optimized for simulation speed without loss of accuracy
- Supports simultaneous analysis of multiple products
- (...)
Reference designs
Design files
-
download TIDA-00874 BOM.pdf (318KB) -
download TIDA-00874 BOM.zip (318KB) -
download TIDA-00874 Assembly Drawing.pdf (595KB) -
download TIDA-00874 PCB.pdf (867KB) -
download TIDA-00874 CAD Files.zip (2132KB) -
download TIDA-00874 Gerber.zip (1764KB)
Design files
-
download PMP8660 BOM.pdf (18KB)
Design files
-
download PMP8508 BOM.pdf (16KB)
CAD/CAE symbols
Package | Pins | Download |
---|---|---|
HTSSOP (PWP) | 14 | View options |
WSON (DPR) | 10 | View options |
Ordering & quality
- RoHS
- REACH
- Device marking
- Lead finish/Ball material
- MSL rating/Peak reflow
- MTBF/FIT estimates
- Material content
- Qualification summary
- Ongoing reliability monitoring
Recommended products may have parameters, evaluation modules or reference designs related to this TI product.
Support & training
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