Images are for reference only
LM5001MAX
+BOMIC REG BOOST FLYBACK ADJ 8SOIC
-
ManufacturerTexas Instruments
-
Mfr. Part #LM5001MAX
-
In Stock7335
365 Days Quality Guarantee
7*24 hours service quarantee
90-day after-sales guarantee
Genuine Product Guarantee
Specifications
| Attribute | Value |
| Part Status | Obsolete |
| Base Product Number | LM5001 |
| Function | Step-Up, Step-Up/Step-Down |
| Output Configuration | Positive, Isolation Capable |
| Topology | Boost, Flyback, Forward Converter, SEPIC |
| Output Type | Adjustable |
| Number of Outputs | 1 |
| Voltage - Input (Min) | 3.1V |
| Voltage - Input (Max) | 75V |
| Voltage - Output (Min/Fixed) | 3.1V |
| Voltage - Output (Max) | 76V (Switch) |
| Current - Output | 800mA (Switch) |
| Frequency - Switching | 50kHz ~ 1.5MHz |
| Synchronous Rectifier | No |
| Operating Temperature | -40°C ~ 125°C (TJ) |
| Mounting Type | Surface Mount |
| Package | 8-SOIC (0.154", 3.90mm Width) |
| Supplier Device Package | 8-SOIC |
| Packaging | Tape & Reel (TR) |
Overview
Description
The device integrates a current-mode PWM controller, which ensures stability and easy loop compensation. It supports both buck and boost configurations, allowing for flexibility in design. The LM5001MAX also includes essential protection features such as overcurrent protection, thermal shutdown, and an undervoltage lockout.
This regulator is known for its low standby current, high efficiency, and ability to operate in harsh environments. It is particularly favored for applications requiring compact, reliable, and energy-efficient solutions. Overall, the LM5001MAX provides a robust solution for designers looking to optimize power management in their electronic systems.
Equivalent
1. LM5009 – Another DC-DC regulator from Texas Instruments.
2. LT3800 – A step-down controller from Analog Devices (Linear Technology).
3. MAX5035 – A step-down converter from Maxim Integrated.
4. LTC3824 – A step-down converter from Linear Technology.
5. TPS54160 – A wide-input range step-down converter from Texas Instruments.
Make sure to compare specific electrical characteristics to ensure compatibility.
Features
1. Wide Input Voltage Range: Can handle input voltages from 9V to 95V, making it suitable for various industrial and automotive applications.
2. High-Efficiency Operation: Utilizes a current-mode PWM (Pulse Width Modulation) architecture, allowing for high-efficiency performance across a wide load range.
3. Adjustable Output Voltage: Output voltage can be precisely set using external resistors, offering flexibility for different application requirements.
4. Switching Frequency: The device supports a switching frequency up to 1 MHz, which can reduce the size of external components and improve response times.
5. Internal Soft Start: Minimizes inrush current during start-up, ensuring stable operation.
6. Overcurrent Protection: Features a cycle-by-cycle current limit and thermal shutdown for protection against overloads and overheating.
7. Small Form Factor: Available in compact packages, making it ideal for space-constrained designs.
These features make the LM5001MAX a versatile choice for designers looking to implement reliable and efficient power management solutions.
Pinout
1. VIN: Input voltage supply for the IC.
2. SW: Switch pin, connected to the inductor and the external switching diode.
3. GND: Ground reference for the device.
4. FB: Feedback pin, used to regulate the output voltage by connecting to a resistor divider from the output to ground.
5. COMP: Compensation pin, used for frequency compensation to stabilize the control loop.
6. RST: Reset pin, which can be used to reset the IC.
7. SS: Soft-start pin, used to control the inrush current during startup by connecting a capacitor that gradually increases the output voltage.
8. UVLO: Under-voltage lockout pin, used to turn the device on or off depending on the input voltage level.
This pin configuration supports its functionality as an efficient step-down (buck) voltage regulator with features like over-current protection, thermal shutdown, and a wide input voltage range.