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LM5143RHAR
3.5-V TO 65-V LOW-IQ, DUAL OUTPU
- Manufacturer
- Mfr. Part #LM5143RHAR
- Package
- Datasheet LM5143RHAR DataSheet
- In Stock3530
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Specifications
| Part Status | Active |
| Output Type | Transistor Driver |
| Function | Step-Down |
| Output Configuration | Positive |
| Topology | Buck |
| Number of Outputs | 2 |
| Output Phases | 2 |
| Voltage - Supply (Vcc/Vdd) | 3.5V ~ 65V |
| Frequency - Switching | 100kHz ~ 2.2MHz |
| Duty Cycle (Max) | 100% |
| Synchronous Rectifier | Yes |
| Clock Sync | Yes |
| Control Features | Current Limit, Enable, Frequency Control, Phase Control, Power Good, Soft Start |
| Operating Temperature | -40°C ~ 150°C (TJ) |
| Mounting Type | Surface Mount |
| Package / Case | 40-VFQFN Exposed Pad |
| Supplier Device Package | 40-VQFN (6x6) |
| Base Product Number | LM5143 |
Overview
Description
Key features include integrated high-side and low-side MOSFET drivers, programmable switching frequency, and comprehensive protection mechanisms such as overcurrent, overvoltage, and thermal shutdown. The LM5143RHAR also offers features like phase interleaving for improved efficiency and thermal performance in multi-phase applications.
Its compact package and robust performance make it ideal for demanding applications requiring high power density and reliability. The LM5143RHAR is suitable for a range of devices, including DC-DC converters and power supplies for processors, FPGAs, and other digital circuits.
Features
1. Wide Input Voltage Range: Supports input voltages from 4.5V to 60V, making it suitable for a variety of power sources.
2. adjustable Output Voltage: The output voltage can be set between 0.8V to 95% of the input voltage.
3. High Efficiency: Achieves efficiencies greater than 90%, reducing thermal management requirements.
4. Synchronous Operation: Includes integrated high-side and low-side MOSFET drivers for improved efficiency.
5. Current Mode Control: Provides fast transient response and stable operation under varying loads.
6. Power Good Indicator: Offers a power good flag for monitoring output voltage status.
7. Protection Features: Includes over-voltage, under-voltage, and over-current protection to enhance system reliability.
8. Flexible Switching Frequency: Allows adjustable switching frequencies from 100 kHz to 1 MHz.
The LM5143RHAR is ideal for applications like industrial power supplies, telecom equipment, and automotive systems.
Package
Pinout
The main features include:
- Input Voltage Range: 4.5V to 60V
- Output Current Capability: Up to 100A
- Control Method: Voltage mode control with external compensation
- Integrated Features: Includes a UVLO (Under Voltage Lockout) function, soft-start, and overcurrent protection.
The pinout includes various functions such as:
- Power Input and Output Pins: VIN, VOUT
- Control Pins: COMP, CSN, CSP
- Feedback Pins: FB, SS (Soft Start)
- Signal Pins: PGND, AGND, VREG, etc.
- Protection and Status Pins: PWM, EN (Enable), and others.
This controller is commonly used in applications like industrial power supplies, telecom, and automotive power management.
Manufacturer
Application
Equivalent
1. TPS53319 - Texas Instruments
2. ISL6271 - Renesas
3. LTC3865 - Analog Devices
4. LM25119 - Texas Instruments
These alternatives offer similar features such as adjustable output voltage, high efficiency, and support for multi-phase operation. Always check specific requirements and specifications to ensure compatibility.
Shipping
Shipping MethodsWe
offer global shipping services through DHL, FedEx, TNT, UPS, or any other forwarder of your choice.
Shipping Fee Reference (DHL/FedEx):
DHL: Shipping cost ranges from $25-$45 (0.5kg), with an estimated delivery time of 2-5 business days.
FedEx: Shipping cost ranges from $25-$40 (0.5kg), with an estimated delivery time of 3-7 business days.
UPS: Shipping cost ranges from $25-$45 (0.5kg), with an estimated delivery time of 3-7 business days.
TNT: Shipping cost ranges from $25-$65 (0.5kg), with an estimated delivery time of 3-7 business days.
EMS: Shipping cost ranges from $30-$50 (0.5kg), with an estimated delivery time of 7-15 business days.
Registered Air Mail: Shipping cost is $2-$4 (0.1kg), with an estimated delivery time of 5-20 business days.
Payments
Payment Methods
The Payment term is 100% Prepaid.
Currently, we only accept the below payment methods:
1. PayPal
2. Credit/ Debit Card
3. Wire Transfer
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