Overview
The LM66100DCKR is a Single-Input, Single-Output (SISO) integrated ideal diode from Texas Instruments. This device is designed to operate over a wide input voltage range of 1.5 V to 5.5 V and can support a maximum continuous current of 1.5 A. It features a P-channel MOSFET and includes reverse polarity protection (RPP) to safeguard against miswired inputs. The LM66100DCKR is suitable for various applications requiring efficient power management and protection.
Key Specifications
| Parameter | Description |
|---|---|
| Input Voltage Range | 1.5 V to 5.5 V |
| Maximum Continuous Current (IMAX) | 1.5 A |
| On-Resistance (RON) | 79 mΩ (typical at 5 V VIN), 91 mΩ (typical at 3.6 V VIN), 141 mΩ (typical at 1.8 V VIN) |
| Operating Temperature Range | –40°C to 125°C |
| Package | SC-70-6 |
| Shutdown Current (ISD, VIN) | 120 nA (typical at 3.6 V VIN) |
| Quiescent Current (IQ, VIN) | 150 nA (typical at 3.6 V VIN) |
Key Features
- Wide operating voltage range: 1.5 V to 5.5 V
- Reverse voltage standoff on VIN: –6 V absolute maximum
- Comparator chip enable (CE) and channel status indication (ST)
- Low current consumption: shutdown and quiescent currents are 120 nA and 150 nA, respectively, at 3.6 V VIN
- ORing configuration capability: can be used in a dual diode ORing implementation to pass the highest input voltage to the output while blocking reverse current flow
Applications
The LM66100DCKR is well-suited for a variety of applications, including power distribution systems, hot swap circuits, and any scenario requiring efficient power management with protection against reverse polarity and overcurrent. It is particularly useful in systems where multiple power sources need to be managed and protected.
Q & A
- What is the input voltage range of the LM66100DCKR?
The input voltage range of the LM66100DCKR is 1.5 V to 5.5 V. - What is the maximum continuous current supported by the LM66100DCKR?
The LM66100DCKR can support a maximum continuous current of 1.5 A. - What type of protection does the LM66100DCKR offer?
The LM66100DCKR offers reverse polarity protection (RPP) to safeguard against miswired inputs. - What is the typical on-resistance of the LM66100DCKR at 5 V VIN?
The typical on-resistance at 5 V VIN is 79 mΩ. - What is the operating temperature range of the LM66100DCKR?
The operating temperature range is –40°C to 125°C. - What package type is the LM66100DCKR available in?
The LM66100DCKR is available in a SC-70-6 package. - Can the LM66100DCKR be used in an ORing configuration?
Yes, the LM66100DCKR can be used in an ORing configuration similar to a dual diode ORing implementation. - What is the typical shutdown current of the LM66100DCKR at 3.6 V VIN?
The typical shutdown current at 3.6 V VIN is 120 nA. - What is the typical quiescent current of the LM66100DCKR at 3.6 V VIN?
The typical quiescent current at 3.6 V VIN is 150 nA. - How does the chip enable (CE) function work on the LM66100DCKR?
The chip enable works by comparing the CE pin voltage to the input voltage; when the CE pin voltage is higher than VIN, the device is disabled, and when it is lower, the MOSFET is on.
