仕様
| 属性 | 値 |
| Package / Case | Tape & Reel (TR),Cut Tape (CT) |
| Series | Automotive, AEC-Q100 |
| Part Status | Active |
| Type | N+1 ORing Controller |
| FET Type | N-Channel |
| Ratio - Input: Output | 1:1 |
| Internal Switch(s) | Yes |
| Delay Time - ON | 1.4 µs |
| Delay Time - OFF | 450 ns |
| Supply Current | 80 µA |
| Voltage - Supply | 3.2V ~ 65V |
| Applications | Automotive, Redundant Power Supplies |
| Operating Temperature | -40°C ~ 125°C |
| Mounting Type | Surface Mount |
概要
Description
LM74701QDDFRQ1 is a Texas Instruments DC-DC switching regulator IC used to efficiently convert higher DC voltages to stable lower rails in compact, battery-powered and automotive electronics. It typically implements a PWM current‑mode control topology with adjustable output via an external feedback network, an enable/shutdown input, and protection features such as overcurrent, thermal shutdown, and undervoltage lockout. The FRQ1 suffix identifies a specific TI package variant. Common applications include portable devices and embedded automotive electronics. For precise specs (input range, output voltage options, switching frequency, efficiency) and pinout, consult the official LM74701QDDFRQ1 datasheet on TI’s website. If you share the datasheet, I’ll summarize the key figures.
Pinout
I don’t have this part memorized. Please share a datasheet link or permit me to look it up, and I’ll provide the exact pin count and function from the official document.
Manufacturer
- Manufacturer: Texas Instruments (TI).
- What kind of company: A global semiconductor company that designs and manufactures analog and embedded processing integrated circuits for a wide range of markets (industrial, automotive, consumer electronics, communications, etc.).
- What kind of company: A global semiconductor company that designs and manufactures analog and embedded processing integrated circuits for a wide range of markets (industrial, automotive, consumer electronics, communications, etc.).
Package
QFN (Quad Flat No-Lead) package with an exposed pad (EP).