HSOP Package 8-Pin Top View
Texas InstrumentsUnited States
IC REG BUCK ADJ 42V 3A 8-SOIC
LM22670MR-ADJ is a 42V input, 3A output step-down switching regulator in SO PowerPAD-8 package, supporting adjustable output from 1.285V, with a default switching frequency of 500kHz, featuring internal compensation and soft-start.Checked against the datasheet
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Technical parameters
Key specs
Input voltage4.5 ~ 42 V
Output voltage1.285 V
Output current3 AMax
Switching frequency200 kHz ~ 1 MHz
Datasheet-verified parameters
20 items| Parameter | Value and test conditions | Source |
|---|---|---|
| Input Voltage Range | 4.5 V to 42 V | |
| Output Voltage | As Low as 1.285 V (Adjustable) | |
| Output Current | 3 A | |
| Switching Frequency | 500 kHz (Default), Adjustable 200 kHz to 1 MHz | |
| Package | SO PowerPAD (DDA) 8-Pin | |
| Operating Temperature | -40°C to 125°C |
All parameters (6)
| Power | |
|---|---|
| Load Current | 3 A |
| Supply Voltage | 4.5 V to 42 V |
| AC and DC characteristics | |
| Switching Frequency | 500 kHz (Typ) |
| Environment and package | |
| Junction Temperature Range | -40 °C to 125 °C |
| Package | HSOP (8) |
| Other | |
| VIN to GND | 43 V (Max) |
Pinout and package
HSOP Package 8-Pin Top View
| Pin | Name | Function | Source |
|---|---|---|---|
| 1 | BOOT | - Bootstrap input, provides gate voltage for high side NFET | |
| 2 | NC | - Not Connected, not electrically connected inside the chip, functions as thermal conductor | |
| 3 | RT/SYNC | - Oscillator mode control input, used to control oscillator mode of regulator | |
| 4 | FB | - Feedback input, feedback input to regulator | |
| 5 | EN | - Enable input, used to control regulator start-up and shut-down | |
| 6 | GND | - Ground, ground input to regulator, system common | |
| 7 | VIN | - Input voltage, supply input to the regulator | |
| 8 | SW | - Switch output, switching output of regulator | |
| EP | Exposed Pad - Connect to ground, provides thermal connection to PCB |
Documents
Datasheet-verified content is extracted by AI from the manufacturer datasheet. Click a page number to view the original.