LM3671MF-1.8/NOPB

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Details for Texas Instruments

LM3671MF-1.8/NOPB

2MHz, 600mA Step-Down DC-DC Converter
Buy Directly from Texas Instruments (15539 in Stock)
$0.4800 per unit
Series Information for LM3671MF-1.8/NOPB - Texas Instruments

Features

  • feature
    0.01-u00b5A Typical Shutdown Current
  • feature
    16-u00b5A Typical Quiescent Current
  • feature
    2-MHz PWM Fixed Switching Frequency (Typical)
  • feature
    600-mA Maximum Load Capability
  • feature
    AEC Q100-Qualified With the Following Results u2013 Device Temperature Grade 1: u201340u00b0C to +125u00b0C Ambient Operating Temperature Range
  • feature
    Automatic PFM-PWM Mode Switching
  • feature
    Available in Fixed Output Voltages and Adjustable
  • feature
    Current Overload and Thermal Shutdown Protection
  • feature
    Internal Soft Start
  • feature
    Internal Synchronous Rectification for High Efficiency
  • feature
    LM3671-Q1 is Qualified for Automotive Applications
  • feature
    Only Three Tiny Surface-Mount External Components Required (One Inductor, Two Ceramic Capacitors)
  • feature
    Operates from a Single Li-Ion Cell Battery

Description

IC STEP-DOWN DC/DC CONVERTER 5-SOT-23
The LM3671 step-down DC-DC converter is optimized for powering low voltage circuits from a single Li-Ion cell battery and input voltage rails from 2.7 V to 5.5 V. It provides up to 600-mA load current, over the entire input voltage range. There are several different fixed voltage output options available as well as an adjustable output voltage version range from 1.1 V to 3.3 V. The device offers superior features and performance for mobile phones and similar portable systems. Automatic intelligent switching between PWM lownoise and PFM low-current mode offers improved system control. During PWM mode, the device operates at a fixed-frequency of 2 MHz (typical). Hysteretic PFM mode extends the battery life by reducing the quiescent current to 16 µA (typical) during light load and standby operation. Internal synchronous rectification provides high efficiency during PWM mode operation. In shutdown mode, the device turns off and reduces battery consumption to 0.01 µA (typical). A high-switching frequency of 2 MHz (typical) allows use of tiny surface-mount components. Only three external surface-mount components, an inductor, and two ceramic capacitors, are required.

Specifications

Topology:
Buck (Step Down)
Input Voltage Min:
2.7V
Input Voltage Max:
5.5V
DC / DC Converter IC Case:
SOT-23
No. of Pins:
5Pins
Output Current:
600mA
Output Voltage Nom.:
1.8V
Switching Frequency:
2MHz
Operating Temperature Max:
85°C
Product Range:
-
Automotive Qualification Standard:
-
RoHS Phthalates Compliant:
Yes
MSL:
MSL 1 - Unlimited
SVHC:
No SVHC (27-Jun-2018)
Accuracy %:
0.04%
Base Number:
3671
Frequency:
2MHz
No. of Outputs:
1Outputs
Operating Temperature Min:
-30°C
Operating Temperature Range:
-30°C to +85°C
Output Voltage:
1.8V
Primary Input Voltage:
3.6V
Supply Voltage Max:
5.5V
Supply Voltage Min:
2.7V
Switch Output Current Isw Max:
1.15A
Termination Type:
Surface Mount Device
Voltage Regulator Type:
Step Down (Buck)

Alternate Descriptions

Avnet America

Conv DC-DC Single Step Down 2.7V to 5.5V 5-Pin SOT-23 T/R

Avnet America product

Avnet Europe

Conv DC-DC Single Step Down 2.7V to 5.5V 5-Pin SOT-23 T/R

Avnet Europe product

Texas Instruments

2MHz, 600mA Step-Down DC-DC Converter

Texas Instruments product