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LM3674MF-ADJ/NOPB

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LM3674MF-ADJ/NOPB Step-Down Switching Regulator 600mA Adjustable, 1 → 3.3 V 5-Pin, SOT-23

  • Manufacturer :
  • TI
  • Package/Case :
  • SOT-23-5
  • Product Categories :
  • DC/DC Switching Controllers
  • RoHs Status:
  • Lead free / RoHS Compliant
  • Marking Code:
  • SLTB
  • In-stock:
  • 0

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LM3674MF-ADJ/NOPB Product Details

The LM3674MF-ADJ/NOPB 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 fixed output voltages and adjustable output voltage versions.

The device offers superior features and performance for mobile phones and similar portable systems. During the Pulse Width Modulation (PWM) mode, the device operates at a fixed-frequency of 2 MHz (typical). Internal synchronous rectification provides high efficiency during the PWM mode operation. In shutdown mode, the device turns off and reduces battery consumption to 0.01 μA (typical).

The LM3674MF-ADJ/NOPB is available in a 5-pin SOT-23 package. A high switching frequency of 2 MHz (typical) allows use of only three tiny external surface-mount components, an inductor and two ceramic capacitors.

LM3674MF-ADJ/NOPB

Feature

  • Input Voltage Range From 2.7 V to 5.5 V
  • 600-mA Maximum Load Current
  • Available in Fixed and Adjustable Output Voltages Ranging From 1 V to 3.3 V
  • Operates From a Single Li-Ion Cell Battery
  • Internal Synchronous Rectification for High Efficiency
  • Internal Soft-Start
  • 0.01-μA Typical Shutdown Current
  • 2-MHz PWM Fixed Switching Frequency (typical)
  • Current Overload Protection and Thermal Shutdown Protection
Description

The LM3674 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 fixed output voltages and adjustable output voltage versions.

The device offers superior features and performance for mobile phones and similar portable systems. During the Pulse Width Modulation (PWM) mode, the device operates at a fixed-frequency of 2 MHz (typical). Internal synchronous rectification provides high efficiency during the PWM mode operation. In shutdown mode, the device turns off and reduces battery consumption to 0.01 μA (typical).

The LM3674 is available in a 5-pin SOT-23 package. A high switching frequency of 2 MHz (typical) allows use of only three tiny external surface-mount components, an inductor and two ceramic capacitors.

LM3674MF-ADJ/NOPB Block Diagram
(Picture: Diagram)

Technical Parameters

  • Input Voltage
  • 5.5 V
  • Switching Frequency
  • 2000 KHz
  • Output Voltage
  • 1 V to 3.3 V
  • Output Current
  • 0.6 A
  • Number of Outputs
  • 1
  • Maximum Operating Temperature
  • + 85 C
  • Mounting Style
  • SMD/SMT
  • Package / Case
  • SOT-23
  • Minimum Operating Temperature
  • - 30 C
  • Packaging
  • Reel
  • Series
  • LM3674
  • Factory Pack Quantity
  • 1000

LM3674MF-ADJ/NOPB Documents

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