LM3671MF-3.3/NOPB Semiconductors - ICs by Texas Instruments

IC STEP-DOWN DC/DC CONVERTER 5-SOT-23

Status: Unknown
Series: -
RoHS: Unknown
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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.
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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. 3.3V
Switching Frequency 2MHz
Operating Temperature Max 85°C
Product Range -
Automotive Qualification Standard -
MSL MSL 1 - Unlimited
SVHC No SVHC (27-Jun-2018)
Accuracy % 0.04%
Adjustable Output Voltage Min 1.1V
Base Number 3671
Frequency 2MHz
No. of Outputs 1Outputs
Operating Temperature Min -30°C
Operating Temperature Range -30°C to +85°C
Output Voltage 3.3V
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)

Alternative Descriptions

2MHz, 600mA Step-Down DC-DC Converter | Texas Instruments
IC, STEP-DOWN DC/DC CONVERTER, 5-SOT-23 | Newark Electronics
LM3671MF-3.3/NOPB TI | Elfaro
IC: PMIC | Transfer Multisort Elektronik

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This part has not been flagged as RoHS Compliant.

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