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Details for LM3671MF-1.8/NOPB by Texas Instruments
Electronic & Electrical Components > Semiconductors - ICs > Power Management
IC STEP-DOWN DC/DC CONVERTER 5-SOT-23
LM3671MF-1.8/NOPB image

LM3671MF-1.8/NOPB by Texas Instruments

IC STEP-DOWN DC/DC CONVERTER 5-SOT-23
Features
0.01-u00b5A Typical Shutdown Current
16-u00b5A Typical Quiescent Current
2-MHz PWM Fixed Switching Frequency (Typical)
600-mA Maximum Load Capability
AEC Q100-Qualified With the Following Results u2013 Device Temperature Grade 1: u201340u00b0C to +125u00b0C Ambient Operating Temperature Range
Automatic PFM-PWM Mode Switching
Available in Fixed Output Voltages and Adjustable
Current Overload and Thermal Shutdown Protection
Internal Soft Start
Internal Synchronous Rectification for High Efficiency
LM3671-Q1 is Qualified for Automotive Applications
Only Three Tiny Surface-Mount External Components Required (One Inductor, Two Ceramic Capacitors)
Operates from a Single Li-Ion Cell Battery
Part Information
LM3671MF-1.8/NOPB image
RoHS Compliant
Description
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
IC, STEP-DOWN DC/DC CONVERTER, 5-SOT-23; 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 RoHS Compliant: Yes Newark Electronics
Conv DC-DC Single Step Down 2.7V to 5.5V 5-Pin SOT-23 T/R Avnet America
Conv DC-DC Single Step Down 2.7V to 5.5V 5-Pin SOT-23 T/R Avnet Europe