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Details for LM3674MF-ADJ by Texas Instruments
Electronic & Electrical Components > Semiconductors - ICs > Power Management
STEP DOWN CONV 600MA POWERWISE
LM3674MF-ADJ image

LM3674MF-ADJ by Texas Instruments

STEP DOWN CONV 600MA POWERWISE
Features
0.01-u00b5A Typical Shutdown Current
2-MHz PWM Fixed Switching Frequency (typical)
600-mA Maximum Load Current
Available in Fixed and Adjustable Output Voltages Ranging From 1 V to 3.3 V
Current Overload Protection and Thermal
Input Voltage Range From 2.7 V to 5.5 V
Internal Soft-Start
Internal Synchronous Rectification for High Efficiency
Operates From a Single Li-Ion Cell Battery
Part Information
LM3674MF-ADJ image
RoHS Compliant
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.
Specifications
Topology:
Buck (Step Down)
Input Voltage Min:
2.7V
Input Voltage Max:
5.5V
No. of Outputs:
1Outputs
DC / DC Converter IC Case:
SOT-23
No. of Pins:
5Pins
Output Current:
600mA
Output Voltage Min:
1V
Output Voltage Max:
3.3V
Switching Frequency:
2.6MHz
Operating Temperature Max:
85°C
Product Range:
-
Automotive Qualification Standard:
-
RoHS Phthalates Compliant:
Yes
MSL:
MSL 1 - Unlimited
SVHC:
No SVHC (27-Jun-2018)
Adjustable Output Voltage Min:
1V
Base Number:
3674
Frequency:
2.6MHz
Operating Temperature Min:
-30°C
Operating Temperature Range:
-30°C to +85°C
Output Voltage:
3.3V
Primary Input Voltage:
5.5V
Supply Voltage Min:
2.7V
Switch Output Current Isw Max:
1.2A
Termination Type:
Surface Mount Device
Voltage Regulator Type:
Step Down DC-DC Converter
Alternate Descriptions
Conv DC-DC Single Step Down 2.7V to 5.5V 5-Pin SOT-23 T/R Avnet America