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LM328 Pinout Diagram

Part Series:LM328 Series
Category:DC-DC Converters
Description:Conv DC-DC 3V to 5.5V Step Down Single-Out 3.3V 1.2A 6Pin DSBGA T/R
Document:LM3280TL-275/NOPB Datasheet PDF (27 Pages)

LM3281YFQR - TI Specifications

TYPE
DESCRIPTION
Mounting Style
Surface Mount
Number of Pins
6 Pin
Case/Package
UFBGA-6
Number of Outputs
1 Output
Output Voltage
3.3 V
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LM3281YFQR - TI Function Overview

The LM3281 is a high-efficiency low-noise miniature DC-DC converter optimized for powering noise-sensitive wireless connectivity chipsets and RF Front End Modules (FEMs) from a single Lithium-Ion cell. The LM3281 is ideal for “always on” applications with very low unloaded quiescent current of 16 µA (typ.).
The LM3281 steps down an input supply voltage to a fixed output voltage of 3.3 V with output current up to 1200 mA. Five different modes of operation are used to optimize efficiency and minimize battery drain. In Pulse Width Modulation (PWM) mode, the device operates at a fixed frequency of 6 MHz which minimizes RF interference when driving medium-to-heavy loads. At light load, the device automatically enters into Economy (ECO) mode with reduced quiescent current. In a low-battery voltage condition, a bypass mode reduces the voltage dropout to 60 mV (typ.) at 600 mA. If very low output voltage ripple is desired at light loads, the device can also be forced into PWM mode. Shutdown mode turns the device off and reduces battery consumption to 0.1 µA (typ.).
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