TLV75533PDRVR

1 Features

• Input Voltage Range: 1.45 V to 5.5 V 

• Low IQ: 25 µA (Typical)

• Low Dropout:

– 238 mV (Maximum) at 500 mA (3.3 VOUT) 

• Output Accuracy: 1% (Maximum at 85°C)

• Built-In Soft-Start With Monotonic VOUT Rise

• Foldback Current Limit

• Active Output Discharge

• High PSRR: 46 dB at 100 kHz

• Stable With a 1-µF Ceramic Output Capacitor

• Packages:

– 2.9-mm × 1.6-mm SOT-23-5

– 1-mm x 1-mm X2SON-4

– 2 mm × 2 mm WSON-6

2 Applications

• Set-Top Boxes, TV, and Gaming Consoles

• Portable and Battery-Powered Equipment

• Desktop, Notebooks, and Ultrabooks

• Tablets and Remote Controls

• White Goods and Appliances

• Grid Infrastructure and Protection Relays

• Camera Modules and Image Sensors

3 Description

The TLV755P is an ultra-small, low quiescent current, low-dropout regulator (LDO) that sources 500 mA with good line and load transient performance. The TLV755P is optimized for a wide variety of applications by supporting an input voltage range

from 1.45 V to 5.5 V. To minimize cost and solution size, the device is offered in fixed output voltages ranging from 0.6 V to 5 V to support the lower corevoltages of modern microcontrollers (MCUs).

Additionally, the TLV755P has a low IQ with enable functionality to minimize standby power. This device

features an internal soft-start to lower inrush current, thus providing a controlled voltage to the load and minimizing the input voltage drop during start up. When shutdown, the device actively pulls down the output to quickly discharge the outputs and ensure a known start-up state.

The TLV755P is stable with small ceramic output capacitors allowing for a small overall solution size. A precision band-gap and error amplifier provides a typical accuracy of 1%. All device versions have integrated thermal shutdown, current limit, and undervoltage lockout (UVLO). The TLV755P has an internal foldback current limit that helps reduce the thermal dissipation during short-circuit events.

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