TLV74318PDQNR

1 Features

• Input Voltage Range: 1.4 V to 5.5 V 

• Stable Operation With 1-µF Ceramic Output Capacitor

• Foldback Overcurrent Protection

• Packages:

– SOT-23 (5)

– X2SON (4)

• Very Low Dropout: 125 mV at 300 mA (3.3 VOUT) 

• Accuracy: 1% (Typical), 1.4% (Maximum)

• Low IQ: 34 µA

 • Available in Fixed-Output Voltages: 1 V to 3.3 V 

• High PSRR: 50 dB at 1 kHz

• Active Output Discharge

2 Applications

• Tablets

• Smartphones

• Notebook and Desktop Computers

• Portable Industrial and Consumer Products

• WLAN and Other PC Add-On Cards

• Camera Modules

3 Description

The TLV743P low-dropout linear regulator (LDO) is an ultra-small, low quiescent current LDO that sources 300 mA with good line and load transient performance. The device provides a typical accuracy of 1%.

The TLV743P is designed to be stable with a small output capacitor with a value of 1 µF. The TLV743P device provides foldback current control during device power up and enabling. This functionality is especially important in battery-operated devices. 

The TLV743P provides an active pulldown circuit to quickly discharge output loads when the device is disabled.

The TLV743P is available in standard DBV (SOT-23) and DQN (X2SON) packages.

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