Manufacturer Part Number
LP38690SDX-3.3
Manufacturer
Texas Instruments
Introduction
LP38690SDX-3.3 is a low dropout regulator designed for power-sensitive applications.
Product Features and Performance
Positive output configuration
Fixed output type
Single regulator channel
Max input voltage 10V
Fixed output voltage 3.3V
Maximum voltage dropout 1V at 1A load
Output current capability up to 1A
Low quiescent current of 55 µA
Maximum supply current of 100 µA
Good power supply rejection ratio (PSRR) of 55dB at 120Hz
Product Advantages
High efficiency for longer battery life in portable applications
Stable with low ESR capacitors
Low quiescent current suitable for always-on and standby operations
Key Technical Parameters
Single LDO regulator
Input voltage up to 10V
Fixed 3.3V output
Up to 1A output current
1V maximum dropout at full load
55 µA quiescent current
100 µA maximum supply current
55dB PSRR at 120Hz
Quality and Safety Features
Built-in over temperature protection
Compatibility
Compatible with surface mount technologies
WDFN-6 (3mm x 3mm) package style
Application Areas
Ideal for battery-powered devices
Suitable for mobile phones, PDAs, and portable media players
Product Lifecycle
Obsolete status
Potential need to look for replacement parts or upgrades due to discontinuation
Reasons to Choose This Product
High-efficiency voltage regulation for low-power applications
Suitability for portable electronics with stringent power requirements
Low dropout performance enabling operation at lower input voltages
Stable operation with ceramic capacitors that are smaller and more reliable
Long product life with built-in temperature protection feature
Texas Instruments' reputable manufacturing legacy in power management solutions
