Texas Instruments LP38503TSX-ADJ/NOPB
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $3.16 | $3.16 |
| 15+ | $3.06 | $45.90 |
| 25+ | $3.00 | $75.00 |
| 50+ | $2.83 | $141.50 |
| 100+ | $2.50 | $250.00 |
| N+ | $0.50 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | Texas Instruments |
| Product Series | |
| Packaging | Cut Tape (CT) | Tape & Reel (TR) |
| Output Configuration | Positive |
| Output Type | Adjustable |
| Number of Regulators | 1 |
| Voltage - Input (Max) | 5.5V |
| Voltage - Output (Min/Fixed) | 0.6V |
| Voltage - Output (Max) | 5V |
| Voltage Dropout (Max) | 0.67V @ 3A |
| Current - Output | 3A |
| Current - Quiescent (Iq) | 15 µA |
| Current - Supply (Max) | 4 mA |
| PSRR | 58dB ~ 56dB (120Hz ~ 1kHz) |
| Control Features | - |
| Protection Features | Over Current, Over Temperature, Short Circuit |
| Operating Temperature | -40°C ~ 125°C |
| Grade | - |
| Qualification | - |
| Mounting Type | Surface Mount |
| Package / Case | TO-263-6, D2PAK (5 Leads + Tab), TO-263BA |
| Supplier Device Package | TO-263 (DDPAK-5) |
| ROHS |  |
The LP38503TSX-ADJ/NOPB is a 3A low dropout regulator from Texas Instruments with an adjustable output from 0.6V to 5V. Its ultra-low 15µA quiescent current and 0.67V dropout make it ideal for battery-powered and low-headroom applications. The TO-263-5 package ensures excellent thermal performance.
- Ultra-Low Quiescent Current (15µA): Extends battery life in portable and standby applications.
- Very Low Dropout (0.67V @ 3A): Allows operation from tightly regulated rails, reducing power dissipation.
- Adjustable Output (0.6V-5V): Supports modern low-voltage cores and flexible design requirements.
- 3A Output Current: Suitable for high-current loads in compact packages.
Battery-Powered Portable Devices
With 15µA quiescent current and 0.67V dropout, it maximizes battery life in handheld instruments and IoT devices.
Low-Voltage DSP and FPGA Cores
Regulate down to 0.6V for modern low-voltage digital cores, with 3A capability for high-performance processors.
Automotive Infotainment
Provide clean, adjustable power for infotainment processors, with low dropout to handle battery voltage variations.
Post-Regulation for High-Efficiency Converters
Use after a buck converter to reduce ripple and noise, with 58dB PSRR at 120Hz for clean analog supplies.
Industrial Sensor Nodes
Power precision sensors and ADCs with ultra-low quiescent current, extending field life in remote monitoring.
Telecom Line Cards
Deliver adjustable 0.6V-5V rails for ASICs and FPGAs, with robust thermal performance in the DDPAK-5 package.
- Q: What is the output voltage range?
- A: The adjustable output ranges from 0.6V to 5V, set by external resistors.
- Q: What is the maximum output current?
- A: It delivers up to 3A of continuous output current.
- Q: What is the dropout voltage?
- A: Dropout is very low at 0.67V typical at 3A load, ideal for low-headroom designs.
- Q: What is the quiescent current?
- A: Ultra-low quiescent current of 15µA, making it excellent for battery-powered applications.
- Q: What is the PSRR?
- A: PSRR is 58dB at 120Hz and 56dB at 1kHz, providing good noise rejection.
- Q: What package is available?
- A: It comes in the TO-263 (DDPAK-5) package with 5 pins for enhanced thermal performance.
LP38503TSX-ADJ/NOPB.pdf
- Q: What is the output voltage range?
- A: The adjustable output ranges from 0.6V to 5V, set by external resistors.
- Q: What is the maximum output current?
- A: It delivers up to 3A of continuous output current.
- Q: What is the dropout voltage?
- A: Dropout is very low at 0.67V typical at 3A load, ideal for low-headroom designs.
- Q: What is the quiescent current?
- A: Ultra-low quiescent current of 15µA, making it excellent for battery-powered applications.
- Q: What is the PSRR?
- A: PSRR is 58dB at 120Hz and 56dB at 1kHz, providing good noise rejection.
- Q: What package is available?
- A: It comes in the TO-263 (DDPAK-5) package with 5 pins for enhanced thermal performance.
