Features
- High Performance LDO with 150mA Continuous Output
- Excellent Transient Response to Large Current Steps
- Excellent Load Regulation: <0.1% voltage change across full range of load current
- Very High PSRR: >90dB at 1kHz
- Wide Input Voltage Capability: 2.3V to 6.5V
- Extremely Low Quiescent Current: 31µA
- Low Dropout Voltage: Typically 200mV at 150mA
- Low Output Noise: Typically 20µVRMS at 100µA (1.5V)
- Stable with 1µF to 4.7µF Ceramic Capacitors
- Shutdown Pin Turns Off LDO with 1µA (max) Standby Current
- Soft-start Limits Input Current Surge During Enable
- Current Limit and Overheat Protection
- ±1.8% Accuracy Over all Operating Conditions
- 5 Ld SC-70 Package or 6 Ld µTDFN Package
- -40°C to +85°C Operating Temperature Range
- Pb-Free (RoHS compliant)
ISL9003A Functional Diagram
Description
ISL9003A is a high performance single low noise, high PSRR LDO that delivers a continuous 150mA of load current. It has a low standby current and is stable with 1µF of MLCC output capacitance with an ESR of up to 200mΩ. The ISL9003A has a very high PSRR of 90dB and output noise is 20µVRMS (typical). When coupled with a no load quiescent current of 31µA (typical), and 0. 5µA shutdown current, the ISL9003A is an ideal choice for portable wireless equipment. The ISL9003A comes in many fixed voltage options with ±1. 8% output voltage accuracy over temperature, line and load. Other output voltage options are available on request.
Parameters
| Attributes | Value |
|---|---|
| Input Voltage (Min) (V) | 2.3 |
| Input Voltage (Max) (V) | 6.5 |
| Output Voltage (Min) (V) | 1.5 |
| Output Voltage (Max) (V) | 3.3 |
| Output Current 1 (Max) (A) | 0.15 |
| Drop Out Voltage (Typical) | 200 @150mA |
| Fixed Output Voltage Option | Yes |
| PSRR (db) | 90 |
| Quiescent Current | 29 µA |
| Noise (10Hz to 100kHz) (μVrms) | 20 |
| Qualification Level | Standard |
Package Options
| Pkg. Type | Pkg. Dimensions (mm) | Lead Count (#) | Pitch (mm) |
|---|---|---|---|
| SC70 | 2.0 x 1.2 x 1.90 | 5 | 0.7 |
Application Block Diagrams
 | Human Machine Interface (HMI) for Appliances Customizable HMI system for smart appliances with display, touch, voice, and NFC options. |
 | Off-road GPS Guidance System High-accuracy GPS/GNSS system offers precise navigation for agricultural and industrial machinery. |
 | Kitchen Range Hood with 2D Touch Sensor Kitchen range hood with 2D touch control, enhanced sensing, and intuitive interaction. |
Additional Applications
- PDAs, Cell Phones and Smart Phones
- Portable Instruments, MP3 Players
- Handheld Devices Including Medical Handhelds
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| Part Number | Status | Samples | Stock | RoHS | Package | Budgetary Price (USD) | Lead Count (#) | Carrier Type | Moisture Sensitivity Level (MSL) | Pitch (mm) | Pkg. Dimensions (mm) | Pb (Lead) Free | Pb Free Category | Temp. Range (°C) | Country of Assembly | Country of Wafer Fabrication |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ISL9003AIENZ-T | Active | N/A | In Stock | RoHS:EN | SC70 | 1ku | $0.59 | 5# | Reel | 2 | 0.7mm | 2.0 x 1.2 x 1.90 | Yes | Pb-Free 100% Matte Tin Plate w/Anneal-e3 | -40 to +85°C | MALAYSIA | USA |
| ISL9003AIEBZ-T | Obsolete | N/A | In Stock | RoHS:EN | SC70 | 5# | Reel | 2 | 0.7mm | 2.0 x 1.2 x 1.90 | Yes | Pb-Free 100% Matte Tin Plate w/Anneal-e3 | -40 to +85°C | |||
| ISL9003AIECZ-T | Obsolete | N/A | In Stock | RoHS:EN | SC70 | 5# | Reel | 2 | 0.7mm | 2.0 x 1.2 x 1.90 | Yes | Pb-Free 100% Matte Tin Plate w/Anneal-e3 | -40 to +85°C | |||
| ISL9003AIEFZ-T | Obsolete | N/A | In Stock | RoHS:EN | SC70 | 5# | Reel | 2 | 0.7mm | 2.0 x 1.2 x 1.90 | Yes | Pb-Free 100% Matte Tin Plate w/Anneal-e3 | -40 to +85°C | |||
| ISL9003AIEHZ-T | Obsolete | N/A | In Stock | RoHS:EN | SC70 | 5# | Reel | 2 | 0.7mm | 2.0 x 1.2 x 1.90 | Yes | Pb-Free 100% Matte Tin Plate w/Anneal-e3 | -40 to +85°C | |||
| ISL9003AIEJZ-T | Obsolete | N/A | In Stock | RoHS:EN | SC70 | 5# | Reel | 2 | 0.7mm | 2.0 x 1.2 x 1.90 | Yes | Pb-Free 100% Matte Tin Plate w/Anneal-e3 | -40 to +85°C | |||
| ISL9003AIEKZ-T | Obsolete | N/A | In Stock | RoHS:EN | SC70 | 5# | Reel | 2 | 0.7mm | 2.0 x 1.2 x 1.90 | Yes | Pb-Free 100% Matte Tin Plate w/Anneal-e3 | -40 to +85°C | |||
| ISL9003AIEMZ-T | Obsolete | N/A | In Stock | RoHS:EN | SC70 | 5# | Reel | 2 | 0.7mm | 2.0 x 1.2 x 1.90 | Yes | Pb-Free 100% Matte Tin Plate w/Anneal-e3 | -40 to +85°C | |||
| ISL9003AIERZ-T | Obsolete | N/A | Out of Stock | RoHS:EN | SC70 | 5# | Reel | 2 | 0.7mm | 2.0 x 1.2 x 1.90 | Yes | Pb-Free 100% Matte Tin Plate w/Anneal-e3 | -40 to +85°C | |||
| ISL9003AIRUBZ-T | Obsolete | N/A | In Stock | RoHS:EN | uTDFN | 6# | Reel | 1 | 0.5mm | 1.6 x 1.6 x 0.00 | Yes | Nickel/Palladium/Gold-e4 | -40 to +85°C | |||
| ISL9003AIRUCZ-T | Obsolete | N/A | In Stock | RoHS:EN | uTDFN | 6# | Reel | 1 | 0.5mm | 1.6 x 1.6 x 0.00 | Yes | Nickel/Palladium/Gold-e4 | -40 to +85°C | |||
| ISL9003AIRUFZ-T | Obsolete | N/A | In Stock | RoHS:EN | uTDFN | 6# | Reel | 1 | 0.5mm | 1.6 x 1.6 x 0.00 | Yes | Nickel/Palladium/Gold-e4 | -40 to +85°C | |||
| ISL9003AIRUHZ-T | Obsolete | N/A | In Stock | RoHS:EN | uTDFN | 6# | Reel | 1 | 0.5mm | 1.6 x 1.6 x 0.00 | Yes | Nickel/Palladium/Gold-e4 | -40 to +85°C | |||
| ISL9003AIRUJZ-T | Obsolete | N/A | In Stock | RoHS:EN | uTDFN | 6# | Reel | 1 | 0.5mm | 1.6 x 1.6 x 0.00 | Yes | Nickel/Palladium/Gold-e4 | -40 to +85°C | |||
| ISL9003AIRUKZ-T | Obsolete | N/A | Out of Stock | RoHS:EN | uTDFN | 6# | Reel | 1 | 0.5mm | 1.6 x 1.6 x 0.00 | Yes | Nickel/Palladium/Gold-e4 | -40 to +85°C | |||
| ISL9003AIRUMZ-T | Obsolete | N/A | In Stock | RoHS:EN | uTDFN | 6# | Reel | 1 | 0.5mm | 1.6 x 1.6 x 0.00 | Yes | Nickel/Palladium/Gold-e4 | -40 to +85°C | |||
| ISL9003AIRUNZ-T | Obsolete | N/A | In Stock | RoHS:EN | uTDFN | 6# | Reel | 1 | 0.5mm | 1.6 x 1.6 x 0.00 | Yes | Nickel/Palladium/Gold-e4 | -40 to +85°C | |||
| ISL9003AIRURZ-T | Obsolete | N/A | Out of Stock | RoHS:EN | uTDFN | 6# | Reel | 1 | 0.5mm | 1.6 x 1.6 x 0.00 | Yes | Nickel/Palladium/Gold-e4 | -40 to +85°C |
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- Application NotePDF 397 KB an1684 Jan 19, 2004AI-generated Summary: The document outlines important legal disclaimers and usage guidelines for semiconductor products. It emphasizes user responsibility for product design and safety, disclaims liability for damages, and clarifies no intellectual property licenses are granted. Products are categorized by quality grades with specific application recommendations. Users must comply with laws, avoid unauthorized modifications, and ensure safe use within specified conditions. Contact details for Renesas Electronics sales offices worldwide are provided.
- Application NotePDF 509 KB an1681 Jan 19, 2004AI-generated Summary: The document explains grounding techniques for PCB layouts using a dual op amp example on a single-layer copper board. It compares three grounding schemes: a center spine ground trace, an outer ground plane, and a split/star ground plane, highlighting the benefits of single-point grounding to minimize noise and antenna effects. It emphasizes following current paths, minimizing loop lengths, and ensuring close forward and return paths to reduce interference. The document also includes disclaimers on product use, quality grades, safety, and legal compliance.
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