PMP9781, Small, High-Efficiency Split-Rail Supply Reference Design for Portable Audio Applications
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Documents connexes
Pour les produits finaux
- Handsets
- Multimedia Devices
- Portable Audio
- Portable Consumer Electronics
- Smart Phone
- Tablet
Description
- PMP9781, Small, High-Efficiency Split-Rail Supply Reference Design for Portable Audio Applications. Differential HeadPhone amplifiers require positive and negative voltages. In this reference design, both voltages are generated from a single input voltage with an all integrated split-rail converter. It only requires one inductor and a minimal amount of external components to achieve a high efficiency power supply that keeps the distortion of the system very low. End users benefit from High Fidelity audio performances with longer playback time in their mobile application
Caractéristiques principales
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Conversion TypeDC to DC
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Input Voltage2.5 to 5.5 V
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Output Voltage5 V
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Output Current0.04 A
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Output Power0.2 W
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Efficiency90 %
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TopologyBoost- Synchronous|LDO
Pièces en vedette (2)
| Pièce numéro | Fabricant | Type | Description | |||
|---|---|---|---|---|---|---|
|
OPA1612AID | Texas Instruments | Audio Amplifiers | Audio Amp Speaker 1-CH Mono Class-AB 8-Pin SOIC Tube | Ajouter au panier | |
|
TPS65132L0YFFR | Texas Instruments | LCD Drivers | LCD Driver 3.3V/5V 15-Pin DSBGA T/R | Ajouter au panier | |