Datenblatt-Suchmaschine für elektronische Bauteile |
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FAN1540 Datenblatt(PDF) 1 Page - Fairchild Semiconductor |
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FAN1540 Datenblatt(HTML) 1 Page - Fairchild Semiconductor |
1 / 15 page www.fairchildsemi.com REV. 1.0.8 3/22/04 Features • Very Low Ground Current (IGND = 1mA) • Excellent Line Regulation • Excellent Load Regulation • Very Low Transient Overshoot • Stable with low ESR Output Capacitor (ESR = 0m Ω) • Thermal Shutdown • Current Limit • Output Options: 3.3V and 1.8V Applications • Disk Drive Circuits • Desktop Computers • Laptop, Notebook Computers • General purpose Three Terminal Regulator Description The FAN1539/FAN1540 series of high current LDO (1.0A and 1.3A) has been developed for portable applications where low quiescent current is an important requirement. The device features excellent line and load transient response which does not exceed 10% of nominal output value for full operating temperature range even during power ON cycle and short circuit removal. Internally trimmed, temperature compensated bandgap reference guarantees 2.5% accuracy for full range of input voltage, output current and tempera- ture. Included on the chip are accurate current limit and ther- mal shutdown protection. Device stability is achieved with only two external low ESR ceramic capacitors. The FAN1539/FAN1540 is available in thermally enhanced 3x3mm 6-lead MLP, 5x6mm 8-lead MLP package and 3-lead TO-252 packages. The 5x6mm MLP package version features separate Kelvin sense pin for high precision applica- tions. FAN1539/FAN1540 1A/1.3A, LDO With Low Quiescent Current Block Diagram Notes: 1. No connection for FAN1540MMPX. 2. VSEN available for FAN1540MMPX. CURRRENT LIMIT THERMAL SHUTDOWN BANDGAP REFERENCE VIN VOUT VSENSE GND SRART-UP CIRCUIT ERROR AMPLIFIER X (Note1) (Note2) |
Ähnliche Teilenummer - FAN1540 |
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Ähnliche Beschreibung - FAN1540 |
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