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TPS22949 데이터시트 - Texas Instruments

부품번호상세내용제조사
TPS22949 Current-Limited Load Switch With Low Noise Regulation Capability Texas-Instruments
Texas Instruments Texas-Instruments
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TPS22949 데이타시트 PDF : TPS22949 pdf   
TPS22949A image

Description
The TPS22949 and TPS22949A are devices that provide protection to systems and loads in high- current conditions. The device contains a 500-mΩ current-limited P-channel MOSFET that can operate over an input voltage range of 1.62 V to 4.5 V as well as a low-dropout (LDO) regulator with a fixed output voltage of 1.8 V.

Features
• Integrated Current Limiter
    – Input Voltage Range: 1.62 V to 4.5 V
    – Low ON-Resistance
        – rON = 300-mΩ at VIN = 4.5 V
        – rON = 350-mΩ at VIN = 3.3 V
        – rON = 400-mΩ at VIN = 2.5 V
        – rON = 600-mΩ at VIN = 1.8 V
    – Integrated 100-mA Minimum Current Limit
    – Undervoltage Lockout
    – Fast-Current Limit Response Time
    – Integrated Fault Blanking and Auto Restart
• Stable Without Current Limiter Output Capacitor (TPS22949A Only)
• Integrated Low-Noise RF LDO
    – Input Voltage Range: 1.62 V to 4.5 V
    – Low Noise: 50 μVrms (10 Hz to 100 kHz)
    – 80-dB VIN PSRR (10 Hz to 10 kHz)
    – Fast Start-Up Time: 130 μs
    – Low Dropout 100 mV at Iload =100 mA
    – Integrated Output Discharge
    – Stable With 2.2-μF Output Capacitor
• 1.8-V Compatible Control Input Threshold
• ESD Performance Tested Per JESD 22
    – 3500 V Human Body Model (A114-B, Class II)
    – 1000 V Charged Device Model (C101)
• Tiny 8-Terminal YZP Package (1.9 mm × 0.9 mm, 0.5-mm Pitch, 0.5-mm Height) and WSON-8 (DRG) 3.0 mm × 3.0 mm

Applications
• Fingerprint Module Protection
• Portable Consumer Electronics
• Smart Phones
• Notebooks
• Control Access Systems

 

"TPS22949" 관련 부품명

부품번호상세내용PDF제조사
TPS22949 CURRENT-LIMITED LOAD SWITCH WITH LOW NOISE REGULATION CAPABILITY TPS22949 View Texas Instruments
TPS22946 ULTRA-LOW POWER, LOW INPUT VOLTAGE, CURRENT-LIMITED LOAD SWITCH WITH SHUT-OFF, AUTO-RESTART, AND OVER-CURRENT CONDITION TIME-OUT TPS22946 View Texas Instruments
TPS22951 CURRENT-LIMITED 1-Ω SMART-LOAD SWITCH TPS22951 View Texas Instruments
TS1900 Ultra Low Quiescent Current Smart Load Switch TS1900 View TSC Corporation
TPS22941 LOW-INPUT-VOLTAGE CURRENT-LIMITED LOAD SWITCHES WITH SHUT OFF AND AUTO-RESTART FEATURE TPS22941 View Texas Instruments
TPS22963 ULTRA-LOW ON-RESISTANCE, 3A LOAD SWITCH WITH REVERSE CURRENT PROTECTION AND CONTROLLED TURN-ON TPS22963 View Texas Instruments
TPS2590 3-V to 20-V High-Current Load Switch TPS2590 View Texas Instruments
FPF2193 Full-Function Load Switch with Adjustable Current Limit FPF2193 View ON Semiconductor
FPF2163 Full Function Load Switch with Adjustable Current Limit FPF2163 View Fairchild Semiconductor
FPF2200 Integrated Load Switch with 500mA High Precision Current Limit FPF2200 View Fairchild Semiconductor

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