SI4779CY-T1 Vishay, SI4779CY-T1 Datasheet
SI4779CY-T1
Specifications of SI4779CY-T1
Related parts for SI4779CY-T1
SI4779CY-T1 Summary of contents
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... Battery-Charger Circuits MOSFET junction temperature within specification, thereby eliminating the need for thermal shutdown. The low quiescent current makes the Si4779CY ideal for use in battery powered devices. The Si4779CY operates on both 3 V and 5 V busses, and is packaged ® in the LITTLE FOOT – ...
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... Si4779CY Vishay Siliconix ABSOLUTE MAXIMUM RATINGS T Parameter Voltage GND Voltage Continuous Drain Current (T = 150 ° Maximum Power Dissipation Operating Junction and Storage Temperature Range Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied ...
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... 500 mA IN OUT 0.5 Ω cyc IN L current ratio, current-limit amplifier and external set resistor accuracy OUT t t off rise Si4779CY Vishay Siliconix Limits Min Typ Max 2.7 5 0.035 0.045 = 2 A 0.045 0.055 = OUT = OUT 0.8 2.0 2.4 0.01 ± ...
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... Si4779CY Vishay Siliconix TIMING DIAGRAMS TYPICAL CHARACTERISTICS 25 °C, unless noted 2.5 2 1.5 1.0 0.5 R value is measured in circuit SET 0.0 200 300 400 500 600 1000 100 – Ambient Temperature (°C) A FIGURE 6. Supply Current, Output Disable vs. Ambient Temperature Over Operating Voltage www ...
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... NOTE: Discharge time based primarily on external R and C FIGURE 10. Switch Turn-OFF Time Document Number: 71664 S-60423–Rev. B, 20-Mar- °C, unless otherwise noted A 1 ms/div 200 µs/div NOTE: Discharge time based primarily on external R and C FIGURE 11. Switch Turn-OFF Time Si4779CY Vishay Siliconix CH1 0.5 A/div OUT CH2 V/div µF OUT L CH3: ON, 5 V/div FIGURE 9 ...
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... Si4779CY Vishay Siliconix TYPICAL WAVEFORMS ms/div CH1: ON, 5 V/div = 0.5 Ω, C CH2 V/div, R OUT L CH3: FAULT, 5 V/div CH4 A/div OUT FIGURE 12. FAULT to Short Response (t 2 ms/div CH1: ON, 5 V/div CH2: PS Droops, 50 mV/div, Offset = 0.5 Ω, C CH3 V/div, R OUT L CH4 0.5 A/div OUT NOTE: Special test with 820-µ ...
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... PIN CONFIGURATION SO Si4779CY Top View Ordering Information: Si4779CY-T1 Si4779CY-T1-E3 (Lead (Pb)-free) DETAILED BLOCK DIAGRAM UVLO SET R SET Document Number: 71664 S-60423–Rev. B, 20-Mar-06 PIN DESCRIPTION Pin Symbol 1, 2 OUT 8 OUT 7 3 FAULT 6 GND GND 6 FAULT 7, 8 OUT – – FIGURE 16. ...
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... Si4779CY Vishay Siliconix DETAILED DESCRIPTION The SI4779CY limits the output current to a user-defined level. When the output current passes through the main switch a fraction of this current passes through a replica switch and R . SET external sense resistor used to set the level SET of the over current limit; the over current limit should be set between 0 ...
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... Vishay disclaims any and all liability arising out of the use or application of any product described herein or of any information provided herein to the maximum extent permitted by law. The product specifications do not expand or otherwise modify Vishay’ ...