ISL6410A Intersil Corporation, ISL6410A Datasheet
ISL6410A
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ISL6410A Summary of contents
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... September 17, 2004 Features • Fully Integrated Synchronous Buck Regulator • PWM Fixed Output Voltage Options - 1.8V, 1.5V or 1.2V with ISL6410 (VIN = 3.3V) - 3.3V, 1.8V or 1.2V with ISL6410A (VIN = 5.0V) • Continuous Output Current . . . . . . . . . . . . . . . . . . 600mA • Ultra-Compact DC-DC Converter Design • Stable with Small Ceramic Output Capacitors • High Conversion Efficiency • ...
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... VIN SOFT 3 GND START 7 SYNC 6 VSET 8 EN NOTES: 1. VIN is 3.3V for ISL6410 and 5.0V for ISL6410A. 2. VSET in the above schematic is connected to VIN, so the VOUT is 1.8V for ISL6410 and 3.3V for ISL6410A. SLOPE COMPENSATION EN PWM OVERCURRENT OVERVOLTAGE LOGIC COMPENSATION 750kHz OSCILLATOR POWER GOOD PWM ...
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... VIN SOFT 3 GND START 9 SYNC 7 VSET 10 EN NOTES: 1. VIN is 3.3V for ISL6410 and 5.0V for ISL6410A. 2. VSET in the above schematic is connected to VIN, so the VOUT is 1.8V for ISL6410 and 3.3V for ISL6410A. SLOPE COMPENSATION EN PWM OVERCURRENT OVERVOLTAGE LOGIC COMPENSATION 750kHz OSCILLATOR POWER GOOD PWM ...
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... VSET FIGURE 1. SCHEMATIC USING THE ISL6410 MSOP 0.1µF 1 PVCC PGND 10 2 VIN L 9 ISL6410A 3 8 GND SYNC VSET FIGURE 2. SCHEMATIC USING THE ISL6410A MSOP VIN RESET GND ISL6410IR SYNC FIGURE 3 ...
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... Falling 0mA OUT EN = GND 25° GND 85°C A Rising Threshold ISL6410, VSET = L ISL6410, VSET = H ISL6410, VSET = OPEN ISL6410A, VSET = L ISL6410A, VSET = H ISL6410A, VSET = OPEN I = 3mA -40°C to 85°C OUT 3mA OUT I = 3mA to 600mA OUT I = 200mA ...
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... Frequency Synchronization Range (f SYNC SYNC High Level Input Voltage SYNC Low Level Input Voltage Sync Input Leakage Current Duty Cycle of External Clock Signal (Note 7) PGOOD (ISL6410 interfaces to 3.3V Logic, ISL6410A interfaces to 5.0V Logic) Rising Threshold Falling Threshold Rising/Falling Hysteresis ENABLE EN High Level Input Voltage ...
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... The PWM will continue to operate until VIN drops below the UVLO threshold. Functional Description The ISL6410, ISL6410A is a synchronous buck regulator with integrated N- and P-channel power MOSFET and provides pre-set pin programmable outputs. Synchronous rectification with internal MOSFETs is used to achieve higher ...
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... INDUCTOR VALUE 8.2µH 12µH COMMENTS Ceramic Vo Vo ) × × -------- - 1 – -------- - Vin Vin µH must be used for the ISL6410 and a µH for the ISL6410A. The selected inductor Vo f dIL + -------- - 2 COMPONENT DCR (mΩ) SUPPLIER 75 Coilcraft MSS6122-822MX 100 Coilcraft MSS6122-123MX ...
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... IOUT LOAD CURRENT (mA) FIGURE 6. ISL6410A EFFICIENCY vs LOAD CURRENT 9 ISL6410, ISL6410A input capacitor should be placed as close as possible to the IC pins. This applies to the output inductor and capacitor as well. The analog ground, GND, and the power ground, PGND, need to be separated. Use a common ground node to minimize the effects of ground noise ...
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... FIGURE 9. ISL6410A OSCILLATOR FREQUENCY vs L PIN VOLTAGE L1 CURRENT FIGURE 11. SWITCHING WAVEFORM FOR ISL6410A FIGURE 13. TRANSIENT LOAD WAVEFORM FOR ISL6410A -40 - TEMPERATURE (°C) TEMPERATURE VOUT VIN = 5.0V, VOUT = 1.2V, IOUT = 0.5A 0.5µs/DIV CH1 = 0.1V/DIV, CH2 = 2V/DIV CH4 = 200mA/DIV ...
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... NOISE LEVEL 761kHz = -54.0dBm CENTER 2.75MHz, SPAN = 4.5MHz FIGURE 16. SWITCHING HARMONICS AND NOISE FOR ISL6410 11 ISL6410, ISL6410A (Continued) VOUT VIN = 5.0V, VOUT = 1.2V FIGURE 15. RIPPLE WAVEFORM FOR ISL6410A -40 -50 -60 -70 -80 -90 -100 -110 -120 NOISE LEVEL 732kHz = -65.3dBm CENTER 2.75MHz, SPAN = 4.5MHz FIGURE 17 ...
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... Quad Flat No-Lead Plastic Package (QFN) Micro Lead Frame Plastic Package (MLFP) 12 ISL6410, ISL6410A L16.4x4 16 LEAD QUAD FLAT NO-LEAD PLASTIC PACKAGE (COMPLIANT TO JEDEC MO-220-VGGC ISSUE C) SYMBOL MIN 0. θ - NOTES: 1. Dimensioning and tolerancing conform to ASME Y14.5-1994. ...
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... However, no responsibility is assumed by Intersil or its subsidiaries for its use; nor for any infringements of patents or other rights of third parties which may result from its use. No license is granted by implication or otherwise under any patent or patent rights of Intersil or its subsidiaries. For information regarding Intersil Corporation and its products, see www.intersil.com 13 ISL6410, ISL6410A M10.118 (JEDEC MO-187BA) 10 LEAD MINI SMALL OUTLINE PLASTIC PACKAGE SYMBOL ...