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IP1001 Dataheets PDF



Part Number IP1001
Manufacturers International Rectifier
Logo International Rectifier
Description Full Function Synchronous Buck Power Block
Datasheet IP1001 DatasheetIP1001 Datasheet (PDF)

PD - 94336c iP1001 Full Function Synchronous Buck Power Block Integrated Power Semiconductors, Control IC & Passives Features • • • • • • • • • • 3.3V to 12V input voltage1 20A maximum load capability, with no derating up to TPCB = 90°C 5 bit DAC settable, 0.925V to 2V output voltage range 2 Configurable down to 3.3Vin & up to 3.3Vout with simple external circuit 3 200kHz or 300kHz nominal switching frequency Optimized for very low power losses Over & undervoltage protection Adjustable lossless.

  IP1001   IP1001


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PD - 94336c iP1001 Full Function Synchronous Buck Power Block Integrated Power Semiconductors, Control IC & Passives Features • • • • • • • • • • 3.3V to 12V input voltage1 20A maximum load capability, with no derating up to TPCB = 90°C 5 bit DAC settable, 0.925V to 2V output voltage range 2 Configurable down to 3.3Vin & up to 3.3Vout with simple external circuit 3 200kHz or 300kHz nominal switching frequency Optimized for very low power losses Over & undervoltage protection Adjustable lossless current limit Internal features minimize layout sensitivity * Very small outline 14mm x 14mm x 3mm iP1001 Power Block Description The iP1001 is a fully optimized solution for high current synchronous buck applications requiring up to 20A. The iP1001 is optimized for single-phase applications, and includes a full function fast transient response PWM control, with an optimized power semiconductor chip-set and associated passives, achieving benchmark power density. Very few external components are required, including output inductor, input & output capacitors. Further range of operation to 3.3Vin can be achieved with the addition of a simple external boost circuit, and operation up to 3.3Vout can be achieved with a simple external voltage divider. iPOWIR technology offers designers an innovative board space-saving solution for applications requiring high power densities. iPOWIR technology eases design for applications where component integration offers benefits in performance and functionality. iPOWIR technology solutions are also optimized internally for layout, heat transfer and component selection. iP1001 Internal Block Diagram VIN D0 D1 5 Bit D2 DAC D3 D4 ENABLE PGOOD ILIM FREQ VDD PWM & Driver VSW SGND GNDS VFS VF PGND * Although, all of the difficult PCB layout and bypassing issues have been addressed with the internal design of the iPOWIR block, proper layout techniques should be applied for the design of the power supply board. There are no concerns about unwanted shutdowns common to switching power supplies, if operated as specified. The iPOWIR block will function normally, but not optimally without any additional input decoupling capacitors. Input decoupling capacitors should be added at Vin pin for stable and reliable long term operation. No additional bypassing is required on the Vdd pin. See layout guidelines in datasheet for more detailed information. www.irf.com 05/20/03 1 iP1001 Parameter VIN to PGND VDD to PGND VFS VF D0-D4 PGOOD to PGND ENABLE to PGND ILIM FREQ Output RMS Current Block Temperature All specifications @ 25°C (unless otherwise specified) Absolute Maximum Ratings Symbol Min -0.3 -0.3 -0.3 -0.3 -0.3 -0.3 -0.3 -0.3 -0.3 -40 Typ Max 16.0 6.0 VDD+0.3 VDD+0.3 VDD+0.3 6.0 6.0 VDD+0.3 VDD+0.3 20 125 Units Conditions V TBLK A °C Recommended Operating Conditions Parameter Supply Voltage Input Voltage Range 1 Output RMS Current from VSW 4 Output Voltage Range 2 Symbol VDD VIN IoutVSW VOUT Min 4.5 3.3 0.925 Typ Max 5.5 12 20 2.0 Units V A V DAC Setting see VID code, Table1. Conditions With 4.5V


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