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Obsolete
Renesas Electronics America Inc.
Renesas Electronics Corporation pioneers intricate semiconductor solutions, empowering myriad intelligent devices to enhance human lives securely. A global leader in microcontrollers, analog products, and SoCs, Renesas shapes a limitless future across Automotive, Industrial, and ICT domains.
Bostock Quality Assurance
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ISL9440CIRZ-T Features
• Three Integrated Synchronous Buck PWM Controllers- Internal Bootstrap Diodes- Internal Compensation • Independent Control for each Regulator andProgrammable Output Voltages; IndependentEnable/Shutdown/Soft-start • Fixed Switching Frequency: 300kHz(B), 600kHz(C) • Adaptive Shoot-Through Protection on all SynchronousBuck Controllers • Pre-biased Output Start-up Capability • Out-of-Phase Switching to Reduce Input Capacitance(0°/180°/0°) • No External Current Sense Resistor- Uses Lower MOSFET’s rDS(ON) • Current Mode Controller with Voltage Feed-Forward • Complete Protection- Overcurrent, Overvoltage, Undervoltage Lockout,Over-Temperature • Cycle-by-Cycle Current Limiting • Wide Input Voltage Range- Input Rail Powers VIN Pin: 5.6V to 24V- Input Rail Powers VCC_5V Pin (VIN tied to VCC_5V, for5V input applications): 4.5V to 5.6V • Early Warning on Input Voltage Failure • Integrated Reset Function • Pb-Free (RoHS Compliant)
ISL9440CIRZ-T Applications
• Satellite and Cable Set-Top Boxes • Cable Modems • VoX Gateway Devices • NAS/SAN Devices • ATX Power Supply
Product Attributes
| TYPE | DESCRIPTION | Select all |
|---|---|---|
| Supply Voltage | 4.5V ~ 24V | |
| Product Status | Obsolete | |
| Operating Temperature | -40°C ~ 85°C | |
| Topology | Step-Down (Buck) Synchronous (3), Linear (LDO) (1) | |
| Mounting Type | Surface Mount | |
| Number of Outputs | 4 | |
| Package / Case | 32-VFQFN Exposed Pad | |
| Frequency - Switching | 600kHz | |
| Supplier Device Package | 32-QFN (5x5) | |
| Voltage/Current - Output 1 | Controller | |
| Voltage/Current - Output 2 | Controller | |
| Voltage/Current - Output 3 | Controller | |
| with LED Driver | No | |
| with Supervisor | No | |
| with Sequencer | No | |
| Package | Tape & Reel (TR) |
Obsolete
Renesas Electronics America Inc.
Renesas Electronics Corporation pioneers intricate semiconductor solutions, empowering myriad intelligent devices to enhance human lives securely. A global leader in microcontrollers, analog products, and SoCs, Renesas shapes a limitless future across Automotive, Industrial, and ICT domains.
Bostock Quality Assurance
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