ISL6402A

Features: • Wide Input Supply Voltage Range . . . . . . . . . 4.5V to 24V• Three Independently Programmable Output Voltages• Switching Frequency . . . . . . . . . . . . . . . . . . . . . . .1.4MHz• Out of Phase PWM Controller Operation - Reduces Required Input Capacitance a...

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ISL6402A Picture
SeekIC No. : 004380258 Detail

ISL6402A: Features: • Wide Input Supply Voltage Range . . . . . . . . . 4.5V to 24V• Three Independently Programmable Output Voltages• Switching Frequency . . . . . . . . . . . . . . . . . ....

floor Price/Ceiling Price

Part Number:
ISL6402A
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Upload time: 2024/12/21

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Product Details

Description



Features:

• Wide Input Supply Voltage Range . . . . . . . . . 4.5V to 24V
• Three Independently Programmable Output Voltages
• Switching Frequency . . . . . . . . . . . . . . . . . . . . . . .1.4MHz
• Out of Phase PWM Controller Operation
   - Reduces Required Input Capacitance and Power Supply Induced Loads
• No External Current Sense Resistor
   - Uses Lower MOSFET's rDS(ON)
• Bi-directional Frequency Synchronization for Synchronizing Multiple ISL6402As
• Programmable Soft-Start
• Extensive circuit protection functions
   - PGOOD
   - UVLO
   - Overcurrent
   - Overtemperature
   - Independent Shutdown for Both PWMs
• Excellent Dynamic Response
   - Voltage Feed-Forward with Current Mode Control
• QFN Packages:
   - QFN - Compliant to JEDEC PUB95 MO-220
     QFN - Quad Flat No Leads - Package Outline
   - Near Chip Scale Package footprint, which improves PCB efficiency and has a thinner profile
• Pb-Free Available (RoHS Compliant)



Application

• Power Supplies with Multiple Outputs
• xDSL Modems/Routers
• DSP, ASIC, and FPGA Power Supplies
• Set-Top Boxes
• Dual Output Supplies for DSP, Memory, Logic, P Core and I/O
• Telecom Systems



Pinout

  Connection Diagram


Specifications

Supply Voltage (VCC_5V Pin) . . . . . . . . . . . . . . . . . . . . -0.3V to +7V
Input Voltage (VIN Pin) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .+30V
BOOT1, 2 and UGATE1, 2. . . . . . . . . . . . . . . . . . . . . . . . . . . . +35V
PHASE1, 2 and ISEN1, 2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . +30V
BOOT1, 2 with respect to PHASE1, 2 . . . . . . . . . . . . . . . . . . . +6.5V
UGATE1, 2. . . . . . . . . . . . (PHASE1, 2 - 0.3V) to (BOOT1, 2 +0.3V)



Description

The ISL6402A is a high-performance, triple-output controller optimized for converting wall adapter, battery or  network intermediate bus DC input supplies into the system supply voltages required for a wide variety of applications. Each output is adjustable down to 0.8V. The two PWMs are synchronized 180o out of phase reducing the RMS input current and ripple voltage.The ISL6402A incorporates several protection features. An adjustable overcurrent protection circuit monitors the output current by sensing the voltage drop across the lower MOSFET. Hiccup mode overcurrent operation protects the DC-DC components from damage during output overload/short circuit conditions. Each PWM has an independent logic-level shutdown input (SD1 and SD2).A single PGOOD signal is issued when soft-start is complete on both PWM controllers and their outputs are within 10% of the set point and the linear regulator output is greater than 75% of its setpoint. Thermal shutdown circuitry turns off the device if the junction temperature exceeds +150°C.


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