The IR3622 IC integrates a dual synchronous Buck controller, providing a high performance and flexible solution. The IR3622 can be configured as 2-independent outputs or as current shared single output. The current share configuration is ideal for high current applications.
• Dual Synchronous Controller with 180° Out of Phase Operation
• Configurable to 2-Independent Outputs or Current Shared Single Output
• Output Voltage Tracking
• Power up / down Sequencing
• Current Sharing Using Inductor’s DCR
• +/-1% Accurate Reference Voltage
• Programmable Switching Frequency up 600kHz
• Programmable Over Current Protection
• Hiccup Current Limit Using MOSFET Rds(on) sensing
• Latched Overvoltage Protection
• Dual Programmable Soft-Starts
• Programmable Enable Input
• Pre-Bias Start-up
• Dual Power Good Outputs
• On Board Regulator
• External Frequency Synchronization
• Thermal Protection
• 32-Lead MLPQ Package
• Embedded Telecom Systems
• Distributed Point of Load Power Architectures
• Computing Peripheral Voltage Regulators
• Graphics Cards
• General DC/DC Converters
Specifications
Attribute | Attribute Value |
---|---|
Manufacturer | Infineon |
Product Category | DC DC Switching Controllers |
Series | - |
Packaging | |
Mounting-Style | SMD/SMT |
Package-Case | 32-VFQFN Exposed Pad |
Operating-Temperature | -40°C ~ 125°C (TJ) |
Output-Type | Transistor Driver |
Function | Step-Down |
Supplier-Device-Package | 32-MLPQ (5x5) |
Number-of-Outputs | 2 Outputs |
Topology | Buck |
Voltage-Supply-Vcc-Vdd | 5.5 V ~ 14.5 V |
Frequency-Switching | 200kHz ~ 500kHz |
Control-Features | Frequency Control, Power Good, Soft Start |
Output-Configuration | Positive |
Output-Phases | 2 |
Duty-Cycle-Max | 0.865 |
Synchronous-Rectifier | Yes |
Clock-Sync | Yes |
Serial-Interfaces | - |
Maximum Operating Temperature | + 125 C |
Operating temperature range | - 40 C |
Output-Voltage | 0.8 V |
Input-Voltage | 4.7 V to 16 V |
Switching-Frequency | 500 kHz |
Package-Case | MLPQ-32 |
Form,Package,Functional compatible component
Descriptions
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A: Group buying delivery time: 30-60 days; General delivery time: 20 days.
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