| Part Number | UCD9220RGZT | UCD9224RGZT | 
|---|---|---|
| Manufacturer | Texas Instruments | Texas Instruments | 
| Category | PMIC - Voltage Regulators - DC DC Switching Controllers | PMIC - Voltage Regulators - DC DC Switching Controllers | 
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| Product Status | Active | Active | 
| Output Type | PWM Signal | PWM Signal | 
| Function | Step-Down | Step-Down | 
| Output Configuration | Positive | Positive | 
| Topology | Buck | Buck | 
| Number of Outputs | 4 | 2 | 
| Output Phases | 4 | 2 | 
| Voltage - Supply (Vcc/Vdd) | 3V ~ 3.6V | 3V ~ 3.6V | 
| Frequency - Switching | 15.26kHz ~ 2MHz | 15.26kHz ~ 2MHz | 
| Duty Cycle (Max) | 100% | 100% | 
| Synchronous Rectifier | No | No | 
| Clock Sync | Yes | Yes | 
| Serial Interfaces | I²C, PMBus, SMBus | I²C, PMBus, SMBus | 
| Control Features | Tracking | Enable, Power Good, Reset, Sequencing, Tracking | 
| Operating Temperature | -40°C ~ 110°C (TA) | -40°C ~ 125°C (TJ) | 
| Mounting Type | Surface Mount | Surface Mount | 
| Package / Case | 48-VFQFN Exposed Pad | 48-VFQFN Exposed Pad | 
| Supplier Device Package | 48-VQFN (7x7) | 48-VQFN (7x7) |