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| Part Number | ISL80101IR50Z | ISL80121IR50Z | 
|---|---|---|
| Manufacturer | Intersil | Renesas Electronics America Inc | 
| Product Status | Obsolete | Active | 
| Output Configuration | Positive | Positive | 
| Output Type | Fixed | Fixed | 
| Number of Regulators | 1 | 1 | 
| Voltage - Input (Max) | 6V | 6V | 
| Voltage - Output (Min/Fixed) | 5V | 5V | 
| Voltage - Output (Max) | - | - | 
| Voltage Dropout (Max) | 0.212V @ 1A | 0.13V @ 1A | 
| Current - Output | 1A | 1A | 
| Current - Quiescent (Iq) | 5 mA | 5 mA | 
| Current - Supply (Max) | 7 mA | 7 mA | 
| PSRR | 65dB ~ 58dB (120Hz ~ 1kHz) | 40dB (1kHz) | 
| Control Features | Enable, Power Good, Soft Start | Current Limit, Enable, Power Good, Soft Start | 
| Protection Features | Over Current, Over Temperature | Over Temperature | 
| Operating Temperature | -40°C ~ 125°C | -40°C ~ 125°C | 
| Mounting Type | Surface Mount | Surface Mount | 
| Package / Case | 10-VFDFN Exposed Pad | 10-VFDFN Exposed Pad | 
| Supplier Device Package | 10-DFN (3x3) | 10-DFN (3x3) |