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| Part Number | FAN1538PBX | FAN1537PBX | FAN1538DBX | FAN1538PAX |
|---|---|---|---|---|
| Manufacturer | Fairchild Semiconductor | Fairchild Semiconductor | Fairchild Semiconductor | Fairchild Semiconductor |
| Product Status | Active | Active | Active | Active |
| Output Configuration | Positive | Positive | Positive | Positive |
| Output Type | Adjustable (Fixed) | Adjustable (Fixed) | Adjustable (Fixed) | Fixed |
| Number of Regulators | 2 | 1 | 2 | 2 |
| Voltage - Input (Max) | 5.25V | 10V | 5.25V | 5.25V |
| Voltage - Output (Min/Fixed) | 1.4V (3.3V) | 3.2V (3.3V) | 1.4V (3.3V) | 3.3V, 2.5V |
| Voltage - Output (Max) | 5.25V | 10V | 5.25V | - |
| Voltage Dropout (Max) | - | 1.3V @ 1A | - | - |
| Current - Output | 1A, 1A | 1A | 1A, 1A | 1A, 1A |
| Current - Quiescent (Iq) | 15 mA | 15 mA | 15 mA | 15 mA |
| Current - Supply (Max) | - | - | - | - |
| PSRR | - | - | - | - |
| Control Features | Soft Start | - | Soft Start | Soft Start |
| Protection Features | Over Current, Over Temperature, Under Voltage Lockout (UVLO) | Over Current, Over Temperature | Over Current, Over Temperature, Under Voltage Lockout (UVLO) | Over Current, Over Temperature, Under Voltage Lockout (UVLO) |
| Operating Temperature | 0°C ~ 125°C (TA) | 0°C ~ 150°C (TJ) | 0°C ~ 125°C (TA) | 0°C ~ 125°C (TA) |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Package / Case | SPak-5 (5 leads + Tab) | SPak-5 (5 leads + Tab) | TO-252-6, DPak (5 Leads + Tab) | SPak-5 (5 leads + Tab) |
| Supplier Device Package | S-PAK-5 | 5-SPAK | TO-252 (DPAK-5) | S-PAK-5 |
