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| Part Number | LM337KTER | LM337KTTR | LM337KTPR | 
|---|---|---|---|
| Manufacturer | Texas Instruments | Texas Instruments | Texas Instruments | 
| Product Status | Obsolete | Active | Obsolete | 
| Output Configuration | Negative | Negative | Negative | 
| Output Type | Adjustable | Adjustable | Adjustable | 
| Number of Regulators | 1 | 1 | 1 | 
| Voltage - Input (Max) | -40V | -40V | -40V | 
| Voltage - Output (Min/Fixed) | -1.2V | -1.2V | -1.2V | 
| Voltage - Output (Max) | -37V | -37V | -37V | 
| Voltage Dropout (Max) | - | - | - | 
| Current - Output | 1.5A | 1.5A | 1.5A | 
| Current - Quiescent (Iq) | - | - | - | 
| Current - Supply (Max) | - | - | - | 
| PSRR | 77dB (120Hz) | 77dB (120Hz) | 77dB (120Hz) | 
| Control Features | - | - | - | 
| Protection Features | Over Temperature, Short Circuit | Over Temperature, Short Circuit | Over Temperature, Short Circuit | 
| Operating Temperature | 0°C ~ 125°C | 0°C ~ 125°C | 0°C ~ 125°C | 
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | 
| Package / Case | TO-252-4, DPak (3 Leads + Tab) | TO-263-4, D²Pak (3 Leads + Tab), TO-263AA | TO-252-3, DPak (2 Leads + Tab), SC-63 | 
| Supplier Device Package | 3-PowerFLEX™ | DDPAK/TO-263-3 | TO-252-3 |