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Technical Specifications
Parameters and characteristics for this part
| Specification | LP2957ISX |
|---|---|
| Control Features | Enable |
| Current - Output | 250 mA |
| Current - Quiescent (Iq) | 200 µA |
| Current - Supply (Max) [Max] | 33 mA |
| Mounting Type | Surface Mount |
| Number of Regulators | 1 |
| Operating Temperature [Max] | 125 °C |
| Operating Temperature [Min] | -40 °C |
| Output Configuration | Positive |
| Output Type | 1.81 mOhm |
| Package / Case | TO-263-6, TO-263BA, D2PAK (5 Leads + Tab) |
| Protection Features | Over Temperature, Reverse Polarity, Over Current |
| Supplier Device Package | TO-263 (DDPAK-5) |
| Voltage - Input (Max) [Max] | 30 V |
| Voltage - Output (Min/Fixed) | 5 V |
| Voltage Dropout (Max) [Max] | 0.8 V |
Pricing
Prices provided here are for design reference only. For realtime values and availability, please visit the distributors directly
| Distributor | Package | Quantity | $ | |
|---|---|---|---|---|
Description
General part information
LP2957A Series
The LP2957 is a 5V micropower voltage regulator with electronic shutdown, error flag, very low quiescent current (150 µA typical at 1 mA load), and very low dropout voltage (470 mV typical at 250 mA load current).
Output can be wired for snap-on/snap-off operation to eliminate transition voltage states where µP operation may be unpredictable.
Output crowbar (50 mA typical pull-down current) will bring down the output quickly when the regulator snaps off or when the shutdown function is activated.
Documents
Technical documentation and resources
No documents available
