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LM5157 |
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| Part Number | LM5157 |
| Manufacturer | Texas Instruments |
| Description | The LM5157 device is a wide input range, nonsynchronous boost converter with integrated 50-V power switch. The device can be used in boost, SEPIC, and flyback topologies. The device can start up from a single-cell battery with a minimum of 2.9 V. It can operate with an input supply voltage as low as 1.5 V if the BIAS pin is greater than 2.9 V. The BIAS pi. |
| Features |
• Suited for wide operating range for battery applications – 2.9-V to 45-V input operating range – 48-V maximum output (50-V abs max) – Minimum boost supply voltage of 1.5 V when BIAS ≥ 2.9 V – Input transient protection up to 50 V – Minimized battery drain • Low shutdown current (IQ ≤ 2.6 µA) • Low operating current (IQ ≤ 670 µA) • Small solution size and low cost – Maximum switching frequency up to 2.2 MHz – 16-pin QFN package (3 mm × 3 mm) – Integrated error amplifier allows primary-side regulation without optocoupler (flyback) – Accurate current limit (see the Device Comparison Table) • EM. |
| Datasheet |
 LM5157 Data Sheet
PDF 2.04MB |
| Distributor | Stock | Price | Buy |
|---|
| No. | Parte # | Fabricante | Descripción | Hoja de Datos |
|---|---|---|---|---|
| 1 | LM5150-Q1 |
Texas Instruments |
Wide VIN Automotive Boost Controller |
|
| 2 | LM51501-Q1 |
Texas Instruments |
Wide VIN Automotive Boost Controller |
|
| 3 | LM5152-Q1 |
Texas Instruments |
Synchronous Boost Controller |
|
| 4 | LM51521-Q1 |
Texas Instruments |
Synchronous Boost Controller |
|
| 5 | LM5155 |
Texas Instruments |
2.2-MHz Wide Input Nonsynchronous Boost Flyback Controller |
|
| 6 | LM5155-Q1 |
Texas Instruments |
2.2-MHz Wide Input Nonsynchronous Boost Flyback Controller |
|
| 7 | LM51551 |
Texas Instruments |
2.2-MHz Wide Input Nonsynchronous Boost Flyback Controller |
|
| 8 | LM51551-Q1 |
Texas Instruments |
2.2-MHz Wide Input Nonsynchronous Boost Flyback Controller |
|
| 9 | LM5156 |
Texas Instruments |
Non-synchronous Boost/SEPIC/Flyback Controller |
|
| 10 | LM5156-Q1 |
Texas Instruments |
Non-synchronous Boost/SEPIC/Flyback Controller |
|
Desde 2024. D4U Semiconductor.
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