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LM5175PWPT, DC/DC контроллер, токовый режим, 3.5В до 42В, 1 выход, синхронный понижающий-повышающий, 500кГц
Полупроводники - Микросхемы\Микросхемы Управления Питанием\DC - DC Устройства Управления Питанием\DC - DC Контроллеры
The LM5175PWPT is a synchronous four-switch Buck-Boost DC/DC Controller, capable of regulating the output voltage at, above or below input voltage. It operates over a wide input voltage range of 3.5 to 42V (60V maximum) to support a variety of applications. It employs current-mode control both in buck and boost modes of operation for superior load and line regulation. The switching frequency is programmed by an external resistor and can be synchronized to an external clock signal. The device also features a programmable soft-start function and offers protection features including cycle-by-cycle current limiting, input under-voltage lockout (UVLO), output overvoltage protection (OVP) and thermal shutdown. In addition, it features selectable Continuous Conduction Mode (CCM) or Discontinuous Conduction Mode (DCM) operation, optional average input or output current limiting, optional spread spectrum to reduce peak EMI and optional hiccup mode protection in sustained overload conditions.
• Single inductor buck-boost controller for step-up/step-down DC/DC conversion
• 3.5 to 42V, 60V Maximum wide VIN range
• 0.8 to 55V Flexible VOUT range
• VOUT short protection
• High efficiency buck-boost transition
• Adjustable switching frequency
• Optional frequency sync and dithering
• Integrated 2A MOSFET gate drivers
• Cycle-by-cycle current limit and optional hiccup
• Optional input or output average current limiting
• Programmable input UVLO and soft-start
• Power good and output overvoltage protection
• Selectable CCM or DCM with pulse skipping
• Green product and no Sb/Br
| Количество Выводов | 28вывод(-ов) |
| Количество Выходов | 1 Выход |
| Максимальная Рабочая Температура | 125°C |
| Максимальное Напряжение Питания | 42В |
| Минимальная Рабочая Температура | -40°C |
| Минимальное Напряжение Питания | 3.5В |
| Рабочий Цикл (%) | 50% |
| Стиль Корпуса ИС Контроллера | HTSSOP |
| Топология (Общая Схема Соединений) | Синхронный Понижающий-повышающий |
| Уровень Чувствительности к Влажности (MSL) | MSL 3-168 часов |
| Частота Коммутации | 500кГц |
| Controller Type | Bulk Boost Controller |
| Current Conversion Type | DC-DC |
| Maximum Input Voltage | 42 V |
| Maximum Operating Temperature | +125 °C |
| Maximum Output Voltage | 55 V |
| Maximum Switching Frequency | 220 kHz, 565 kHz |
| Minimum Input Voltage | 3.5 V |
| Minimum Operating Temperature | -40 °C |
| Minimum Output Voltage | 0.8 V |
| Mounting Type | Surface Mount |
| Number of Outputs | 1 |
| Package Type | HTSSOP |
| Pin Count | 28 |
| Brand | Texas Instruments |
| Development Kit | LM5175EVM |
| Duty Cycle - Max | 100% |
| Factory Pack Quantity: Factory Pack Quantity | 250 |
| Input Voltage | 3.5 V to 42 V |
| Isolation | Non-Isolated |
| Manufacturer | Texas Instruments |
| Maximum Operating Temperature | +125 C |
| Minimum Operating Temperature | -40 C |
| Moisture Sensitive | Yes |
| Mounting Style | SMD/SMT |
| Number of Outputs | 1 Output |
| Operating Supply Current | 1.65 mA |
| Operating Supply Voltage | 42 V |
| Output Current | 20 A |
| Output Type | Adjustable |
| Output Voltage | 800 mV to 55 V |
| Package / Case | HTSSOP-28 |
| Product Category | Switching Controllers |
| Product Type | Switching Controllers |
| Product | Switching Controllers |
| Series | LM5175 |
| Shutdown | Shutdown |
| Subcategory | PMIC-Power Management ICs |
| Switching Frequency | 100 kHz to 600 kHz |
| Topology | Buck-Boost |
| Type | Synchronous Buck-Boost Controller |
| Вес, г | 0.937 |
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