LM5176RHFT, Switching Controllers 55V wide VIN synchronous 4-switch buck-boost controller 28-VQFN -40 to 125
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Описание
Semiconductors\Power Management ICs\Voltage Regulators & Voltage Controllers\Switching Controllers
LM5176 Synchronous Buck-Boost ControllerTexas Instruments LM5176 Synchronous Buck-Boost Controller is a synchronous four-switch buck-boost DC/DC controller capable of regulating the output voltage at, above, or below the input voltage. The LM5176 operates over a wide input voltage range of 4.2V to 55V (60V absolute maximum) to support various applications. The LM5176 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 undervoltage lockout (UVLO), output overvoltage protection (OVP), and thermal shutdown. In addition, the Texas Instruments LM5176 features optional average input or output current limiting, optional spread spectrum to reduce peak EMI, and optional hiccup mode protection in sustained overload conditions.
Технические параметры
Brand: | Texas Instruments |
Duty Cycle - Max: | 100% |
Factory Pack Quantity: Factory Pack Quantity: | 250 |
Input Voltage: | 4.2 V to 55 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: | 4 Output |
Operating Supply Current: | 2 mA |
Operating Supply Voltage: | 4.2 V to 55 V |
Output Current: | 2 A |
Output Voltage: | 800 mV to 55 V |
Package / Case: | VQFN-28 |
Product Category: | Switching Controllers |
Product Type: | Switching Controllers |
Product: | Switching Controllers |
Series: | LM5176 |
Shutdown: | Shutdown |
Subcategory: | PMIC-Power Management ICs |
Switching Frequency: | 100 kHz to 600 kHz |
Topology: | Buck-Boost |
Maximum Output Voltage | 55 V |
Minimum Input Voltage | 4.2 V |
Minimum Output Voltage | 0.8 V |
Regulator Function | Boost/Buck Controller |
Вес, г | 0.07 |
Дополнительная информация
Калькуляторы группы «Коммутационные контроллеры»
Типы корпусов импортных микросхем
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