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LM5175RHFR, Switching Controllers 42V Wide Vin 4-Switch Synchronous Buck-Boost Controller 28-VQFN -40 to 125
Power\Power Management ICs\Switching ControllersLM5175 4-Switch Synchronous Buck-Boost Controller
Texas Instruments LM5175 4-Switch Synchronous Buck-Boost Controller is capable of regulating the output voltage at, above, or below the input voltage. The LM5175 operates over a wide input voltage range of 3.5V to 42V to support a variety of applications. The LM5175 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. Features include programmable soft-start function, and numerous protection features (cycle-by-cycle current limiting, input undervoltage lockout (UVLO), output overvoltage protection (OVP), and thermal shutdown. This device includes selectable Continuous Conduction Mode (CCM) or Discontinuous Conduction Mode (DCM) operations. The LM5175-Q1 devices are AEC-Q100 qualified for automotive applications.
| Brand | Texas Instruments |
| Duty Cycle - Max | 100% |
| Factory Pack Quantity: Factory Pack Quantity | 3000 |
| Input Voltage | 3.5 V to 42 V |
| 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 | 3.5 V to 42 V |
| Output Current | 20 A |
| Output Voltage | 800 mV to 55 V |
| Package / Case | VQFN-28 |
| Product Category | Switching Controllers |
| Product Type | Switching Controllers |
| Product | Synchronous Boost or Buck Controller |
| Series | LM5175 |
| Shutdown | Shutdown |
| Subcategory | PMIC-Power Management ICs |
| Switching Frequency | 100 kHz to 600 kHz |
| Topology | Buck-Boost |
| Automotive | No |
| Control Method | PWM |
| ECCN (US) | EAR99 |
| Lead Shape | No Lead |
| Maximum Input Voltage (V) | 42 |
| Maximum Operating Temperature (°C) | 125 |
| Maximum Switching Frequency (kHz) | 600 |
| Minimum Input Voltage (V) | 3.5 |
| Minimum Operating Temperature (°C) | -40 |
| Minimum Switching Frequency (kHz) | 100 |
| Mounting | Surface Mount |
| Number of Outputs | 1 |
| Operating Supply Voltage (V) | 3.5 to 42 |
| Output Voltage (V) | 0.8 to 55 |
| Packaging | Tape and Reel |
| Part Status | Active |
| PCB changed | 28 |
| Pin Count | 28 |
| PPAP | No |
| Programmability | Yes |
| Standard Package Name | QFN |
| Supplier Package | VQFN EP |
| Synchronous Clock | Yes |
| Synchronous Rectifier | Yes |
| Topology | Step Down|Step Up |
| Typical Gate Driver Pull Down Resistance (Ohm) | 1.3 |
| Typical Gate Driver Pull Up Resistance (Ohm) | 1.9 |
| Typical Quiescent Current (mA) | 1.65 |
| Вес, г | 0.07 |
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