Abbildungen dienen nur als Referenz
LM5155QDSSRQ1
+StücklisteIC POWER MANAGEMENT
-
HerstellerTexas Instruments
-
Herstellerteil #LM5155QDSSRQ1
-
Paket WSON-12
-
Auf Lager3289
365 Tage Qualitätsgarantie
7*24 Stunden-Servicegarantie
90-Tage Kundendienstgarantie
Originalproduktgarantie
Spezifikationen
| Attribut | Wert |
| Package / Case | Tape & Reel (TR),Cut Tape (CT) |
| Series | Automotive, AEC-Q100 |
| Part Status | Active |
| Output Type | Transistor Driver |
| Function | Step-Up, Step-Up/Step-Down |
| Output Configuration | Positive |
| Topology | Boost, Flyback, SEPIC |
| Number of Outputs | 1 |
| Output Phases | 1 |
| Voltage - Supply (Vcc/Vdd) | 2.97V ~ 45V |
| Frequency - Switching | 100kHz ~ 2.2MHz |
| Duty Cycle(Max) | 93% |
| Synchronous Rectifier | No |
| Clock Sync | Yes |
| Control Features | Soft Start |
| Operating Temperature | -40°C ~ 150°C (TJ) |
| Mounting Type | Surface Mount, Wettable Flank |
Übersicht
Description
Equivalent
1. LT3757 from Analog Devices: A versatile boost controller with similar performance.
2. MIC38C42 from Microchip Technology: Provides similar boost capabilities.
3. NCP1402 from ON Semiconductor: Another alternative for boost applications.
These options may vary slightly in specifications, so ensure compatibility with your specific application requirements.
Features
1. Wide Input Voltage Range: Operates from 3 V to 42 V, suitable for automotive battery systems and industrial power supplies.
2. Robust Performance: Offers high efficiency with low quiescent current, enhancing battery life in portable applications.
3. Adjustable Frequency: Switching frequency is adjustable from 100 kHz to 2.2 MHz, allowing designers to optimize for size and efficiency.
4. Integrated Protection: Features include overvoltage protection, cycle-by-cycle current limit, and thermal shutdown.
5. SYNC Pin: Allows synchronization to an external clock for noise-sensitive applications.
6. Spread Spectrum Frequency Modulation (SSFM): Reduces EMI emissions.
7. Compensation Pin: Provides flexibility for loop compensation, improving stability.
8. AEC-Q100 Qualified: Ensures reliability in automotive environments.
These features make the LM5155QDSSRQ1 suitable for a variety of applications, offering reliable and efficient power conversion solutions.
Pinout
1. VIN: Input voltage supply.
2. EN/UVLO: Enable and undervoltage lockout.
3. COMP: Compensation for the control loop.
4. FB: Feedback input for regulating the output.
5. RT/SYNC: Sets the switching frequency or synchronizes to an external clock.
6. GND: Ground reference for the IC.
7. SW: Switch node connected to the external inductor and diode.
8. GATE: Drives the gate of an external MOSFET.
9. VCC: Internal LDO output to power the IC’s internal circuitry.
10. BIAS: Optional bias supply input for improved efficiency.
The LM5155QDSSRQ1 is known for its wide input voltage range, programmable switching frequency, and high-efficiency design, making it suitable for various DC-DC boost converter applications.