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RT8237CZQW
+БОМIC REG CTRLR BUCK 10WDFN
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ПроизводительКомпания Richtek USA Inc.
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Мфр. Часть #RT8237CZQW
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Лист данных RT8237CZQW DataSheet
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В наличии2264
365 Дни гарантии качества
7*24 часы обслуживания каранти
90-гарантия послепродажного дня
Гарантия подлинного продукта
Спецификации
| Атрибут | Ценность |
| Part Status | Discontinued at Digi-Key |
| Output Type | Transistor Driver |
| Function | Step-Down |
| Output Configuration | Positive |
| Topology | Buck |
| Number of Outputs | 1 |
| Output Phases | 1 |
| Voltage - Supply (Vcc/Vdd) | 4.5V ~ 5.5V |
| Frequency - Switching | 290kHz ~ 430kHz |
| Synchronous Rectifier | Yes |
| Clock Sync | No |
| Control Features | Current Limit, Enable, Phase Control, Power Good |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Mounting Type | Surface Mount |
| Package / Case | 10-WFDFN Exposed Pad |
| Supplier Device Package | 10-WDFN (3x3) |
| Base Product Number | RT8237 |
Обзор
Description
Key specifications include high efficiency, low quiescent current, and fast transient response, which enhance overall system performance. The device incorporates features such as under-voltage lockout (UVLO), over-current protection (OCP), and thermal shutdown to ensure safe operation.
With its compact package size and easy layout design, the RT8237CZQW is ideal for space-constrained applications, providing reliable power management solutions. Its integrated PWM control scheme allows for better power conversion efficiency, contributing to longer battery life in portable devices. Overall, the RT8237CZQW is a versatile choice for designers looking to implement efficient voltage regulation in their projects.
Equivalent
Features
1. Input Voltage Range: Supports a wide input voltage range, typically from 4.5V to 25V.
2. Output Voltage: Adjustable output voltage, commonly down to 0.8V, with high accuracy.
3. Output Current: Capable of delivering high output current, typically up to 3A.
4. Efficiency: High efficiency (up to 95%) helps minimize heat generation and power loss.
5. Switching Frequency: Operates at a fixed frequency, often around 300kHz, facilitating smaller external components.
6. Protection Features: Includes over-current protection (OCP), over-voltage protection (OVP), and thermal shutdown for enhanced reliability.
7. Soft Start: Features a soft-start function to limit inrush current during startup.
8. Package Type: Available in a compact SOP-8 package for space-constrained designs.
These features make the RT8237CZQW suitable for applications in consumer electronics, telecommunications, and industrial systems.
Pinout
The key pin functions are as follows:
1. VIN (Pin 1): Input voltage.
2. VOUT (Pin 2): Regulated output voltage.
3. GND (Pin 3): Ground reference.
4. COMP (Pin 4): Compensation pin for stability.
5. FB (Pin 5): Feedback pin for voltage regulation.
6. SW (Pin 6): Switch pin for the internal power MOSFET.
7. SENSE (Pin 7): Sensing pin for output voltage.
8. EN (Pin 8): Enable pin to turn the IC on/off.
9. PG (Pin 9): Power good output for status indication.
10. PULL (Pin 10): Pull-up resistor pin.
11-16. Additional pins for various functions including soft-start, current sensing, and protection features.
Overall, the RT8237CZQW is designed for efficient power management in portable and compact devices.