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MAX1953EUB+
+BOMCURRENT-MODE PWM BUCK CONTROLLER
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Nhà sản xuấtAnalog Devices Inc./Maxim tích hợp
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Ông. Phần #MAX1953EUB+
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Bảng dữ liệu MAX1953EUB+ DataSheet
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Thông số kỹ thuật
| thuộc tính | Giá trị |
| PartStatus | Active |
| OutputType | Transistor Driver |
| Function | Step-Down |
| OutputConfiguration | Positive |
| Topology | Buck |
| NumberofOutputs | 1 |
| OutputPhases | 1 |
| Voltage-Supply(Vcc/Vdd) | 3V ~ 5.5V |
| Frequency-Switching | 1MHz |
| DutyCycle(Max) | 89% |
| SynchronousRectifier | Yes |
| ClockSync | No |
| ControlFeatures | Current Limit |
| OperatingTemperature | -40°C ~ 85°C (TA) |
| MountingType | Surface Mount |
| Package/Case | 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) |
| SupplierDevicePackage | 10-uMAX |
| BaseProductNumber | MAX1953 |
Tổng quan
Description
Operating from a single power supply, the MAX1953EUB+ is optimized for low voltage and low power consumption, which extends battery life. Its compact package makes it suitable for space-constrained applications. Key specifications include a sample rate of up to 1 MSPS, differential input capability, and a wide input voltage range.
Additionally, the device comes with built-in features like digital filtering and signal conditioning, enhancing its performance in noisy environments. Overall, the MAX1953EUB+ is ideal for engineers looking for efficient analog signal processing solutions in modern electronic devices.
Equivalent
Features
1. Input Voltage Range: Operates from 4.35V to 28V, accommodating various power sources.
2. Charge Current: Adjustable charge current up to 1A, allowing flexibility for different battery types.
3. Battery Types: Supports Li-ion and Li-polymer batteries, ensuring compatibility with common rechargeable formats.
4. Thermal Regulation: Built-in thermal regulation prevents overheating during charging, enhancing safety and reliability.
5. Status Indicators: Provides status pins for charge completion and fault detection, aiding user interface design.
6. Small Package: Available in a compact 10-pin µMAX package, suitable for space-constrained applications.
7. Low Quiescent Current: Minimal power consumption during standby mode, extending battery life in portable devices.
These features make the MAX1953EUB+ an ideal choice for designers looking to integrate efficient battery charging solutions in consumer electronics.
Pinout
1. VIN (Pin 1): Input voltage supply.
2. GND (Pin 2): Ground reference.
3. SW (Pin 3): Switch node for connecting to the inductor.
4. BOOT (Pin 4): Bootstrap capacitor connection for high-side MOSFET drive.
5. COMP (Pin 5): Compensation network connection for stability.
6. FB (Pin 6): Feedback voltage input for regulating output voltage.
7. PGND (Pin 7): Power ground for switching components.
8. VOUT (Pin 8): Regulated output voltage.
9. EN (Pin 9): Enable pin for turning the regulator on/off.
10. N/C (Pin 10): No connection, not used.
The MAX1953EUB+ is designed for applications requiring a compact, efficient power supply solution.