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NCP5005SNT1G
+Lista de MateriaisIC LED DRVR RGLTR PWM 50MA 5TSOP
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Fabricanteonsemi
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Peça do Fabricante #NCP5005SNT1G
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Pacote TSOP-5
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Em Estoque5587
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Especificações
| Atributo | Valor |
| Package / Case | Tape & Reel (TR),Cut Tape (CT),Bulk |
| Part Status | Obsolete |
| Type | DC DC Regulator |
| Topology | Step-Up (Boost) |
| Internal Switch(s) | Yes |
| Number of Outputs | 1 |
| Voltage - Supply (Min) | 2.7V |
| Voltage - Supply (Max) | 5.5V |
| Voltage - Output | 24V |
| Current - Output / Channel | 50mA |
| Dimming | PWM |
| Applications | Backlight |
| Operating Temperature | -25°C ~ 85°C (TA) |
| Mounting Type | Surface Mount |
Visão Geral
Description
Key features include a wide input voltage range, high efficiency, and low quiescent current, which contribute to extended battery life in portable devices. The NCP5005SNT1G operates with a fixed frequency, ensuring stable operation and minimal output voltage ripple. It has built-in over-voltage protection and under-voltage lockout to enhance reliability and safeguard connected components.
The device is housed in a small SNT-6 package, facilitating easy integration into compact designs. Its ability to deliver a stable current output to LED modules ensures consistent brightness levels, making it suitable for applications requiring precise lighting control. The NCP5005SNT1G is widely appreciated for its efficiency and simplicity in LED driver applications.
Equivalent
1. LM2731 from Texas Instruments - A boost converter suitable for similar applications.
2. MT3608 from MPS - A high-efficiency step-up converter.
3. MIC2250 from Microchip Technology - Another boost controller for LED applications.
4. TPS61071 from Texas Instruments - A high-frequency, step-up converter.
These alternatives vary slightly in specifications, so ensure compatibility with specific design requirements.
Features
1. High Efficiency: Optimized for minimal power loss, enhancing battery life.
2. Wide Input Voltage Range: Typically from 1.4 V to 5.5 V, accommodating single-cell lithium-ion batteries.
3. Current Regulation: Provides a stable current output, ensuring consistent LED brightness.
4. Integrated Schottky Diode: Reduces component count and improves efficiency.
5. Low Shutdown Current: Minimizes power consumption when inactive.
6. Adjustable Output Current: Supports customization for different LED configurations.
7. Protection Features: Includes over-voltage protection and thermal shutdown for reliability.
8. Compact Package: Available in a small SOT-23-5 package, ideal for space-constrained designs.
These features make the NCP5005SNT1G suitable for applications like mobile phones, digital cameras, and portable media players, where efficient LED driving is essential.
Pinout
Pin Count and Functions:
1. Pin 1 (GND): Ground connection for the device.
2. Pin 2 (SW): Switch pin. This pin connects to the inductor and is used for switching the internal transistor on and off.
3. Pin 3 (NC): No connection. This pin is not used in the circuit.
4. Pin 4 (FB): Feedback pin. It receives the feedback voltage from the LED string to regulate the output current.
5. Pin 5 (Vin): Input voltage pin. This is where the supply voltage is applied to power the device.
The NCP5005SNT1G enables efficient LED driving with a built-in power MOSFET, providing high efficiency and a small solution size for portable devices.