| Allicdata Part #: | HV9923N8-GTR-ND |
| Manufacturer Part#: |
HV9923N8-G |
| Price: | $ 0.37 |
| Product Category: | Integrated Circuits (ICs) |
| Manufacturer: | Microchip Technology |
| Short Description: | IC LED DRIVER OFFL DIM SOT89-3 |
| More Detail: | LED Driver IC 1 Output AC DC Offline Switcher Step... |
| DataSheet: |  HV9923N8-G Datasheet/PDF |
| Quantity: | 2000 |
| Moisture Sensitivity Level (MSL): | 1 (Unlimited) |
| Lead Free Status / RoHS Status: | Lead free / RoHS Compliant |
| 2000 +: | $ 0.33743 |
Specifications
| Voltage - Supply (Max): | 400V |
| Base Part Number: | HV9923 |
| Supplier Device Package: | SOT-89-3 |
| Package / Case: | TO-243AA |
| Mounting Type: | Surface Mount |
| Operating Temperature: | -40°C ~ 85°C (TA) |
| Applications: | Lighting |
| Dimming: | Triac |
| Frequency: | -- |
| Current - Output / Channel: | 30mA |
| Voltage - Output: | -- |
| Series: | -- |
| Voltage - Supply (Min): | 20V |
| Number of Outputs: | 1 |
| Internal Switch(s): | Yes |
| Topology: | Step-Down (Buck) |
| Type: | AC DC Offline Switcher |
| Moisture Sensitivity Level (MSL): | -- |
| Part Status: | Active |
| Lead Free Status / RoHS Status: | -- |
| Packaging: | Tape & Reel (TR) |
Description
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HV9923N8-G is a high-voltage low-power LED driver integrated circuit (IC) that controls the output current of white LEDs used in LCD backlight applications. The device operates in constant-current mode and is used to control the luminance of white LEDs. HV9923N8-G switches on and off rapidly at frequencies up to 2.5 MHz, enabling efficient heat dissipation. The device is capable of adjusting current intensity with a variety of dimming techniques such as pulse-width modulation (PWM) and analog dimming.The HV9923N8-G is designed for use in various LED backlighting applications such as LCD TVs, LCD monitors, general lighting, automotive lighting, and more. It is able to drive up to eight strings of LEDs, each with a maximum output current of 200 mA. In order to maintain low power consumption, the device can be enabled or disabled with a logic signal.The HV9923N8-G has an adjustable operation frequency from 200 kHz to 2.5 MHz, allowing for an efficient transfer of power to an LED string. The device also features an adjustable hysteresis voltage for each string, allowing for a wide range of possible output modes. Additionally, the device supports a variety of dimming control schemes, such as phase-dimming, analog dimming, or PWM dimming. PWM dimming is especially useful in LCD TVs and monitors, as it can adjust the brightness of the backlight according to an input signal.The device also has an adjustable slew rate, which controls the rate of change of voltage in an electronic system. This can be used to reduce noise and electromagnetic interference, ensuring that signals are transmitted without interference.The HV9923N8-G is an ideal device for lighting applications that require high efficiency, low power consumption, and excellent dimming control. The device is able to switch rapidly, allowing for efficient heat dissipation, and provides a wide range of luminance control options. Furthermore, the device is capable of adjusting its operation frequency and slew rate, allowing for efficient power delivery and noise suppression. With its wide range of features and efficient operation, the HV9923N8-G is a great choice for LED lighting applications.
The specific data is subject to PDF, and the above content is for reference
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