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HV9910CLG-G
LED Lighting Drivers High Brightness LED Driver IC
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Produttore:
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ProduttorePart #:
HV9910CLG-G
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Scheda dati:
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Type:
DC DC Controller
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Topology:
Step-Down (Buck)
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Internal Switch(s):
No
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Number of Outputs:
1
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EDA/CAD Modelli:
Disponibilità: 6406 PZ
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HV9910CLG-G Descrizione generale
The HV9910C is an open loop, current mode, control LED driver IC. The HV9910C can be programmed to operate in either a constant frequency or constant off-time mode. It includes a 15 – 450V linear regulator which allows it to work from a wide range of input voltages without the need for an external low voltage supply. HV9910C includes a TTL compatible PWM dimming input that can accept an external control signal with a duty ratio of 0 – 100% and a frequency of up to a few kilohertz. It also includes a 0 – 250mV linear dimming input which can be used for linear dimming of the LED current. As opposed to the HV9910B, the HV9910C is equipped with built-in thermal-shutdown protection.The HV9910C is ideally suited for buck LED drivers. Since the HV9910C operates in open loop current mode control, the controller achieves good output current regulation without the need for any loop compensation. Also, being an open loop controller, PWM dimming response is limited only by the rate of rise of the inductor current, enabling a very fast rise and fall times of the LED current. The HV9910C requires only three external components (apart from the power stage) to produce a controlled LED current making it an ideal solution for low cost LED drivers.
Caratteristiche principali
- Switch mode controller for single switch LED drivers
- Enhanced drop-in replacement to the HV9910B
- Open loop peak current controller
- Internal 15 to 450V linear regulator
- Constant frequency or constant off-time operation
- Linear and PWM dimming capability
- Requires few external components for operation
- Over-temperature protection
Specifiche
Category | Integrated Circuits (ICs)Power Management (PMIC)LED Drivers | Series | - |
Type | DC DC Controller | Topology | Step-Down (Buck) |
Internal Switch(s) | No | Number of Outputs | 1 |
Voltage - Supply (Min) | 15V | Voltage - Supply (Max) | 450V |
Voltage - Output | - | Current - Output / Channel | - |
Frequency | 25kHz, 100kHz | Dimming | Analog, PWM |
Applications | Backlight, Lighting, Signage | Operating Temperature | -40°C ~ 125°C (TJ) |
Mounting Type | Surface Mount | Base Product Number | HV9910 |
Product Category | LED Lighting Drivers | Mounting Style | SMD/SMT |
Output Current | - | Input Voltage, Min | 15 V |
Input Voltage, Max | 450 V | Operating Frequency | 100 kHz |
Output Voltage | Adjustable | Minimum Operating Temperature | - 40 C |
Maximum Operating Temperature | + 125 C | Features | PWM Dimming, Constant Current |
Input Voltage | 15 V to 450 V | Moisture Sensitive | Yes |
Number of Channels | 1 Channel | Pd - Power Dissipation | 650 mW |
Product Type | LED Lighting Drivers | Factory Pack Quantity | 3300 |
Subcategory | Driver ICs | Supply Current - Max | 1.5 mA |
Unit Weight | 0.019048 oz |
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Disponibilità: 6406 PCS
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