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HV9910CLG-G

LED Lighting Drivers High Brightness LED Driver IC

Manufacturer: Microchip Technology, Inc
Mfr.Part #: HV9910CLG-G
Datasheet: HV9910CLG-G Datasheet (PDF)
Type: DC DC Controller
Topology: Step-Down (Buck)
Internal Switch(s): No
Number of Outputs: 1
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HV9910CLG-G General Description

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.

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Key Features

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

Specifications

Category	Integrated Circuits (ICs)Power Management (PMIC)LED Drivers	Mfr	Microchip Technology
Series	-	Package	Tape & Reel (TR)Cut Tape (CT)Digi-Reel®
Product Status	Active	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
Supplier Device Package	8-SOIC	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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Ratings and Reviews

L**n 07/03/2023

Delivery almost 5 days, works

L**s 07/24/2022

Good module, workmanship at height, corresponds to the description! Delivery to the kemerovo region, Novokuznetsk for 23 days. Good seller, definitely recommend!