HV9803BLG-G

Produktets egenskaber

Producent:
 Microchip
Serie:
 HV9803
Pakke/etui:
 SOIC-8
Antal kanaler: 1 kanal
Produkt: Constant Current LED Drivers
Produkttype: LED Lighting Drivers

 

Kategori:
Producent:
 Microchip
Produktkategori: LED Lighting Drivers
Serie:
 HV9803
Monteringsstil:
 SMD/SMT
Pakke/etui:
 SOIC-8
Number of Outputs:
 1 Output
Output Current:
 –
Topology:
 Boost, Buck
Operating Frequency:
 100 kHz
Output Voltage:
 Adjustable
Minimum driftstemperatur:
 - 40 C
Maksimal driftstemperatur:
 + 125 C
Emballage:
 Spole
Emballage:
 Klip tape
Emballage:
 MouseReel
Features:
 PWM Dimming, Short Circuit and Thermal Protection
Brand: Microchip Technology
Input Voltage: 7 V to 13.2 V
Fugtfølsom: Ja
Antal kanaler: 1 kanal
Output Type: Constant Current
Pd – Power Dissipation: 650 mW
Produkt: Constant Current LED Drivers
Produkttype: LED Lighting Drivers
Fabrikspakke Antal: 3300
Underkategori: Driver ICs
Supply Current – Max: 2.5 mA
Enhedsvægt: 0,019048 oz

IS32LT3175N/P Single-Channel Linear LED Drivers

ISSI IS32LT3175N/P Single-Channel Linear LED Drivers come with fade in/out and PWM dimming. The regulators serve as a stand-alone LED driver-configurable from 20mA to 150mA with external resistors, no microcontroller is necessary. A logic level “courtesy light” signal from the PWM pin can be interfaced to precisely drive the LED channel. The IS32LT3175P obtains a positive polarity PWM signal. In addition, the IS32LT3175N obtains a negative polarity PWM signal. The regulator integrates a 63-step fade-in and fades out the algorithm (Gamma correction). This causes the output LED current to increasingly rise up to the full source value after the EN pin is pulsed.

HV9803 LED Driver IC

The Microchip HV9803 LED Driver IC is an open-loop average-mode current control LED driver IC operating in a constant off-time mode. The Microchip HV9803 LED Driver IC features ±2% current accuracy, tight line, and load regulation of the LED current without any need for loop compensation or high-side current sensing. Its auto-zero circuit cancels the effect of both the input offset voltage and the propagation delay in the current sense comparator. The HV9803 can be powered from a 7.0~13.2V supply. The IC features a fast PWM dimming response. The linear dimming input LD can accept a reference voltage up to 2.5V. The IC is equipped with a current limit comparator for hiccup-mode output short circuit protection. It also features a programmable input under-voltage shutdown.

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