HV9803BLG-G

Product Properties

Manufacturer:
 Microchip
Series:
 HV9803
Package / Case:
 SOIC-8
Number of Channels: 1 Channel
Product: Constant Current LED Drivers
Product Type: LED Lighting Drivers

 

Category:
Manufacturer:
 Microchip
Product Category: LED Lighting Drivers
Series:
 HV9803
Mounting Style:
 SMD/SMT
Package / Case:
 SOIC-8
Number of Outputs:
 1 Output
Output Current:
 –
Topology:
 Boost, Buck
Operating Frequency:
 100 kHz
Output Voltage:
 Adjustable
Minimum Operating Temperature:
 – 40 C
Maximum Operating Temperature:
 + 125 C
Packaging:
 Reel
Packaging:
 Cut Tape
Packaging:
 MouseReel
Features:
 PWM Dimming, Short Circuit and Thermal Protection
Brand: Microchip Technology
Input Voltage: 7 V to 13.2 V
Moisture Sensitive: Yes
Number of Channels: 1 Channel
Output Type: Constant Current
Pd – Power Dissipation: 650 mW
Product: Constant Current LED Drivers
Product Type: LED Lighting Drivers
Factory Pack Quantity: 3300
Subcategory: Driver ICs
Supply Current – Max: 2.5 mA
Unit Weight: 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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