Product Information

HV9919BDB1

HV9919BDB1 electronic component of Microchip

Datasheet
LED Lighting Development Tools Single, High Current LED Driver Demoboard

Manufacturer: Microchip
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Price (USD)

1: USD 113.4 ea
Line Total: USD 113.4

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MOQ: 1  Multiples: 1
Pack Size: 1
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Ships to you between Mon. 20 May to Wed. 22 May

MOQ : 1
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HV9919BDB1
Microchip

1 : USD 113.4

     
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Supertex inc. HV9919BDB1 Single, High Current LED Driver Demoboard General Description Specifications The HV9919BDB1 demoboard is a high current LED Parameter Value driver designed to drive one LED at 1.0A from a 9.0 - 9.0 - 16VDC (steady state) 16V DC input. The demoboard uses Supertexs HV9919 Input voltage 40V max (transient) hysteretic buck LED driver IC. Reverse polarity protection 60V (max) The HV9919BDB1 includes two PWM dimming modes. Output voltage 2.0 - 5.0V The analog control of the PWM dimming mode allows the user to dim the LED using a 0 - 2.0V analog signal Output current 1.0A 5% applied between the ADIM and GND pins (0V gives 0% Output current ripple ( 13.5V 16% (peak to peak) and 2.0V gives 100%). In this mode, the PWM dimming input and 3.3V output) frequency is set to 1kHz on the board. The digital control Full load efficiency of PWM dimming mode allows the user to dim the LEDs 84% ( 13.5V input) using an external, TTL-compatible square wave source Open LED protection Yes applied between DIM and GND. In this case, the PWM dimming frequency and duty ratio are set by the external Output short circuit protection Yes square wave source. Dimensions 25.4mm X 25.4mm Connection Diagram Silk Screen (top) Connections Input Connection: Connect the input DC voltage between 2. If dimming using an external PWM dimming source, VIN and GND terminals of connector J1 as shown in the connect the PWM source between the DIM and GND connection diagram. terminals of connector J3 and short terminals ADIM and VDD. The recommended PWM dimming frequen- Output Connection: Connect the LEDs between LED+ cy is 1.0kHz. (anode of LED string) and LED- (cathode of LED string) of 3. If dimming using an external analog voltage source, connector J2. connect the source between the ADIM and GND ter- PWM Dimming Connection: minals of connector J3 and short terminals DIM and 1. If no PWM dimming is required, short DIM, VDD and VDD. The voltage range for control of the PWM dim- ADIM terminals of connector J3. ming is 0 - 2.0V. Doc. DSDB-HV9919BDB1 Supertex inc. B041914 www.supertex.comHV9919BDB1 Typical Results Fig. 1. Efficiency vs. Input Voltage Plot Fig. 2. Line Regulation of LED Current Plot Line Regulation of LED Current 1 Full Load Efficiency vs. Input Voltage 85 0.8 0.6 84.8 0.4 0.2 84.6 0 -0.2 84.4 -0.4 -0.6 84.2 -0.8 84 -1 81012141618 81012141618 Input Voltage (V) Input Voltage (V) Fig. 3. Efficiency vs. Load Voltage Plot Fig. 4. Load Regulation of LED Current Plot Load Regulation of LED Current Efficiency vs. Load Voltage ( 13.5V input) 1.5 85 1 80 0.5 75 0 70 -0.5 65 2345 23 45 Load Voltage (V) Load Voltage (V) Fig. 5. Switching Frequency vs. Input Voltage Plot Fig. 6. Switching Frequency vs. Load Voltage Plot Switching Frequency vs. Load Voltage Switching Frequency vs. Input Voltage ( 13.5V input) (Full Load) 450 450 400 400 350 350 300 300 250 250 200 200 150 150 81012141618 2345 Load Voltage (V) Input Voltage (V) Doc. DSDB-HV9919BDB1 Supertex inc. B041914 2 www.supertex.com Switching Frequency (kHz) Efficiency (%) Efficiency (%) % change in LED Current Switching Frequency (kHz) % change in LED Current

Tariff Desc

8543.70.00 Other machines and apparatus Free
13 Signal processors (graphic equalisers, crossovers etc.) 91 Other Free

9027.10.00 Instruments and apparatus for physical or chemical analysis (eg, polarimeters, refractometers, spectrometers, gas or smoke analysis apparatus); instruments and apparatus for measuring or checking viscosity, porosity, expansion, surface tension or the like; instruments and apparatus for measuring or checking quantities of heat, sound or light (including exposure meters); microtomes Free

9031.80.00 MEASURING OR CHECKING INSTRUMENTS, APPLIANCES AND MACHINES, NOT SPECIFIED OR INCLUDED ELSEWHERE IN THIS CHAPTER; PROFILE PROJECTORS Other instruments, appliances and machines Free

9030.31.00 Oscilloscopes, spectrum analysers and other instruments and apparatus for measuring or checking electrical quantities, excluding meters of 9028; instruments and apparatus for measuring or detecting alpha, beta, gamma, x-ray, cosmic or other ionising radiations.
Other instruments and apparatus, for measuring or checking voltage, current, resistance or power Multimeters without a recording device Free

8473.30.00 Parts and accessories of the machines of 8471 AUTOMATIC DATA PROCESSING MACHINES AND UNITS THEREOF; MAGNETIC OR OPTICAL READERS, MACHINES FOR TRANSCRIBING DATA ONTO DATA MEDIA IN CODED FORM AND MACHINES FOR PROCESSING SUCH DATA, NOT ELSEWHERE SPECIFIED OR INCLUDED:
.Other 71 No Weighing less than 1kg Free

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8538 PARTS SUITABLE FOR USE SOLELY OR PRINCIPALLY WITH THE APPARATUS OF 8535, 8536 OR 8537:
8538.10.10 22 For programmable controllers Free
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