HV9803 Buck LED driver IC overview

Description

Manufacturer
 
Category
Sub-Category

HV9803 is a non-sync DC/DC Buck LED driver IC from . Maximum input voltage is 13.2 V and it drives an output current of up to 2.00 A. Assuming a typical 3.5V LED forward voltage HV9803 can drive up to 3 LED in series.

The LED Buck driver IC features fixed 100 kHz switching frequency, a feedback voltage of 0.98 V and requires a typical inductor size of 47.0 uH. This combination results in a peak efficiency of ~90 %. HV9803 comes in 1 package option(s) - SOIC-8 .

Parameter and feature overview

ParameterValueReplacement
Search Filter
Nr. of Channel 1
V-IN min. 7.0 V
V-IN max. 13.2 V
Nr.of LEDs max. 3
I-OUT? 2.00 A
MOSFET extern
ext.clock sync. no
sync/non-sync non-sync
Frequency typ. 100 kHz
Frequency adjustable fixed
Frequency min.
Frequency max.
Softstart no
Softstart adjustable no
Quiescent current max. 2500 uA
Operating min.
Operating max.
Junction min. -40 °C
Junction max. 150 °C
thermal shutdown typ.
Inductor size 47.0 uH
Inductor suggested by Würth Elektronik
Feedback Voltage 0.98 V
Automotive AEC-Q100 no
Topology Buck
Peak Efficiency 90 %
Component count min. 10
DC Dimming yes
PWM Dimming yes
digital dimming no
Nr. of package options 1
SC70
SOT
MSOP
QFN/DFN
SO/SOIC SOIC-8
SOP
DIP
TO
Variation
LED temperature compensation

HV9803 Datasheet

Link to the most up-to-date HV9803 datasheet and the product page for EVM, tools and support information.

HV9803

HV9803 inventory, samples and price

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Available Distributors with stock: 3

DIGI-KEY (1)

ProductStockPriceBuy
HV9803BLG-G0
33000.38 USD
Buy Now
HV9803BLG-G3090
10.49 USD
250.41 USD
1000.38 USD
Buy Now
HV9803BLG-G0
10.00 USD
Buy Now
HV9803LG-G0
33000.38 USD
Buy Now

Microchip-Technology (2)

ProductStockPriceBuy
HV9803BLG-G13080
10.48 USD
260.40 USD
1000.37 USD
10000.35 USD
Buy Now
HV9803LG-G99000
10.48 USD
260.40 USD
1000.37 USD
10000.35 USD
Buy Now

Mouser-Electronics (2)

ProductStockPriceBuy
HV9803BLG-G2955
10.52 USD
100.48 USD
250.40 USD
1000.37 USD
Buy Now
HV9803LG-G591
10.52 USD
100.48 USD
250.40 USD
1000.37 USD
Buy Now

Available Distributors without stock: 2

AVNET-AMERICAS (0)

ProductStockPriceBuy
HV9803BLG-G0
33000.44 USD
66000.43 USD
132000.41 USD
198000.40 USD
330000.39 USD
Buy Now
HV9803LG-G0
33000.44 USD
66000.43 USD
132000.41 USD
198000.40 USD
330000.39 USD
Buy Now

AVNET-EUROPE (0)

ProductStockPriceBuy
HV9803BLG-G0Buy Now
HV9803LG-G0Buy Now

Available Distributors with stock: 1

microchipDIRECT

ProductStockPriceBuy
HV9803BLG-G 13080
10000.35 $
1000.37 $
260.40 $
10.48 $
Buy Now
HV9803LG-G 92400
10000.35 $
1000.37 $
260.40 $
10.48 $
Buy Now

Available Distributors without stock: 2

Avnet

ProductStockPriceBuy
HV9803LG-G 0
33000.44 $
132000.41 $
330000.39 $
33000.44 $
66000.43 $
132000.41 $
198000.40 $
330000.39 $
Buy Now
HV9803LG-G 0
33000.42 €
132000.41 €
330000.39 €
33000.42 €
66000.42 €
132000.41 €
198000.40 €
330000.39 €
Buy Now
HV9803BLG-G 0
33000.44 $
132000.41 $
330000.39 $
33000.44 $
66000.43 $
132000.41 $
198000.40 $
330000.39 $
Buy Now
HV9803BLG-G 0
33000.42 €
132000.41 €
330000.39 €
33000.42 €
66000.42 €
132000.41 €
198000.40 €
330000.39 €
Buy Now

Rutronik

ProductStockPriceBuy
HV9803BLG-G 0
33000.57 $
66000.55 $
Buy Now

Equivalents and alternatives

The following DC/DC LED Buck driver are similar to HV9803. Optional, compare HV9803 side-by-side with other LED driver via the Comparison function.

Variation Compare Product Manufacturer Package
0% G2605 G2605 product overviewG2605 product overview GMT MSOP-8, SOT23-5
0% MP24894 MP24894 product overviewMP24894 product overview MPS TSOT23-6
0% RT8452 RT8452 product overviewRT8452 product overview Richtek WQFN-16, SOP-16
0% RT8482 RT8482 product overviewRT8482 product overview Richtek WQFN-16, SOP-16
0% AT9919 AT9919 product overviewAT9919 product overview Supertex DFN-8
0% AT9919B AT9919B product overviewAT9919B product overview Supertex DFN-8
0% HV9803B HV9803B product overviewHV9803B product overview Supertex SOIC-8
0% IS31LT3354 IS31LT3354 product overviewIS31LT3354 product overview ISSI SOT23-5
0% ILD4001 ILD4001 product overviewILD4001 product overview Infineon SC74-6
0% ZXLD1370 ZXLD1370 product overviewZXLD1370 product overview Diodes TSSOP-16
0% ZXLD1370Q ZXLD1370Q product overviewZXLD1370Q product overview Diodes TSSOP-16
0% ZXLD1371 ZXLD1371 product overviewZXLD1371 product overview Diodes TSSOP-16
0% ZXLD1371Q ZXLD1371Q product overviewZXLD1371Q product overview Diodes TSSOP-16

Inductor suggestions

Below you can find matching inductors from Wuerth Elektronik calculated on the maximum parameters of HV9803.

V-IN min. 7 V, V-IN max. 13.2 V, I-OUT 2 A, Frequency typ. 100 kHz
Order Code Spec L (µH) IR (A) ISAT (A) RDC (mΩ) L x W x H (mm)
74437368330 33.0 2.6 5.0 92.00 11 x 10 x 4
74437368470 47.0 2.2 4.5 145.00 11 x 10 x 4
7447471330 33.0 3.6 2.8 50.00 10.5 x 10.5 x 11.5
7447471470 47.0 3.0 2.5 74.00 10.5 x 10.5 x 11.5
744770133 33.0 3.2 3.6 47.00 12 x 12 x 8
744770139 39.0 3.0 3.5 53.00 12 x 12 x 8
744770147 47.0 2.7 3.0 76.00 12 x 12 x 8
7447709390 39.0 4.1 5.0 43.90 12 x 12 x 10
7447709470 47.0 3.8 4.5 45.90 12 x 12 x 10
744771133 33.0 2.7 3.0 49.00 12 x 12 x 6
744771139 39.0 2.5 2.7 57.00 12 x 12 x 6
744771147 47.0 2.2 2.6 72.00 12 x 12 x 6
7447714330 33.0 2.5 2.9 66.00 10 x 10 x 5
7447714470 47.0 2.2 2.5 82.50 10 x 10 x 5
7447715330 33.0 2.3 2.5 75.00 12 x 12 x 4.5
744772330 33.0 2.0 2.5 52.53 7.8 x 7.8 x 10
744772390 39.0 2.5 2.5 70.00 7.8 x 7.8 x 10
744772470 47.0 2.3 2.5 88.80 7.8 x 7.8 x 10
784770470 47.0 3.1 3.4 59.00 12 x 12 x 8.3
7847709470 47.0 3.2 3.5 56.00 12 x 12 x 10.3
784771470 47.0 2.3 2.5 64.00 12 x 12 x 8.3
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