Microchip logo
  • All
  • Products
  • Documents
  • Applications Notes
product primary image

HV9922

3-PIN Switch Mode LED Lamp Driver IC

Status: In Production

Features:

  • Constant output current: 50mA
  • Universal 85 - 265VAC operation
  • Fixed off-time buck converter
  • Internal 475V power MOSFET
View More
Overview
Documents
Development Environment
Similar Devices
RoHS Information
Buy Now

Device Overview

Summary

The HV9922 is a pulse width modulated (PWM) high-efficiency LED driver control IC. It allows efficient operation of LED strings from voltage sources ranging up to 400VDC. The HV9922 includes an internal high voltage switching MOSFET controlled with fixed off-time (TOFF) of approximately 10.5μs. The LED string is driven at constant current, thus providing constant light output and enhanced reliability. The output current is internally fixed at 50mA for HV9922. The peak current control scheme provides good regulation of the output current throughout the universal AC line voltage range of 85 to 265VAC or DC input voltage of 20 to 400V.

Additional Features
  • Constant output current: 50mA
  • Universal 85 - 265VAC operation
  • Fixed off-time buck converter
  • Internal 475V power MOSFET
Parametrics
Name
Value
Topology
Buck
+Vin min (V)
20
+Vin max (V)
400
Output Current
20 - 50mA
Dimming
PWM
Package
SOIC-8 w/HS
Product Type
Off Line
Type
Switch-Mode
Operating Iq (µA)
0.3
Θja (C/W)
60

Documents

Jump to:

Product Document

Software Library

User Guides

06/25/2014
326KB
06/25/2014
661KB

Development Environment

  • Demo & Evaluation Boards
  • Software Libraries
  • Application Examples
Demo & Evaluation Boards
HV9922DB1 Demo Board
HV9922DB1 Demo Board ( HV9922DB1 )

The HV9922DB1 demoboard is a complete LED power driver to supply a string of LEDs using the HV9922, an integrated 3-pin high input voltage constant-current buck regulator IC. The HV9922 integrates a 500V switching MOSFET and can operate directly from the rectified universal AC line voltage range of 80 to 265VAC.

Learn More
Add To Cart
HV9922DB2 Demo Board
HV9922DB2 Demo Board ( HV9922DB2 )

The HV9922DB2 is a universal input, offline, non-isolated auxiliary power supply using the HV9922 constant current switching regulator IC. The output voltage is regulated to 23V +/-5% and is referenced to the negative side of the diode bridge rectifier (i.e. ground of the rectified DC voltage). 

Learn More
Add To Cart
Software Libraries
Analog Simulation - HV9922

The HV9922 is a pulse width modulated (PWM) high-efficiency LED driver control IC. It allows efficient operation of LED strings from voltage sources ranging up to 400VDC. The HV9922 includes an...

Learn More

Similar Devices

Product
Topology
+Vin min (V)
+Vin max (V)
Price 5K
Buck
15
450
$0.58
Buck
7
13.2
$0.35
Buck
7
16
$0.35
2-Stage
102
265
$0.34
Buck-Boost
9.5
17.5
$0.41
Buck-Boost
9.5
17.5
$0.41
Buck
8
450
$0.65
Buck
8
450
$0.66
Buck
15
450
$0.29
Buck
4.5
40
$0.57
Buck
4.5
40
$0.52
Buck
20
400
$0.46
Buck
20
400
$0.49
Buck
20
400
$0.47
Buck
20
400
$0.72
Cuk
8
200
$0.73
Buck
8
450
$0.73
Buck
8
450
$1.14
Linear
3
5.5
$0.38
Linear
3
5.5
$0.40
Linear
3
5.5
$0.35
Linear
3
5.5
$0.45
Linear
3
5.5
$0.47
 
3
5.5
$0.67
Linear
3
5.5
$0.27
Linear
3
5.5
$0.27
Buck
6
20
$1.09
Buck
6
37
$1.29
Buck
6
37
$1.22
Buck
4.5
42
$0.76
Buck
4.5
40
$0.73
Boost
6
45
$1.35
Boost
6
45
$1.40
Boost
6
45
$1.24
Linear
3
5.5
$0.55
Linear
3
5.5
$0.65
Linear
3
5.5
$0.58
Linear
3
5.5
$0.72
Linear
4.75
5.5
$2.14
Linear
4.75
11
$2.40
Linear
4.75
11
$2.40

RoHS Information

Part Number
Device Weight (g)
Shipping Weight (Kg)
Lead Count
Package Type
Package Width
Solder Composition
JEDEC Indicator
RoHS
China EFUP
HV9922N8-G
0.051800
0.132000
3
SOT-89
-
Matte Tin
e3
HV9922N3-G
0.203400
0.219000
3
TO-92
-
Matte Tin
e3
To see a complete listing of RoHS data for this device, please Click here
Shipping Weight = Device Weight + Packing Material weight. Please contact sales office if device weight is not available.

Buy from the Microchip Store

Grid
View
Table
View
Filter:
Apply
Clear
Only show products with samples
Product
Leads
Package Type
Temp Range
Packing Media
5K Pricing
Buy