HV9904LG Supertex, HV9904LG Datasheet

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HV9904LG

Manufacturer Part Number
HV9904LG
Description
MOSFET & Power Driver ICs HVCMOS D2
Manufacturer
Supertex
Type
Controllerr
Datasheet
1.HV9904LG.pdf (5 pages)

Specifications of HV9904LG

Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
Minimum Operating Temperature
- 40 C
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Features
Applications
Ordering Information
Typical Application Circuit
Prepare by Telecom Group
8 Pin Plastic DIP
Eliminates High Voltage Input Electrolytic Capacitor
Smallest and Most Reliable Off-Line Solution
Constant Current or Constant Voltage Mode Control
Can be Operated Directly from Rectified AC Mains
10V to 400V Input Range Internal Regulator
1.5mA Operating Supply Current
PLL Based Loop Control with Soft Start
On-Time Varies Inversely with Input Voltage
Frequency Varies with Load
2.5V Differential Sense
Recommended for <10W Applications
Universal Input Voltage LED driver
Constant Current Source
Battery Charger
HV9904P
Supertex, Inc. 1235 Bordeaux Drive, Sunnyvale, CA 94089 TEL: (408) 744-0100 FAX: (408) 222-4895 www.supertex.com
Package Options
10VDC to 400VDC
or
VAC to 265V
8 Pin SOIC
HV9904LG
Universal Input Constant Average Currrent LED Lamp Power Supply
HV9904 Multi Converter Controller
1N4007
1uF
D1
D4
C2
HV9904X
Dice
D2
D3
0.1uF
400V
C1
Vdd
AGND
HV9904
+Vin
U1
PGND
GATE
1
NS
MURS120T3
PS
1mH
0.01uF
D5
L1
M1
General Description
The Supertex HV9904 is a second order PWM controller designed
to provide a constant average current output or a constant average
voltage output from an input of 10V to 400V DC or directly from
rectified AC mains up to 280V. The second order topology is
capable of extremely high dynamic control range, allowing
operation directly from rectified AC mains without the need for
bulky and expensive high voltage input electrolytic capacitor.
The PWM control utilizes feed forward circuitry to compensate for
large variations in input voltage (i.e. rectified AC) and a novel
integrator lock loop PLL scheme to regulate a differentially sensed
feedback node where the signal may be discontinuous. This
feedback node could be a current sense resistor or divider from
regulated output voltage. For a constant load the switching
frequency will be nearly constant with a dither of a few kHz helping
to meet FCC conducted emissions requirements.
A high input voltage linear regulator provides a stable Vdd supply
for the internal circuitry and gate drive to the external MOSFET.
Under voltage lockout provides a power on reset and protection for
the MOSFET
C3
MURS120T3
MURS120T3
VN2460N8
or
IRFBC30AS
D6
D7
220uH
0.1uF
L2
C4
Rev. D
Preliminary Engineering Specification
10mA
1 to 8
LEDs
250
R1
HV9904
3/29/2002

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HV9904LG Summary of contents

Page 1

... Constant Current Source Battery Charger Ordering Information Package Options 8 Pin Plastic DIP 8 Pin SOIC HV9904P HV9904LG Typical Application Circuit Universal Input Constant Average Currrent LED Lamp Power Supply 10VDC to 400VDC or VAC to 265V Prepare by Telecom Group Supertex, Inc. 1235 Bordeaux Drive, Sunnyvale, CA 94089 TEL: (408) 744-0100 FAX: (408) 222-4895 www.supertex.com ...

Page 2

... Storage Temperature Range Power Dissipation @ 25°C, SOIC Power Dissipation @ 25°C, Plastic DIP *All voltages referenced to AGND and PGND connected together. Prepare by Telecom Group Supertex, Inc. 1235 Bordeaux Drive, Sunnyvale, CA 94089 TEL: (408) 744-0100 FAX: (408) 222-4895 www.supertex.com (-40°C T +85°C) A Min ...

Page 3

... The UVLO has a 0.5V hysteresis to prevent false triggering due to ripple on Vdd. Prepare by Telecom Group Supertex, Inc. 1235 Bordeaux Drive, Sunnyvale, CA 94089 TEL: (408) 744-0100 FAX: (408) 222-4895 www.supertex.com Pin Description +V – This is the input to the internal linear regulator that provides IN the constant voltage VDD internal supply for the PWM ...

Page 4

... C2 1µF, 15V 1 C3 0.01µF, 500V 1 C4 0.1µF,25V 4 D1, D2, D3 D5, D6, D7 MURS120T3 1 L1 DO1608C-105 1 L2 DO1608C-224 1 M1 VN2460N8 HV9904LG 220uH C4 D7 0.1uF 10mA LEDs R1 250 Value Manufacturer Vishay Vishay Vishay Vishay 1N4007 On Semiconductor On Semiconductor Coilcraft Coilcraft Supertex 250Ω ...

Page 5

... C3 0.01µF, 500V 1 C4 100µF, 6.3V 4 D1, D2, D3 D5, D6, D7 MURS120T3 1 L1 DO1608C-105 1 L2 DO1608C-224 1 M1 VN2460N8 HV9904LG 220uH - 100uF R2 25k R1 25k Value Manufacturer Vishay Vishay Vishay Panasonic 1N4007 On Semiconductor On Semiconductor Coilcraft Coilcraft Supertex 25kΩ 25kΩ ...

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