DT8211 DMB, DT8211 Datasheet

no-image

DT8211

Manufacturer Part Number
DT8211
Description
Application
Manufacturer
DMB
Datasheet

Available stocks

Company
Part Number
Manufacturer
Quantity
Price
Part Number:
DT8211
Manufacturer:
DMB
Quantity:
20 000
Part Number:
DT8211A
Manufacturer:
DMB
Quantity:
20 000
Company:
Part Number:
DT8211A
Quantity:
3 000
Company:
Part Number:
DT8211A
Quantity:
7 500
Part Number:
DT8211AJ
Manufacturer:
DMB
Quantity:
13 476
Part Number:
DT8211AJ
Manufacturer:
DMB
Quantity:
20 000
Company:
Part Number:
DT8211AJ
Quantity:
5 500
Company:
Part Number:
DT8211AJ
Quantity:
1 480
Company:
Part Number:
DT8211DN
Quantity:
10 000
www.DataSheet4U.com
DMB Technology
1. General description
2. Features
3. Applications
Application Circuit
This application is an example circuit of 4 lamps inverter using DT8211. The design
contains protection functions such as OLP, OVP, SCP and basic functions such as
ADIM (Analog Dimming) and BDIM (Burst Dimming). This design is intended to show
how to use DT8211, implement basic functions and protection functions, and design
a circuit. This document contains features, schematic, and bill of materials.
n
n
n
n
n
n
n
n
n
n
n
n
n
DT8211 Application
4 Lamps Inverter Application Datasheet using DT8211
Rev1.0 - 18 April 2008
Fixed Frequency Half Bridge Topology
Designed for 4 Lamp Inverter Solution
Positive Polarity Analog Dimming (Negative Polarity Possible)
Positive Polarity Internal Burst Dimming (Negative Polarity Possible)
ADIM & BDIM Polarity Selectable
Simultaneous Operation of ADIM and BDIM
Open Lamp Protection
Open Lamp Voltage Regulation (Over Voltage Protection)
Short Circuit Protection (HOT-GND, COLD-GND)
4 Lamp CCFL Backlight Inverter Module
Monitor
TV
Advertisement Board
Rev1.0 – 18 April 2008
4 Lamps Inverter Application Datasheet using DT8211
(19”wide & 20.1”wide Panel)
Application Datasheet
© 2008 DMB Tech. All Rights Reserved
Preliminary
1 of 11

Related parts for DT8211

DT8211 Summary of contents

Page 1

... Lamps Inverter Application Datasheet using DT8211 Rev1 April 2008 1. General description This application is an example circuit of 4 lamps inverter using DT8211. The design contains protection functions such as OLP, OVP, SCP and basic functions such as ADIM (Analog Dimming) and BDIM (Burst Dimming). This design is intended to show how to use DT8211, implement basic functions and protection functions, and design a circuit ...

Page 2

... Output Current Enable Input for Turn-On Enable Input for Turn-Off Oscillator section Main Oscillation Frequency Burst Oscillation Frequency Protection Function section Open Lamp Protection Time Over Voltage Protection Application Circuit 4 Lamps Inverter Application Datasheet using DT8211 Symbol V IN Symbol Conditions =12 ...

Page 3

... DMB Technology 7. Schematic 3pF/3kV 3pF/3kV 3pF/3kV 3pF/3kV 3 www.DataSheet4U.com 3 25V/1000uF Application Circuit 4 Lamps Inverter Application Datasheet using DT8211 3.3n 3k 3.3n 3k 3. Rev1.0 – 18 April 2008 DT8211 Application 470/1% 470/1% 470/1% 470/1% 2k/ 2k/ 2k/ 2k/ 100n 330n 47n 100k 1n 1n 220n 1 ...

Page 4

... Capacitor 4 Capacitor 2 Capacitor 4 Resistor/Capacitor 2 Diode 6 Fuse 1 Connector 1 Connector 4 FET 2 Transformer Application Circuit 4 Lamps Inverter Application Datasheet using DT8211 Reference Number R4,R7 R6 R8,R9,R10,R11 R12, R23 R13,R14 R15,R16,R17,R18 R19,R20,R21, R22 C1,C2,C3 C5 C8,C9,C11,C12 C13,C14, C16,C26 C25 C15,C17,C22,C23 C18 C19 C20 C21 C24 C27,C28,C29,C30 ...

Page 5

... V = 4.5V BDIM J2 Output Current = 7.82mArms www.DataSheet4U.com J4 Output Current = 7.69mArms Application Circuit 4 Lamps Inverter Application Datasheet using DT8211 = 3.3V, unless otherwise specified. ADIM J3 Output Current = 7.78mArms J5 Output Current = 7.60mArms Rev1.0 – 18 April 2008 DT8211 Application © 2008 DMB Tech. All Rights Reserved ...

Page 6

... V = 4.5V BDIM J2 Output Current = 3.88mArms www.DataSheet4U.com J4 Output Current = 3.60mArms Application Circuit 4 Lamps Inverter Application Datasheet using DT8211 = 0V, unless otherwise specified. ADIM J3 Output Current = 3.79mArm J5 Output Current = 3.41mArms Rev1.0 – 18 April 2008 DT8211 Application © 2008 DMB Tech. All Rights Reserved ...

Page 7

... ADIM J2 Output Current = 3.22mArms Burst Frequency = 297.7Hz www.DataSheet4U.com J4 Output Current = 3.24mArms Burst Frequency = 298.2Hz Application Circuit 4 Lamps Inverter Application Datasheet using DT8211 = 3.3V, unless otherwise specified. J3 Output Current = 3.21mArms Burst Frequency = 296.8Hz J5 Output Current = 3.23mArms Burst Frequency = 296.6Hz Rev1.0 – 18 April 2008 DT8211 Application © ...

Page 8

... V = 4.5V BDIM J2 Output Voltage = 688Vrms www.DataSheet4U.com J4 Output Voltage = 687Vrms Application Circuit 4 Lamps Inverter Application Datasheet using DT8211 = 3.3V, unless otherwise specified. ADIM J3 Output Voltage = 675Vrms J5 Output Voltage = 684Vrms Rev1.0 – 18 April 2008 DT8211 Application © 2008 DMB Tech. All Rights Reserved ...

Page 9

... V IN BDIM Cyan Waveform = U1.17 Hout Waveform Blue Waveform = U1.16 Lout Waveform www.DataSheet4U.com Application Circuit 4 Lamps Inverter Application Datasheet using DT8211 = 3.3V, unless otherwise specified. ADIM Blue Waveform = U1.16 Lout Waveform Green Waveform = Current Waveform Rev1.0 – 18 April 2008 DT8211 Application © 2008 DMB Tech. All Rights Reserved ...

Page 10

... BDIM J2 Str. Voltage = 1.76kVrms OLP Time = 1.44sec www.DataSheet4U.com J4 Str. Voltage = 1.91kVrms OLP Time = 1.43sec Application Circuit 4 Lamps Inverter Application Datasheet using DT8211 = 3.3V, unless otherwise specified. ADIM J3 Str. Voltage = 1.84kVrms OLP Time = 1.43sec J5 Str. Voltage = 1.76kVrms OLP Time = 1.43sec Rev1.0 – 18 April 2008 DT8211 Application © ...

Page 11

... Although our design has internal protective circuit, you’d better adopt safety circuits or measures externally to prevent undesired probabilistic device failure. wshan@dmbtech.com sales@dmbtech.com http://www.dmbtech.com Rev1.0 – 18 April 2008 DT8211 Application 4 Lamps Inverter Application Datasheet using DT8211 Temperature 45.4℃ 60.1℃, 65.8℃ 54℃ 45.7℃ © 2008 DMB Tech. All Rights Reserved ...

Related keywords