The ADD5201 is a white LED driver for backlight applications based on high efficiency, current mode, step-up converter technology. It is designed with a 0.15 Ω, 2.9 A internal switch and a pin adjustable operating frequency between 350 kHz and 1 MHz. The ADD5201 contains eight regulated current sources for uniform brightness intensity. Each current source ca.
High Efficiency, Eight-String, White LED Driver for LCD Backlight Applications ADD5201 BLOCK DIAGRAM STEP-UP SWITCHING REGULATOR White LED driver based on inductive boost converter Integrated 50 V MOSFET with 2.9 A peak current limit Input voltage range: 6 V to 21 V Maximum output adjustable up to 45 V 350 kHz to 1 MHz adjustable operating frequency Built-in soft start for boost converter Drives up to eight LED current sources LED current adjustable up to 30 mA for each channel Headroom control to maximize efficiency Adjustable output dimming frequency: 200 Hz to 10 kHz LED open/short fault .
No. | Partie # | Fabricant | Description | Fiche Technique |
---|---|---|---|---|
1 | ADD5203 |
Analog Devices |
White LED Driver with SMBus and PWM Input | |
2 | ADD5205 |
Analog Devices |
Four-String White LED Driver | |
3 | ADD5207 |
Analog Devices |
White LED Driver | |
4 | ADD5211 |
Analog Devices |
White LED Driver | |
5 | ADD1021 |
ADD Semiconductor |
Power Line Communications System | |
6 | ADD3501 |
National Semiconductor |
3 1/2 DIGIT DVM WITH MULTIPLEXED 7-SEGMENT OUTPUT | |
7 | ADD3701 |
National |
Digital DVM with Multiplexed 7 Segment | |
8 | ADD8502 |
Analog Devices |
Integrated LCD Grayscale Generator | |
9 | ADD8502 |
Analog Devices |
Integrated LCD Grayscale Generator | |
10 | ADD8504 |
Analog Devices |
(ADD8504 - ADD8506) Muxed Input Line Inversion LCD Gamma Buffers | |
11 | ADD8505 |
Analog Devices |
(ADD8504 - ADD8506) Muxed Input Line Inversion LCD Gamma Buffers | |
12 | ADD8506 |
Analog Devices |
6-Channel Muxed Input / LCD Gamma Reference Buffer |