The ADD5203 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 ADD5203 contains eight regulated current sources for uniform brightness intensity. Each current source ca.
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 Overvoltage protection (OVP) up to typical 47.5 V Built-in soft start for boost converter Drives up to eight LED current strings LED current adjustable up to 30 mA for each channel Headroom control to maximize efficiency Adjustable dimming frequency: 200 Hz to 10 kHz LED open and short fault protection Selectable dimming control interface methods PWM input SMBus serial input.
No. | Partie # | Fabricant | Description | Fiche Technique |
---|---|---|---|---|
1 | ADD5201 |
Analog Devices |
White LED Driver | |
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 |