Dear, Sir.
My customer want to set RSET=5.1kOHM(ISET=31mA).
Output D1 & D3 is only used for 2 LED's drive.
Page13, Figure14 Shows 30mA 3ch usage, and I guess it would be
no problem but should be care for the heat by power dissipation.
…
Other Parts Discussed in Thread: TPS60230 Hi,
TPS60230 is used for LED driver. However, the SNR of audio amplifier ouptut is degraded with PWM frequency (dimming) is less than 50KHz. And SNR of audio amplifier output is not interferred if the PWM frequency…
Part Number: LM3405A Other Parts Discussed in Thread: TPS60230 Tool/software: Hello, I have a 3.5" LED backlight with the following electrical specifications (10 LEDs connected in parallel, K1 to K10 tied together):
The client device uses a single…
Jeff,
First,
For TPS60230,
1. It is LED driver, but not listed under Power Management > Lighting and Display Solutions .
2. It is only listed under Power Management > Switching Regulator > Inductorless DC/DC Regulator (Charge Pump) > Step…
Other Parts Discussed in Thread: TPS60230 Hi,
I would like to ask some questions with TPS6507x's wLED
boost and TPS6023x LED drivers.
The Design of LED Driver
LED drivers on TPS6507x and TPS6023x all have at least two
current sinks, but with…
Hello,
The UCC3806 is a dual output controller though it can be used in a flyback where only one of the outputs are used to drive the switch it might be better to choose a single output controller. Look at page 46 of the attached under General Purpose…
Siyu,
I think the toggle flip-flop in the block diagram on page one of the spec should have let you know that the max you will get with this device is 50% duty.
Go to page 43 and 44 of the attached and select a more suitable part.
Peter,
i am enclosing the Power Management Guide for 2011. The section you will be interested in starts on page 43 and actual devices listed on page 46, With the minimum information you have given me I would expect that you will want something like…
