LM3561TMX/NOPB vs PCA9633BS,118
| Part Number |
|
|
| Category | PMIC - LED Drivers | PMIC - LED Drivers |
| Manufacturer | National Semiconductor | NXP USA Inc. |
| Description | LM3561 SYNCHRONOUS BOOST CONVERT | IC LED DRVR LIN DIM 25MA 16HVQFN |
| Package | Bulk | Tape & Reel (TR) |
| Series | - | - |
| Type | DC DC Regulator | Power Switch |
| Operating Temperature | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) |
| Mounting Type | Surface Mount | Surface Mount |
| Package / Case | 12-WFBGA | 16-VQFN Exposed Pad |
| Supplier Device Package | 12-DSBGA (1.22x1.62) | 16-HVQFN (4x4) |
| Topology | Step-Up (Boost) | - |
| Applications | Camera Flash | Backlight |
| Number of Outputs | 1 | 4 |
| Voltage - Output | - | 5.5V |
| Frequency | 2MHz | - |
| Current - Output / Channel | 600mA (Flash) | 25mA |
| Internal Switch(s) | Yes | Yes |
| Dimming | I²C | PWM |
| Voltage - Supply (Max) | 5.5V | 5.5V |
| Voltage - Supply (Min) | 2.5V | 2.3V |
-
1. How can I tell if an LED driver is broken?
If the LED does not light up or the brightness drops significantly.
The driver is heating abnormally.
There is a distinct burnt smell.
Measure the input and output voltage/current and it does not meet the specification.
Test the status of its internal components through professional equipment. -
2. Do all LED lights need a driver?
Not all LED lights require independent drivers. Some small or integrated LED lamps may already have built-in driver circuits. However, for most high-power LEDs or applications that require specific current control, using a dedicated driver is very necessary.
-
3. Does an LED strip require an LED driver?
Yes, LED strips usually require a suitable driver to provide the correct voltage and current. Especially for long strips, because they are often composed of multiple small LEDs in series or parallel.
-
4. Are there LED drivers with audio output?
Some high-end LED drivers do have the ability to synchronize with audio signals and change the lighting effects to the rhythm of music. This type of driver is usually used in occasions such as entertainment lighting or stage lighting.
