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Features of "IS32BL3556" suitable for LCD backlight
IS32BL3556 is a white LED driver for backlight provided by ISSI.
It is ideal for LCD display backlight drivers because it can achieve a contrast ratio of 10,000:1 with PWM brightness control.
In addition, since analog dimming input is also possible, the current value can be changed directly.
The analog dimming input does not generate electromagnetic noise, making it ideal for medical applications.
1. "10,000:1 contrast ratio" for smooth dimming
The IS32BL3556 is capable of adjusting brightness using digital PWM. Seamless dimming is possible over a wide range with a high contrast ratio of 10000:1.
An analog PWM dimming input is also available.
2. Drives up to 12 series LEDs
The LED drive system has 4 channels (20mA per channel) and can drive up to 12 LEDs in series.
3. Safe even with large currents with advanced protection functions
The IS32BL3556 has protection functions for output shorts, overvoltages, diode open-shorts, etc.
4. Ideal for medical applications as it does not generate electromagnetic noise
The IS32BL3556 has an APWM function that allows analog brightness adjustment.
The APWM function can change the current value flowing through the LED.
Brightness can be adjusted without using PWM, which is a source of electromagnetic noise EMI, making it ideal for medical applications.
Application example
- LCD Monitor
- LCD display module
- liquid crystal television
- car infotainment
- cluster
Product Summary
| Type name | IS32BL3556 |
| specification |
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