NHD‐5.7B‐LED Driver LED Backlight Driver RoHS Compliant Newhaven Display International, Inc. 2511 Technology Drive, Suite 101 Elgin IL, 60124 Ph: 847‐844‐8795 Fax: 847‐844‐8796 www.newhavendisplay.com [email protected] [email protected] [1] Document Revision History Revision 0 Date 07/28/2010 Description Initial Release Changed by MC Functions and Features • HIMAX HA7101 LED Driver • PWM control backlight brightness with Enable pin • 5V power supply input for 9.9V output, for NHD‐5.7‐320240WFB series displays ELECTRICAL CHARACTERISTICS Parameter Operating Temperature Range Storage Temperature Range Input Voltage Input Current (no load) Input Current (with load) Output Current Output Voltage Symbol ‐ ‐ Condition Absolute Max Absolute Max Min ‐20 ‐30 Typ 25 25 Max 85 100 Unit °C °C Vin Iout Vout ‐ Vin=5V Vin=5V Vin=5V Vin=5V 3.3 ‐ ‐ ‐ ‐ 5.0 1.2 480 140 9.9 5.5 ‐ ‐ ‐ ‐ V mA mA mA V J1 Pin Description (user input) Pin No. Symbol 1 2 3 VCC E GND External Connection Power Supply MPU Power Supply Function Description Power Supply for LED driver circuit Enable input (PWM signal) Ground for LED driver circuit Connector: M125PR‐03 Recommended mating connector: M125H‐03 http://www.newhavendisplay.com/app_notes/M125H-03.pdf J2 Pin Description (output) Pin No. Symbol 1 2 LED‐ LED+ External Connection K A Function Description Ground for LED backlight Power for LED backlight Connector: S 3B‐XH‐A Connector on display backlight: XHP‐3 [2] J1 Mechanical Drawing 1 2 3 80.0+ 0.3 1 2 VCC E GND J2 J1 8.5MAX 14.0+ 0.3 M125PR-03 Vcc E GND J2 1 2 LEDLED+ J2(OUTPUT):1=>LED2=>LED+ Newhaven Display NHD-5.7B-LED Driver