Transcription of 内部スイッチを持つ、30V1AのLEDドライバー
1 - 1/8 - CHIPLINK SEMICONDUCTOR 2012/10/ 5 30V1A LED CL6807 LED LED 7V 30V 1A 35 CL6807 "ADJ" ADJ DC PWM PWM PWM / ADJ ADJ 8V 30V 1A DC PWM 5% LED 95 SOT89-5 LED LED - 2/8 - 1LX N- MOSFET 2 GND 3 ADJ / VADJ 5V IOUTnom(A) = (V) / RS( )
2 IOUTnom 0% 100% DC <VADJ< PWM f>10kHz IOUTnom 25 100 f<500Hz IOUTnom 1 100 4 ISNS 5 VIN 1 VIN 30 VSW 30 VISNS VIN + ( )VADJ 6 VPDMAX 2 WPTR SOT89-5 JA45 C/WTJ -40 150 CTSTG -55 150 CESD 3 2kV VINVDD 0 30 VTOPT -40 +85 C 1 DC AC - 3/8 - 2 TJMAX JA TA PDMAX= TJMAX- TA / JA 3 100pF 4 5 VIN=24V TA=25 C VIN 830 VVUVLO VIN 7
3 VVUVLO, HYSUVLO VIN 500mVFSW 1 MHzVISNS VIN-VISNS95 100 105 mV 15 VISNS_hys 30 IISNSISNS VIN-VISNS=100mV8 AIOFF 75 A VADJ_HADJ [ ] [ ] VVADJ_DCDC VfADJ ADJ 20 kHz fADJ< 100 1 fADJ> 5 1 IADJ_HADJ [ ] VADJ= 5V-1+1 AIADJ_LADJ [ ] VADJ= ARLXLX ILX= ILXmean LX 1 AILEAKLX 5 A 4 25 C 5 / - 4/8 - CL6807 LED HB LED 7V 30V 1A LED PWM ADJ 1 5 LED L1 RS VIN L1 RS [ ] MOSFET LX [ ]
4 RS L1 LED VIN RS VISNS VIN L1 VIN- VISNS >115mV [ ] MOSFET RS VIN- VISNS <85mV MOSFET LED IOUTnom [A] 85+115 /2 mV/RS CL6807 ADJ PWM ADJ CL6807 LED LED ADJ ADJ RS DC (VADJ) - 5/8 - LED LED CL6807 LED NTC ADJ UVLO CL6807 500mV 7V UVLO VIN 7V N- MOSFET MOSFET VIN 5V VCC 10mA 5V VCC GND ADJ CL6807 ADJ PWM ADJ LED LED ADJ LED
5 RS CL6807 VIN ISNS LED CL6807 LED 1 MOSFET MOSFET n=LED VLED=1 LED V= (VSNS_HI- VSNS_LO)- 6/8 - 1 LED LED LED LED LED PCB PCB 2 MOSFET IN RS LED MOSFET GND MOSFET RS LED
6 RS VIN ISNS RS - 7/8 - - 8/8 - CHIPLINK Technology CHIPLINK Technology CHIPLINK Technology CHIPLINK Technology
