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Maxim > 方案 > 数码相机(DIGICAM)

电源选通

数据资料
显示 标题/型号 关键优势
QV    氙闪光灯充电器,提供IGBT驱动及电压监测
MAX8685A, MAX8685C, MAX8685D, MAX8685F

快速充电的闪光灯电荷泵,带有电压监测
QV  PDF 1MHz PWM boost转换器,用于驱动1.5A白光LED相机闪光灯
MAX8607

大电流、白光LED、升压型DC-DC,用于点亮相机闪光灯,能够以84%的效率提供1.5A的稳定电流
QV    可快速充电的氙闪光灯充电器,用于数码相机和照相手机
MAX8622

QV  PDF 1.2A白光LED调节电荷泵,用于相机闪光灯和放映灯
MAX1577Y, MAX1577Z

大电流、1.2A电荷泵,用于开启WLED相机闪光灯,即使在低电池电压输入情况下
QV  PDF 480mA白光LED 1倍/1.5倍/2倍电荷泵,用于背光和相机闪光灯
MAX1576

QV  PDF 白光LED相机闪光灯boost转换器
MAX1583

首款24V、白光LED闪光灯电源,用于照相电话
QV  PDF 180mA、1倍/2倍、白光LED电荷泵,3mm x 3mm TDFN封装
MAX1574

白光LED电荷泵,3mm x 3mm TDFN封装,平均效率高达83%
QV  PDF 高效率、40V、升压型变换器,用于2至10个白光LED驱动
MAX1553, MAX1554

尺寸最小、效率最高的40V驱动器,可驱动10只白光LED
QV  PDF 高效率、升压型稳流器,用于LED驱动
MAX1698, MAX1698A




Key Specifications:   Switch-Mode DC-DC Power Supplies
Part Number Topology VIN (min) (V) VIN (max) (V) Number of DC-DC Outputs Digital/VID Programmed Output Min. Adjustable VOUT (V) Max. Adjustable VOUT (V) IOUT (A) Operating Current, ICC (max) (mA) Fixed Freq/PWM Operation Operating Freq. (kHz) Internal Power Switch(es) Synchronous Rectifier Package Smallest Available Package (max w/pins) (mm2)
MAX8622  Step-Up 2.5 5.5 1 No 1.25 400 0.01 0.1 No 300 Yes No THIN QFN (Dual)/10 10
MAX8685  Step-Up 2.5 5.5 1 No 1.25 400 0.01 0.1 No 300 Yes No THIN QFN (Dual)/14
THIN QFN (Dual)/8
6
See All Switch-Mode DC-DC Power Supplies (421)

Key Specifications:   White LED Drivers
Part Number Topology Max. No. of LEDs Configuration Dimming Control VCURR_SENSE (mV) POUT (W) IMAX per LED (mA) Min. VIN (V) Max. VIN (V) ICC (max) (mA) Max. VOUT (V) Fixed Freq. Operating Freq. (kHz) Soft Start Internal Power Switch(es) Shutdown Open LED Protection Camera Flash LED Temp. Derating EV-Kit Package Smallest Available Package (max w/pins) (mm2) Operating Temp. Range (°C)
MAX8607  Inductor Based
Linear Current Regulator
1 Parallel Digital  -  6 1500 2.7 5.5 4 5.5 Yes 1000 Yes Yes Yes Yes Yes Yes Yes THIN QFN (Dual)/14 10 -40 to +85
MAX1577  Charge Pump 40 Parallel Digital  -  5 1200 2.7 5.5 5 5.1 Yes 1000 Yes Yes Yes Yes Yes No Yes THIN QFN (Dual)/8 10 -40 to +85
MAX1576  Charge Pump 8 Parallel Analog
PWM
Serial Pulse
 -  2 400 2.7 5.5 6 5 Yes 1000 Yes Yes Yes Yes Yes No Yes THIN QFN/24 17 -40 to +85
MAX1583  Inductor Based 5 Series Analog
Digital
0.6 6 300 2.6 5.5 2.5 24 Yes 1000 Yes Yes Yes Yes Yes No Yes THIN QFN (Dual)/10 10 -40 to +85
MAX1574  Charge Pump 3 Parallel Serial Pulse  -  0.75 60 2.7 5.5 2 5 Yes 1000 Yes Yes Yes Yes Yes No Yes THIN QFN (Dual)/10 10 -40 to +85
MAX1553  Inductor Based 6 Series Analog
PWM
200 0.5 20 2.7 5.5 0.35 40 No  -  Yes Yes Yes Yes No No Yes THIN QFN (Dual)/8 10 -40 to +85
MAX1554  Inductor Based 10 Series Analog
PWM
200 0.8 20 2.7 5.5 0.65 40 No  -  Yes Yes Yes Yes No No Yes THIN QFN (Dual)/8 10 -40 to +85
MAX1698  Inductor Based 50 Series-Parallel Analog 300 5 350 2.7 5.5 0.5 60 No  -  Yes No Yes Yes  -  No Yes uMAX/10 15 -40 to +85
See All White LED Drivers (43)




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