(China (Mainland))
Product Summary
The SC604AIMLTRT is a very high efficiency charge pump white LED driver driver from the mAhXLife family of products, optimized for Li-Ion battery applications. The four (4) LED outputs of the SC604AIMLTRT are current matched for consistent LED brightness. Extremely low battery current is achieved by automatically reconfiguring the charge pump to match circuit conditions. The applications of the SC604AIMLTRT include: Cellular phones, LED backlighting, PDA power supplies, Portable devices, Electronic books, Wireless web appliances, LCD Modules.
Parametrics
SC604AIMLTRT absolute maxing ratings: (1)Supply Voltage VIN: -0.3 to +7.0 V; (2)Output Voltage VOUT: -0.3 to +7.0 V; (3)V OUT Short Circuit Duration SC: Indefinite s; (4)Thermal Resistance, Junction to Ambient θJA: 40 ℃/W; (5)Operating Ambient TA: -40 to +85 ℃; (6)Junction Temperature Range TJ: -40 to +150 ℃; (7)Storage Temperature Range TSTG: -65 to +150 ℃; (8)IR Reflow Temperature SC604AIMLTRT TLEAD: 260 ℃.
Features
SC604AIMLTRT features: (1)Very high efficiency over 90% of battery life; (2)Peak efficiency over 92%; (3)Current regulation for up to 4 LEDs; (4)Digital 3 bit output control logic; (5)Current matching tolerance of ±3% typical; (6)Wide current range per LED [0.5mA - 30mA]; (7)High available total LED current = 4 · ILED = 120mA; (8)Low Shutdown Current: 1μA typical; (9)Soft start / In-rush current limiting; (10)Short circuit protection; (11)MLP-16 [4x4] Package; (12)Fixed frequency 250kHz; (13)1x, 1.5x and 2x charge pump modes of operation.
Diagrams
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