Description
BP1618 Two-String Step-up Dimmable LED Driver .
The BP1618 is a two-string step-up LED driver for wide input/output voltage range with a boost power switch integrated inside.
Features
* Input voltage as low as 3V
* Step-up and linear constant current control
* Built-in power MOSFET
* ± 3% Output current accuracy
* PWM dimming signal, with minimum dimming
level of 1%
* Stable light output without flicker
* Built-in soft start
* Cycle-by-Cycle Over C
Applications
* Dimmable CCT LED Table Lamp
* Smart Dimmable LED Bed lamp
Typical Application
Cin
BP1618
Cout
1 NC 2 NC 3 SW 4 VIN 5 PWM1 6 PWM2 7 RT 8 CS2
NC 16 NC 15 GND 14 TM 13 VOUT 12 D1 11 D2 10 CS1 9
Figure 1. Typical Application Circuit for BP1618
BP1618_EN_DS_Rev.1.1
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