MR163 Datasheet, PDF (1/12 Pages) List of Unclassifed Manufacturers – White LED Cup Light Controller

Features
White LED Cup Light Controller
Precision reference voltage: 0.5V (±2%)
Pb
Wide operation input voltage: 3.0V ~ 18V
High output loading current: typ. 2.0A
Fixed PWM frequency: typ. 360KHz
Programmable soft-start
Thermal shutdown and short circuit protection
Compensation and ON/OFF control
Package: SOP8
General Description
The MR163, a 1-chip composed of high current MOS with a fixed PWM oscillator
and an error amplifier with a 0.5V precision voltage reference for LED current
feedback and driving capaciblity, applied to offer space and low cost in many
applications such as the DC/DC bcuk converter and serial white LEDs cup light
controller and driver.
Typical Application Circuit
Vin
+ C3
22uF
C2
0.1
IC1
1 _Vcc
LX2 ⁸
2
MR163
SS
LX1
7
4 _FB
IN- ³
C1
0.1
L1
D2 10uH
SK23
Vout
D1
White LED
R1
1
High-Brightness White LED Cup Application Example
-1-