1 / 12 page
http://www.hawyang.com.tw/
- 1 -
Features
˙
Precision reference voltage: 0.5V (±2%)
˙
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
IC1
MR163
Vcc
1
SS
2
FB
4
IN-
3
LX1
7
LX2
8
L1
10uH
D1
White LED
R1
1
D2
SK23
C1
0.1
C2
0.1
+
C3
22uF
Vin
Vout
High-Brightness White LED Cup Application Example
Pb
White LED Cup Light Controller
German ▼
English
Chinese
German
Japanese
Russian
Korean
Spanish
French
Italian
Portuguese
Polish
Vietnamese
Indian
Mexican
British
New Zealand
