Rainbow-electronics MAX16803 Manual do Utilizador descarregar pdf (Página 10)

MAX16803

Multichannel HB LED Driver

Figure 8 shows an array of MAX16803s with independent

DIM control. The MAX5094C, a current-mode PWM con-

troller, provides the input power to each LED driver pre-

regulated voltage to multiple MAX16803 drivers.

High-Voltage, 350mA, High-Brightness LED

Driver with PWM Dimming and 5V Regulator

10 ______________________________________________________________________________________

Chip Information

PROCESS: BiCMOS

16 15 13

N.C.

GND

CS-

SENSE

CS+

MAX16803

N.C. N.C. N.C.N.C.

OUT EN DIMN.C.

OUT

DIM

Typical Operating Circuit

REF

COMP

GND

OUT

MAX5094C

MAX16803

REF

COMP

DIM

CS-

CS+

OUT

GND

LEDs

C10

MAX16803

DIM

CS-

CS+

OUT

GND

C11

LEDs

MAX16803

DIM

CS-

CS+

OUT

GND

LEDs

Figure 8. Multichannel HB LED Driver for LCD Backlight

1 2 ... 5 6 7 8 9 10 11 12

MAX16803 1
PACKAGE OUTLINE 12

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