MAX8790 Ver la hoja de datos (PDF) - Maxim Integrated
Número de pieza
componentes Descripción
Fabricante
MAX8790
Maxim Integrated
MAX8790 Datasheet PDF : 23 Pages
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MAX8790
Six-String White LED Driver with Active
Current Balancing for LCD Panel Applications
IN
VCC
OSC
SHDN
CCV
ISET
FSET
CPLL
BRT
ENA
5V LINEAR
REGULATOR
OUTPUT OVERVOLTAGE
COMPARATOR
1.25V
ERROR
OV
COMPARATOR
VCC
OSCILLATOR
TRI-LEVEL
COMPARATOR
REF ADJ
CLOCK
CONTROL AND
DRIVER LOGIC
EXT
SLOPE
COMPENSATION
CURRENT SENSE
CS
FB OVERVOLTAGE
COMPARATOR
VCC + 0.6V
65ms TIMER
SHUTDOWN
HVC
FB6
LATCH
FB5
ERROR
AMPLIFIER
gm
FB4
LVC
FB3
FB2
REF
SAT
FB1
OSC
CLK
256 x fBRT
VCC - 0.4V
8-BIT DAC
8
DIGITAL CONTROL
EN
N
10Ω
CURRENT SOURCE
GND
8
PLL
8-BIT
8
8-BIT
COUNTER
LATCH
5 MSBs
5 LSBs
DIGITAL
COMPARATOR
CURRENT SOURCE
FB2
CURRENT SOURCE
FB3
CURRENT SOURCE
FB4
CURRENT SOURCE
FB5
CURRENT SOURCE
FB6
Figure 2. Control Circuit Block Diagram
www.maximintegrated.com
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