MAX1579 Maxim Integrated Products, MAX1579 Datasheet - Page 8

• Manufacturer Part Number: MAX1579
• Description: Complete Bias and White LED Power Supplies for Small TFT Displays
• Manufacturer: Maxim Integrated Products

Complete Bias and White LED Power Supplies
for Small TFT Displays
8
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ONBIAS
COMP
PMPB
CTRL
PMP
GND
CD2
CD1
NEG
IN
170mV
OSC
N
-2X INVERTING
CHARGE PUMP
BIAS
REF
DIVIDE BY 64
CHARGE-PUMP
SHUTDOWN
DIVIDE BY FOUR
CONTROL
OSC
TIMER
OSCILLATOR
1MHz
SHUTDOWN
SEQUENCING
OSC
MAX1579
MAX1578
5V LDO
CONTROL
PWM
CHARGE PUMP
MULTIMODE
1.5X/2X
OVERVOLTAGE
PROTECTION
CHARGE PUMP
3X POSITIVE
SHUTDOWN
SHUTDOWN
N
N
N
Block Diagram
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LX
PGND
OUT
CS
C1P
C1N
C2P
C2N
V
MAIN
CU1
CU2
CU3
POS
DD