MAX1579ETG+ Maxim Integrated Products, MAX1579ETG+ Datasheet - Page 8

• Manufacturer Part Number: MAX1579ETG+
• Description: IC PS BIAS/WHITE LED TFT 24-TQFN
• Manufacturer: Maxim Integrated Products

Specifications of MAX1579ETG+

• Applications: LCD Display
• Current - Supply: 3mA
• Voltage - Supply: 2.7 V ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 24-TQFN Exposed Pad
• Number Of Segments: 8
• Operating Supply Voltage: 2.7 V to 5.5 V
• Maximum Power Dissipation: 1667 mW
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Minimum Operating Temperature: - 40 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Complete Bias and White LED Power Supplies
for Small TFT Displays
8
_______________________________________________________________________________________
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
LX
PGND
OUT
CS
C1P
C1N
C2P
C2N
V
MAIN
CU1
CU2
CU3
POS
DD