MAX1575 Maxim Integrated Products, MAX1575 Datasheet - Page 7

• Manufacturer Part Number: MAX1575
• Description: White LED 1x/1.5x Charge Pump
• Manufacturer: Maxim Integrated Products

Figure 2. Functional Diagram and Typical Application Circuit
2.7V TO 5.5V
AND DIMMING
AND DIMMING
MAIN ENABLE
SUB ENABLE
R
SET
C
1µF
IN
IN
ENM
GND
ENS
SET
_______________________________________________________________________________________
CURRENT MIRROR
ERROR
AMP2
CONTROL AND
MAIN CONTROL
CONTROLLED
REFERENCE
SUB CONTROL
0.18V
0.6V
C1P
1x/1.5x REGULATING CHARGE PUMP
White LED 1x/1.5x Charge Pump
1µF
C1
ERROR
C1N
AMP1
C2P
for Main and Sub-Displays
SELMIN
1µF
C2
C2N
OVD
1.25V
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LED1
LED2
LED3
LED4
LED5
LED6
OUT
C
1µF
OUT
D1
D2
D3
D4
D5
D6
7