AAT3113ITP ANALOGICTECH [Advanced Analogic Technologies], AAT3113ITP Datasheet - Page 13

• Manufacturer Part Number: AAT3113ITP
• Description: High Efficiency 1.5X Fractional Charge Pumps For White LED Applications
• Manufacturer: ANALOGICTECH [Advanced Analogic Technologies]

Application Circuits
3113.2008.05.1.10
3113.2008.05.1.10
ChargePump
ChargePump
Figure 4: AAT3114/14A Application Driving a Display Module With Six Parallel-Connected White LEDs.
V
BATTERY
V
BATTERY
Enable Keyboard Backlight
Enable Display Backlight
TM
TM
High Efficiency 1.5X Fractional Charge Pumps For White LED Applications
High Efficiency 1.5X Fractional Charge Pumps For White LED Applications
Figure 5: AAT3114/14A Dual Backlight Control Circuit.
C
1µF
IN
C
1µF
EN/SET
IN
EN/SET
C
1µF
OUT
C
1µF
OUT
VIN
OUT
EN/SET
AAT3114/14A
VIN
OUT
EN/SET
w w w . a n a l o g i c t e c h . c o m
w w w . a n a l o g i c t e c h . c o m
AAT3114/14A
GND
GND
C1+
C1-
C2+
C2-
D1
D2
D3
D4
D5
D6
C1-
C2+
C1+
C2-
AAT3113, AAT3114/14A
AAT3113, AAT3114/14A
D1
D2
D3
D4
D5
D6
C1
1µF
C2
1µF
C1
1µF
C2
1µF
D1
R1
D1
Display Backlight
D2
R2
D2
D3
R3
D3
PRODUCT DATASHEET
PRODUCT DATASHEET
R4
D4
D4
Display Module
Keyboard Backlight
Resistor R is optional
R5
D5
D5
R6
D6
D6
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