AAT1118A AAT [Advanced Analog Technology, Inc.], AAT1118A Datasheet - Page 8

• Manufacturer Part Number: AAT1118A
• Description: ADJUSTABLE TRIPLE-CHANNEL TFT LCD DC-DC CONVERTER
• Manufacturer: AAT [Advanced Analog Technology, Inc.]

BLOCK DIAGRAM
AAT1118/A
IN1
IN1
PGO
PGO
OUT3
OUT3
GND2
GND2
V
V
V
V
EO
EO
DD2
DD2
REF
REF
Bandgap &
Bandgap &
Soft Start
Soft Start
Oscillator
Oscillator
–
OSC
OSC
1.24v
1.24v
Clock
Clock
OSC
OSC
–
1.24v
1.24v
EN3
EN3
IN3
IN3
Error Amplifier
Error Amplifier
˚ ” ~ H ] ¶ ß
Slope Compensation
Slope Compensation
Power Up Sequence
Power Up Sequence
Fault Detect
Fault Detect
Comparator
Comparator
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IN1
IN1
Current sense
Current sense
IN2
IN2
ø
EN1
EN1
Thermal SHDN
Thermal SHDN
EN2
EN2
SHDN
SHDN
Control
Control
Logic
Logic
OSC
OSC
–
Driver
Driver
–
AAT1118/A/B
GND2
GND2
V 1.0
SHDN
SHDN
SW
SW
GND1
GND1
GND
GND
OUT2
OUT2
V
V
V
V
DD1
DD1
DD
DD