AAT3151B_08 ANALOGICTECH [Advanced Analogic Technologies], AAT3151B_08 Datasheet - Page 2

• Manufacturer Part Number: AAT3151B_08
• Description: High Efficiency 1X/1.5X Charge Pump For White LED Applications
• Manufacturer: ANALOGICTECH [Advanced Analogic Technologies]

Pin Descriptions
Pin Configuration
2
2
ChargePump
ChargePump
Pin #
10
11
12
EP
1
2
3
4
5
6
7
8
9
Symbol
EN/SET
VOUT
GND
C1+
C2+
C1-
C2-
VIN
D4
D1
D2
D3
TM
TM
Function
Current sink input #4.
AS
Flying capacitor 1 positive terminal. Connect a 1μF ceramic capacitor between C1+ and C1-.
Flying capacitor 1 negative terminal.
Charge pump output to drive load circuit. Requires a 1μF or larger ceramic capacitor connected between
this pin and ground.
Flying capacitor 2 positive terminal. Connect a 1μF ceramic capacitor between C2+ and C2-.
Flying capacitor 2 negative terminal.
Input power supply. Requires a 1μF or larger ceramic capacitor connected between this pin and ground.
Ground.
Current sink input #1.
Current sink input #2.
Current sink input #3.
Exposed paddle (bottom). Connect to GND directly beneath package.
2
Cwire serial interface control pin.
High Efficiency 1X/1.5X Charge Pump For White LED Applications
High Efficiency 1X/1.5X Charge Pump For White LED Applications
EN/SET
VOUT
C1+
C2+
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
C1-
D4
1
2
3
4
5
6
TDFN33-12
(Top View)
12
11
10
9
8
7
D3
D2
D1
GND
VIN
C2-
PRODUCT DATASHEET
PRODUCT DATASHEET
AAT3151B
AAT3151B
3151B.2008.02.1.1
3151B.2008.02.1.1