AAT1218 Datasheet, PDF (12/15 Pages) Advanced Analogic Technologies – 1A, 1.2MHz Synchronous Boost Converter

SwitchReg^TM
PRODUCT DATASHEET
AAT1218
1A, 1.2MHz Synchronous Boost Converter
Evaluation Board Schematic
LX
D1
B230LA
PGND _C3
22μF
VOUT
VOUT
VIN
L1 2.2μH
LX 1
2
VIN 3
EN 4
C1 R3
5
22μF 1M
6
U1
AAT1218-TDFN33-12
LX
N/C
VIN
EN
N/C
GND
PGND
PGND
OUT
OUT
FB
GND
C2
C4
12
22μF 100pF
11
Opt.
10
9
.
8
R1
7 FB _1.02M
R2
576K VOUT = 3.3V
PGND
EXP PAD
470K VOUT = 3.8V
324K VOUT = 5V
JP2
3
2
1
ENABLE
PGND
R10
GND
0R
GND
GND
PGND
Figure 2: AAT1218 Evaluation Board Schematic.
12
www.analogictech.com
1218.2008.10.1.1