PRODUCT DATASHEET
AAT1276
SwitchRegTM
Boost Converter with USB Power Switch
Manufacturer
Part Number
Value
Voltage
Temp. Co.
Case
Murata
Murata
Murata
Murata
GRM21BR61A475KA73L
GRM18BR60J475KE19D
GRM21BR60J106KE19
GRM21BR60J226ME39
4.7μF
4.7μF
10μF
22μF
10V
6.3V
6.3V
6.3V
X5R
X5R
X5R
X5R
0805
0603
0805
0805
Table 2: Typical Surface Mount Capacitors.
Inductance
Max DC
Current (A)
DCR
(Ω)
Size (mm)
LxWxH
Manufacturer
Part Number
(μH)
Type
Sumida
Sumida
Coiltronics
Coiltronics
CDRH2D14-2R2
CDRH4D11/HP-2R4
SD3112-2R2
2.2
2.4
2.2
2.2
1.6
1.7
1.12
1.48
0.094
0.105
0.140
0.086
3.2x3.2x1.55
4.8x4.8x1.2
3.1x3.1x1.2
3.1x3.1x1.4
Shielded
Shielded
Shielded
Shielded
SD3114-2R2
Table 3: Typical Surface Mount Inductors.
VIN
R1
10K
U1
AAT1276
L1 2.2μH
4
1
8
SW
LIN
FLT
FLT
6
OUT2
VO2
VO1
J5
R4
7
5
GND
SET OUT1
16.9kΩ
R2
10
12
9
432k
GND
VCC
EN
FB
C1
4.7μF
C2
4.7μF
10V
11
2
3
VIN
VIN PGND
R3
59k
C6
120μF
CCase
C3
4.7μF
10V
GND
VIN
GND
3
2
1
Enable
Figure 3: AAT1276 Evaluation Board Schematic.
w w w . a n a l o g i c t e c h . c o m
14
1276.2007.11.1.1
ANALOGICTECH [ ADVANCED ANALOGIC TECHNOLOGIES ]
