AAT1275_08 Datasheet, PDF (15/19 Pages) Advanced Analogic Technologies – Boost Converter with USB Power Switch

SwitchReg^TM
VIN
C6
120µF
PRODUCT DATASHEET
AAT1275
Boost Converter with USB Power Switch
L1
AAT1275-TDFN34-16 _2.2µH
U1
1 _LIN
LIN
16
3 _VIN
SW ¹²
4 _VCC
SW ¹¹
1 2 3 ^{Feedback Option}
R1
3
10K
2
15 _{VIN OUT2} 9
1
2 _{EN OUT1} 10
Enable
1
7 _FLT
FB ⁶
R5 1k
FLT
C3
4.7µF
10V
13 _{PGND SET} 8
GND
14
PGND GND
5
R4
R2
432 k
C4
100pF
R3
16.9k 59k
VOUT1
C2
4.7µF
10V
VOUT2
C1
4.7µF
10V
Figure 6: AAT1275 TDFN34-16 Package Evaluation Board Schematic.
Manufacturer
Murata
Murata
Murata
Murata
Part Number
GRM21BR61A475KA73L
GRM18BR60J475KE19D
GRM21BR60J106KE19
GRM21BR60J226ME39
Value
4.7µF
4.7µF
10µF
22µF
Voltage
10V
6.3V
6.3V
6.3V
Table 2: Typical Surface Mount Capacitors.
Temp. Co.
X5R
X5R
X5R
X5R
Case
0805
0603
0805
0805
Manufacturer
Sumida
Sumida
Coiltronics
Coiltronics
Part Number
CDRH2D14-2R2
CDRH4D11/HP-2R4
SD3112-2R2
SD3114-2R2
Inductance (µH)
2.2
2.4
2.2
2.2
Max DC
Current (A)
1.6
1.7
1.12
1.48
DCR (Ω)
0.094
0.105
0.140
0.086
Size (mm)
LxWxH
3.2x3.2x1.55
4.8x4.8x1.2
3.1x3.1x1.2
3.1x3.1x1.4
Table 3: Typical Surface Mount Inductors.
Type
Shielded
Shielded
Shielded
Shielded
1275.2008.04.1.7
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