AAT1184 Datasheet, PDF (15/18 Pages) Advanced Analogic Technologies – High Voltage Step-Down Regulator

V_IN
6V - 24V
C2
0.1µF
D1
BAS16
C3
2.2µF
+
C1 C11
22µF open
25V
C12
1µF
25V _EN
DATA SHEET
AAT1184
High Voltage Step-Down Regulator
U1
4 _LX
LX ⁵
3 _BST
1
RS
8 _VL
OS ¹²
AAT 1184
6
IN
FB ¹⁰
D2
B340A
L1
4.7µH
R1
2.32k
C4
68nF
C7
330pF
R8 R3 R7
open 0 499
R6
open
7
11
IN COMP
2 _{EN GND} 9
TSOPJW-12
R2
24.3K
C5
220pF
C6
56pF
VOUT
5V/1.2A
R4
44.2k
C8
C9 C10
22µF open open
R5
6.04k
U1
C1
C2
C3
C4,C5,C6,C7
C8
C12
D1
D2
L1
R1-R6
AAT1189 Skyworks, Hi-Voltage Buck, TSOPJW-12
Cap, MLC, 100µF/25V, Electrolytic cap
Cap, MLC, 0.1µF/6.3V, 0603
Cap, MLC, 2.2µF/6.3V, 0602
Cap, MLC, misc, 0603
Cap, MLC, 22µF/6.3V, 1206
Cap, MLC, 1µF/25V, 1206
BAS16, Generic, Rectifier, 0.2A/85V, Ultrafast, SOT-23
B340A, Generic, Schottky Rectifier, 3A/40V, SMA
SLF7045T-4R7M2R0-PF, TDK, 4.7µH, ISAT = 2A, DCR = 30mΩ
Carbon film resistor, 0402
Figure 4: AAT1184ITP Evaluation Board Schematic.
Figure 5: AAT1184ITP Evaluation Board
Top Layer.
Figure 6: AAT1184ITP Evaluation Board
Bottom Layer.
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [e-mail] • www.skyworksinc.com
202000A • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice. • May 29, 2012
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