AS1326
Datasheet - A p p l i c a t i o n I n f o r m a t i o n
Input and Output Filter Capacitors
Choose input and output filter capacitors that will service the input and output peak currents with acceptable voltage
ripple. Choose input capacitors with voltage ratings greater than the maximum input voltage, and output capacitors
with voltage ratings greater than the output voltage.
Table 8. Recommended Input Capacitor
Part Number
TPSC336K010R0150
T495V336K010ATE100
A700V226M006ATE028
EEFCD0K330R
C
33μF ±10%
33μF ±10%
22μF ±20%
33μF ±20%
ESR
150m Ω
100m Ω
28m Ω
18m Ω
Rated Voltage
10V
10V
6.3V
8V
Dimensions (L/W/T)
6x3.2x2.6mm
7.3x4.3x2mm
7.3x4.3x2mm
7.3x4.3x1.8mm
Manufacturer
AVX Corp
Kemet
Panasonic
Table 9. Recommended Output Capacitor
Part Number
C
ESR
Rated Voltage Dimensions (L/W/T)
Manufacturer
TPSD107K010R0050
T495D107M010ATE050
A700V826M006ATE018
EEFUD0J101R
100μF
±10%
100μF
±20%
82μF ±20%
100μF
±20%
50m Ω
50m Ω
18m Ω
15m Ω
10V
10V
6.3V
6.3V
7.3x4.3x2.9mm
7.3x4.3x2.8mm
7.3x4.3x2mm
7.3x4.3x2.8mm
AVX Corp
Kemet
Panasonic
Figure 25. Application Circuits using External Schottky Diode for Output Voltages Greater than 4V, or for Low-
Voltage Startup Assistance
MBR0520L
V OUT = 3.3V
V IN = 0.7V
to V OUT
33μF
+
3.3μH
8
LX
10
100μF
+
ONN
6
CLK/SEL
1
9
POUT
ISET
2
REF
AS1326A
5
10 Ω
10nF
4
FB
3
GND
7
PGND
OUT
330nF
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Revision 1.05
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