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AX3111ESA Datasheet(PDF) 5 Page - AXElite technology co. ltd

Part # AX3111ESA
Description  PWM Control 3A Step Down Converter
PDF  13 Pages
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Manufacturer  AXELITE [AXElite technology co. ltd]
Direct Link  http://www.axelite.com.tw/
Logo AXELITE - AXElite technology co. ltd

AX3111ESA Datasheet(HTML) 5 Page - AXElite technology co. ltd

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Axelite Confidential Materials, do not copy or distribute without written consent.
Rev.2.3 Oct.09, 2019
AX3111
APPLICATION CIRCUIT
(1) EL cap
C5
470uF
C4
470uF
1
2
L1
R1
5.6K
R4
1.1K
VIN+8~40V
VOUT = 5V/3A
D1
B340
C3
0.1uF
OSC
EN/SS
VGATE
VCC
GND
COMP
FB
SW
AX3111ES
R1
R4
VFB = 0.815V ; R4 suggest 0.8K ~ 3k
VOUT = VFB x (1 +
)
C7
0.1uF
C6
0.1uF
R3
C1
1uF
C9
R2
C2
C10
0.1uF
ON
OFF
EL Capacitor Compensation Table
COUT ESR Range
Frequency (Hz)
VIN Range
R2
C9
C2
L1
30m~80mΩ
50K
8~40V
470
4n7
2700p
100u
150K
470
4n7
1200p
68u
250K
470
4n7
1000p
33u
350K
470
4n7
1200p
22u
80m~300mΩ
50K
470
4n7
2700p
100u
150K
470
4n7
1500p
68u
250K
470
4n7
560p
33u
350K
470
4n7
270p
22u



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