EL7562(2002) 查看數據表（PDF） - Intersil
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EL7562 Datasheet PDF : 7 Pages
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Technical Brief 423
EL7562 Demo Board Circuit Schematic for VIN = 3.3V Application
VO
=
0.975
×
1
+
RR-----21-
C3
C4
0.1µF 270pF
R3
39Ω
VIN
(3V-3.6V)
C1
100µF
C2
0.1µF
1 SGND PGND 16
C5
2 COSC VREF 15
0.1µF
3 VDD
FB 14
D2
D3
4 PGND VDRV 13
C8
5 PGND
LX 12
0.1µF
6 VIN
7 VIN
LX 11
VHI 10
C6
0.1µF
8 EN
PGND 9
D4
C9
0.1µF
L1
4.7µF
C7
100µF
VO
(2.5V, 2A)
R2
1.54kΩ
R1
1kΩ
EL7562 Demo Board Bill of Material VIN = 3.3V, VOUT = 2.5V
REFERENCE
DESIGNATION
VALUE
MANUFACTURER
C1
100µF
Sprague
C2, C3, C5, C6, C8, C9
0.1µF, 0603
Any
C4
270pF, 5%, 0603
Any
C7
100µF
Sprague
L1
4.7µH
Coilcraft
R1
1kΩ, 0603
Any
R2
1.54kΩ, 0603
Any
R3
39Ω, 0603
Any
D2, D3/4
Bat54S
Vishay Telefunken
MANUFACTURER’S
PHONE NUMBER
207-324-4140
207-324-4140
847-639-6400
402-563-6863
PART NUMBER
293D107X0010D2
293D107X0010D2
D01813472HC
Bat54S
2
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