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ISL854102DEMO2Z Scheda tecnica(PDF) 4 Page - Renesas Technology Corp

Il numero della parte ISL854102DEMO2Z
Spiegazioni elettronici  Wide VIN 1.2A Synchronous Buck Regulator
PDF  21 Pages
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Produttore elettronici  RENESAS [Renesas Technology Corp]
Homepage  http://www.renesas.com
Logo RENESAS - Renesas Technology Corp

ISL854102DEMO2Z Scheda tecnica(HTML) 4 Page - Renesas Technology Corp

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ISL854102
FN8870 Rev.1.00
Page 4 of 21
Mar 15, 2019
Typical Application Schematics
FIGURE 3. INTERNAL DEFAULT PARAMETER SELECTION
FIGURE 4. USER PROGRAMMABLE PARAMETER SELECTION
GND
CBOOT
100nF
CFB
R3
R2
PHASE
SS
SYNC
BOOT
VIN
PGND
FS
COMP
FB
VCC
PG
EN
CVCC
1µF
CVIN
10µF
L1
22µH
1
2
3
4
5
6
9
10
11
12
COUT
10µF
VOUT
GND
CBOOT
100nF
CFB
R3
R2
CSS
CCOMP
RCOMP
RFS
PHASE
SS
SYNC
BOOT
VIN
PGND
FS
COMP
FB
VCC
PG
EN
CVIN
10µF
CVCC
1µF
L1
22µH
COUT
10µF
1
2
3
4
5
6
9
10
11
12
VOUT
TABLE 1. EXTERNAL COMPONENT SELECTION
VOUT (V) L1 (µH)
COUT (µF)
R2 (kΩ)R3 (kΩ)CFB (pF)
RFS (kΩ)RCOMP (kΩ)CCOMP (pF)
12
22
2 x 22
90.9
4.75
22
115
150
470
5
22
47 + 22
90.9
12.4
27
DNP (Note 1)
100
470
3.3
22
47 + 22
90.9
20
27
DNP (Note 1)
100
470
2.5
22
47 + 22
90.9
28.7
27
DNP (Note 1)
100
470
1.8
12
47 + 22
90.9
45.5
27
DNP (Note 1)70
470
NOTE:
1. Connect FS to VCC.



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