EL7564 データシートの表示（PDF） - Renesas Electronics
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EL7564 Datasheet PDF : 17 Pages
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EL7564
Closed-Loop AC Electrical Specifications
PARAMETER
DESCRIPTION
FOSC
tSYNC
MSS
tBRM
tLEB
DMAX
Oscillator Initial Accuracy
Minimum Oscillator Sync Width
Soft Start Slope
FET Break Before Make Delay
High Side FET Minimum On Time
Maximum Duty Cycle
VS = VIN = 5V, TA = TJ = 25°C, COSC = 1.2nF, Unless Otherwise Specified.
CONDITIONS
MIN
TYP
MAX UNIT
105
117
130
kHz
25
ns
0.5
V/ms
15
ns
150
ns
95
%
Typical Application Diagrams (Continued)
EL7654
(28-PIN HTSSOP)
TOP VIEW
C5
0.1µF
C4
390pF
R4
22
C2
2.2nF
VIN
5V
330µF
1 VREF
2 SGND
3 COSC
C3
0.22µF
4
VDD
5 VTJ
6 PGND
7 PGND
8 PGND
9 PGND
10 VIN
11 VIN
12 NC
13 STP
14 STN
EN 28
FB 27
PG 26
VDRV 25
VHI 24
LX 23
LX 22
LX 21
LX 20
LX 19
LX 18
NC 17
PGND 16
PGND 15
C6
0.22µF
L1
4.7µH
D1
C7
330µF
VOUT
3.3V, 4A
R2
2.37k
C10
100pF
R1
1k
FN7297 Rev 3.00
May 9, 2005
Page 4 of 17
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