EL7564CMZ Просмотр технического описания (PDF) - Intersil
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EL7564CMZ 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
1 VREF
EN 28
C4
390pF
2 SGND
FB 27
R4
3 COSC
PG 26
22Ω
C3
4 VDD
0.22µF
VDRV 25
5 VTJ
VHI 24
C2
2.2nF
6 PGND
LX 23
7 PGND
LX 22
VIN
5V
8 PGND
LX 21
330µF
9 PGND
10 VIN
LX 20
LX 19
11 VIN
LX 18
12 NC
NC 17
13 STP
PGND 16
14 STN
PGND 15
C6
0.22µF
L1
4.7µH
D1
C7
330µF
VOUT
3.3V, 4A
R2
C10
2.37kΩ 100pF
R1
1kΩ
4
FN7297.3
May 9, 2005
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