el7564 Intersil Corporation, el7564 Datasheet - Page 4

• Manufacturer Part Number: el7564
• Description: Monolithic 4 Amp Dc/dc Step-down Regulator
• Manufacturer: Intersil Corporation

Typical Application Diagrams
Closed-Loop AC Electrical Specifications
F
t
M
t
t
D
SYNC
BRM
LEB
OSC
MAX
PARAMETER
SS
Oscillator Initial Accuracy
Minimum Oscillator Sync Width
Soft Start Slope
FET Break Before Make Delay
High Side FET Minimum On Time
Maximum Duty Cycle
V
5V
IN
390pF
2.2nF
0.1µF
C5
C4
C2
4
DESCRIPTION
330µF
22:
R4
C3
0.22µF
(Continued)
10
11
12
13
14
1
2
3
4
5
6
7
8
9
VREF
SGND
COSC
VDD
VTJ
PGND
PGND
PGND
PGND
VIN
VIN
NC
STP
STN
V
S
(28-PIN HTSSOP)
= V
EL7564
TOP VIEW
IN
EL7654
PGND
PGND
VDRV
= 5V, T
VHI
EN
PG
NC
FB
LX
LX
LX
LX
LX
LX
28
27
26
25
24
23
22
21
20
19
18
17
16
15
CONDITIONS
A
= T
J
= 25°C, C
4.7µH
C6
0.22µF
L1
OSC
C7
330µF
D1
= 1.2nF, Unless Otherwise Specified.
2.37k:
R2
R1
1k:
MIN
105
3.3V, 4A
V
OUT
C10
100pF
TYP
117
150
0.5
25
15
95
MAX
130
May 9, 2005
UNIT
V/ms
FN7297.3
kHz
ns
ns
ns
%