EL7563 INTERSIL [Intersil Corporation], EL7563 Datasheet - Page 4

• Manufacturer Part Number: EL7563
• Description: Monolithic 4 Amp DC:DC Step-Down Regulator
• Manufacturer: INTERSIL [Intersil Corporation]

Typical Application Diagrams
Closed-Loop AC Electrical Specifications
F
t
M
t
t
D
PARAMETER
SYNC
BRM
LEB
OSC
MAX
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
DESCRIPTION
3.3V
V
4
IN
22Ω
R4
330µF
0.22µF
C1
C3
(Continued)
390pF
0.1µF
2.2nF
C5
C2
C4
10
12
13
14
11
1
2
3
4
5
6
7
8
9
28-PIN HTSSOP
V
VREF
SGND
COSC
VDD
VTJ
PGND
PGND
PGND
PGND
VIN
VIN
NC
STP
STN
S
= V
EL7563
IN
PGND
PGND
VDRV
= 3.3V, T
VHI
EN
PG
NC
FB
LX
LX
LX
LX
LX
LX
CONDITIONS
28
27
26
25
24
23
22
21
20
19
18
17
16
15
A
= T
4.7µH
0.22µF
J
L1
C6
= 25°C, C
D1
C7
330µF
D2
OSC
D3
2.2nF
C9
0.1µF
C10
= 390pF, unless otherwise specified.
D4
V
R2
1.58kΩ
R1
1kΩ
C8
0.22µF
MIN
310
OUT
2.5V
4A
TYP
365
150
0.5
25
15
95
MAX
420
May 13, 2005
UNIT
V/ms
kHz
FN7296.2
ns
ns
ns
%