EL7563CM Intersil, EL7563CM Datasheet - Page 13

• Manufacturer Part Number: EL7563CM
• Description: DC/DC Converter IC
• Manufacturer: Intersil

Specifications of EL7563CM

• Input Voltage: 3.6V
• No. Of Pins: 20
• Operating Temperature Range: -40°C To +85°C
• Termination Type: SMD
• Mounting Type: Surface Mount
• Voltage Regulator Type: Buck Switching
• Supply Voltage Min: 3V
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

The second way of offset tracking is to use the EN and
Power Good pins, as shown in Figure 25. In this
configuration, V
P
does not have to be larger than V
10
10
1
2
3
5
6
7
8
9
1
2
3
5
6
7
8
9
13
EL7563
EL7563
V
IN
PG
PG
EN
EN
20
19
18
16
15
14
13
12
11
20
19
18
16
15
14
13
12
11
R
C
FIGURE 26. EXTERNAL SOFT START
FIGURE 25. OFFSET TRACKING
C
10
1
2
6
7
8
9
.
STP
STN
EL7563
EL7563
+
-
V
V
C
P
20
19
15
14
13
12
11
3. External Soft Start
An external soft start can be combined with auxiliary supply
tracking to provide desired soft start other than internally
preset soft start (Figure 26). The appropriate start-up time is:
t
s
=
R
u
C
u
---------
V
V
IN
O
V
OUT
TIME
V
V
P
C
May 13, 2005
FN7296.2