EL7564CM Intersil, EL7564CM Datasheet - Page 12

• Manufacturer Part Number: EL7564CM
• Description: IC REG 4A DC-DC STEP DN 20-SOIC
• Manufacturer: Intersil
• Type: Step-Down (Buck)r

Specifications of EL7564CM

• Internal Switch(s): Yes
• Synchronous Rectifier: Yes
• Number Of Outputs: 1
• Voltage - Output: 1 ~ 3.8 V
• Current - Output: 4A
• Frequency - Switching: 1MHz
• Voltage - Input: 4.5 ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 20-SOIC (7.5mm Width)
• Power - Output: 13W
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

Power Tracking
The power tracking pins STP and STN are the inputs to a
comparator, whose HI output forces the PWM controller to
skip switching cycles.
10
10
1
2
6
7
8
9
1
2
6
7
8
9
12
EL7564
EL7564
+
+
-
-
20
19
15
14
13
12
11
20
19
15
14
13
12
11
FIGURE 24. LINEAR POWER TRACKING
EL7564
V
V
C
P
1. Linear Tracking
In this application, it is always the case that the lower voltage
supply V
Figure 22 below.
V
OUT
C
tracks the higher output supply V
TIME
V
V
P
C
P
. Please see
May 9, 2005
FN7297.3