EL7564CREZ Intersil, EL7564CREZ Datasheet - Page 13

• Manufacturer Part Number: EL7564CREZ
• Description: IC REG DC/DC STEP-DN 4A 28HTSSOP
• Manufacturer: Intersil
• Type: Step-Down (Buck)r

Specifications of EL7564CREZ

• 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: 28-TSSOP Exposed Pad, 28-eTSSOP, 28-HTSSOP
• Power - Output: 13W
• Primary Input Voltage: 5V
• No. Of Outputs: 1
• Output Voltage: 3.8V
• Output Current: 4A
• No. Of Pins: 28
• Operating Temperature Range: -40°C To +85°C
• Current Rating: 4A
• Filter Terminals: SMD
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

2. Offset Tracking
The intended start-up sequence is shown in Figure 23a. In
this configuration, V
value of:
--------------------- -
R
A
R
+
B
R
B
×
V
IN
V
R
R
C
IN
A
B
will not start until V
13
10
10
1
2
6
7
8
9
1
2
6
7
8
9
STP
STN
STP
STN
EL7564
EL7564
+
+
-
-
P
reaches a preset
FIGURE 25. OFFSET POWER TRACKING
20
19
15
14
13
12
11
20
19
15
14
13
12
11
EL7564
V
V
C
P
V
OUT
TIME
V
V
P
C
May 9, 2005
FN7297.3