EL7564CM Intersil, EL7564CM Datasheet - Page 6

• 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

Typical Performance Curves
FIGURE 3. EL7564CM TOTAL CONVERTER POWER LOSS
3.325
3.315
3.305
3.295
3.285
3.275
1.6
1.2
0.8
0.4
50
46
42
38
34
30
FIGURE 7. EL7564CM θ
2
0
FIGURE 5. EL7564CM LOAD REGULATION
0.5
0
1
TEST CONDITION:
CHIP IN THE CENTER OF COPPER AREA
V
V
IN
O
=5V
=3.3V
0.5
PCB COPPER HEAT-SINKING AREA (in
1
1.5
1
OUTPUT CURRENT I
1.5
LOAD CURRENT I
2
1.5
2
6
JA
2.5
WITH 100 LFPM AIRFLOW
1 OZ. COPPER PCB USED
2
vs COPPER AREA
2.5
2.5
WITH NO AIRFLOW
V
O
O
O
3
V
(A)
=2.8V
(Continued)
O
(A)
3
=3.3V
3
V
V
V
V
IN
IN
O
IN
3.5
=1.8V
=4.5V
=5.5V
=5V
3.5
3.5
2
)
4
4
4
EL7564
FIGURE 4. EL7564CRE TOTAL CONVERTER POWER LOSS
FIGURE 8. EL7564CRE THERMAL RESISTANCE vs PCB
-0.5
-1.5
1.8
1.6
1.4
1.2
0.8
0.6
0.4
0.2
1.5
0.5
50
45
40
35
30
25
-1
1
0
1
0
FIGURE 6. EL7564CRE LOAD REGULATION
0
0
1
V
CONDITION:
EL7564RE THERMAL PAD SOLDERED TO 2-LAYER
PCB WITH 0.039” THICKNESS AND 1 OZ. COPPER
ON BOTH SIDES
O
=3.3V
AREA - NO AIRFLOW
0.5
1.5
1
1
2
1.5
PCB AREA (in
I
I
V
V
O
O
V
2.5
IN
IN
2
2
(A)
IN
(A)
=4.5V
=5.5V
=5V
V
O
2.5
=3.3V
2
)
3
3
3
3.5
V
O
3.5
=1.8V
May 9, 2005
4
4
4
FN7297.3