EL7564CREZ-T13 Intersil, EL7564CREZ-T13 Datasheet - Page 6

• Manufacturer Part Number: EL7564CREZ-T13
• Description: IC REG DC/DC STEP-DN 4A 28HTSSOP
• Manufacturer: Intersil
• Type: Step-Down (Buck)r

Specifications of EL7564CREZ-T13

• 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
• Lead Free Status / RoHS Status: Lead free / RoHS 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