参数资料
型号: EL7563CMZ
厂商: Intersil
文件页数: 6/16页
文件大小: 0K
描述: IC REG BUCK SYNC ADJ 4A 20SOIC
标准包装: 38
类型: 降压(降压)
输出类型: 可调式
输出数: 1
输出电压: 1 V ~ 2.5 V
输入电压: 3 V ~ 3.6 V
PWM 型: 电流模式
频率 - 开关: 1MHz
电流 - 输出: 4A
同步整流器:
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 20-SOIC(0.295",7.50mm 宽)
包装: 管件
供应商设备封装: 20-SO
EL7563
Typical Performance Curves (20 Pin SO Package) (Continued)
NOTE: The 28-Pin HTSSOP Package Offers Improved Performance
V IN =3.3V
1.8
1.6
1.6
V O =1.8V
1.4
1.4
1.2
1
0.8
0.6
0.4
0.2
V O =1.2V
V O =2.5V
V O =1V
1.2
1
0.8
0.6
0.4
0.2
V O =2.5V
V O =1.2V
0
0
0.5
1
1.5
2
2.5
3
3.5
4
0
0
1
2
3
4
OUTPUT CURRENT I O (A)
FIGURE 3. EL7563CM CONVERTER POWER LOSS vs I O
I O (A)
FIGURE 4. EL7563CRE TOTAL CONVERTER POWER LOSS
2.505
2.5
2.495
V O =2.5V
V IN =3.6V
0.6
0.4
0.2
V O =2.5V
V IN =3.3V
2.49
V IN =3.3V
0
V IN =3.6V
2.485
2.48
V IN =3V
-0.2
2.475
2.47
-0.4
-0.6
V IN =3V
2.465
0.5
1
1.5
2
2.5
3
3.5
4
-0.8
0
0.5
1
1.5
2
2.5
3
3.5
4
LOAD CURRENT I O (A)
FIGURE 5. EL7563CM LOAD REGULATION
TEST CONDITION:
I O (A)
FIGURE 6. EL7563CRE LOAD REGULATION
CONDITION:
EL7563CRE THERMAL PAD SOLDERED TO 2-LAYER
PCB WITH 0.039” THICKNESS AND 1 OZ. COPPER ON
50
46
42
38
CHIP IN THE CENTER OF COPPER AREA
WITH NO AIRFLOW
50
45
40
35
BOTH SIDES
WITH 100 LFPM AIRFLOW
34
30
30
1
1.5
2
1 OZ. COPPER PCB USED
2.5 3 3.5
4
25
0
1.5
2
2.5
3
3.5
4
PCB COPPER HEAT-SINKING AREA (in 2 )
FIGURE 7. EL7563CM θ JA vs COPPER AREA
6
PCB AREA (in 2 )
FIGURE 8. EL7563CRE THERMAL RESISTANCE vs PCB
AREA - NO AIR FLOW
FN7296.2
May 13, 2005
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