参数资料
型号: EL7531IYZ
厂商: Intersil
文件页数: 5/11页
文件大小: 0K
描述: IC REG BUCK SYNC ADJ 1A 10MSOP
标准包装: 50
类型: 降压(降压)
输出类型: 可调式
输出数: 1
输出电压: 0.8 V ~ 5.5 V
输入电压: 2.5 V ~ 5.5 V
PWM 型: 电压模式
频率 - 开关: 1.4MHz
电流 - 输出: 1A
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: 10-TFSOP,10-MSOP(0.118",3.00mm 宽)
包装: 管件
供应商设备封装: 10-MSOP
产品目录页面: 1242 (CN2011-ZH PDF)
EL7531
Performance Curves and Waveforms
(Continued)
All waveforms are taken at V IN = 3.3V, V O = 1.8V, I O = 1A with component values shown on page 1 at room ambient temperature, unless otherwise
noted.
0.1%
12
0.0%
-0.1%
-0.2%
-0.3%
-0.4%
V IN = 3.3V I O = 0A
V IN = 3.3V I O = 1A
V IN = 5V I O = 0A
10
8
6
4
-0.5%
-0.6%
V IN = 5V I O = 1A
2
-0.7%
-50
0
50
100
150
0
2.5
3
3.5
4
4.5
5
T J (°C)
FIGURE 7. PWM MODE LOAD/LINE REGULATIONS vs
JUNCTION TEMPERATURE
V S (V)
FIGURE 8. NO LOAD QUIESCENT CURRENT (PWM MODE)
140
130
V O = 1.8V
V O = 3.3V
100
1.4MHz
120
80
110
100
90
80
V O = 1.5V
V O = 1.2V V O = 1.0V
V O = 0.8V
60
40
5MHz
12MHz
70
60
20
50
2.0
2.5
3.0
3.5
4.0
4.5
5.0
5.5
6.0
0
0
200
400
600
800
1K
1.2K
V S (V)
FIGURE 9. NO LOAD QUIESCENT CURRENT (PFM MODE)
1
12MHz
0.6
I O (mA)
FIGURE 10. EFFICIENCY vs I O (PWM MODE)
0.5
0.3
0.2
1.4MHz
0.1
12MHz
0
5MHz
-0.1
1.4MHz
-0.2
-0.3
5MHz
-0.6
0
200
400
600
800
1K
1.2K
-0.5
2.5
3
3.5
4
4.5
5
5.5
I O (mA)
FIGURE 11. LOAD REGULATION (PWM MODE)
5
V IN (V)
FIGURE 12. LINE REGULATION @ 500mA (PWM MODE)
FN7428.9
July 13, 2006
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