参数资料
型号: ISL8540IVEZ-T
厂商: Intersil
文件页数: 8/16页
文件大小: 0K
描述: IC REG BUCK SYNC ADJ 2A 20HTSSOP
标准包装: 2,500
类型: 降压(降压)
输出类型: 可调式
输出数: 1
输出电压: 1.21 V ~ 35 V
输入电压: 9 V ~ 40 V
PWM 型: 电压模式
频率 - 开关: 100kHz ~ 600kHz
电流 - 输出: 2A
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-TSSOP(0.173",4.40mm 宽)裸露焊盘
包装: 带卷 (TR)
供应商设备封装: 20-TSSOP-EP
ISL8540
Typical Performance Curves
24.4
Circuit of Figure 2, V IN = 24V, EN = 0V, FS = 500KHz, V OUT = 5V, unless otherwise noted.
Typical values are at T A = +25°C. (Continued)
3.4
24.3
36V V IN
3.4
24.2
24.1
3.3
3.3
2A LOAD
NO LOAD
1A LOAD
24.0
23.9
3.3
3.2
23.8
0.0
0.5
1.0
1.5
2.0
3.2
5
10
15
20
25
30
35
40
OUTPUT LOAD (A)
FIGURE 10. V OUT REGULATION vs LOAD
(V OUT = 24V - 500kHz)
5.10
5.05
INPUT VOLTAGE (V)
FIGURE 11. OUTPUT VOLTAGE REGULATION vs V IN PWM
MODE
12.3
12.2
5.00
I OUT = 0A
I OUT = 1A
12.1
I OUT = 0A
I OUT = 1A
4.95
12.0
4.90
4.85
I OUT = 2A
11.9
11.8
I OUT = 2A
4.80
5
10
15
20
25
30
35
40
11.7
5
10
15
20
25
30
35
40
INPUT VOLTAGE (V)
FIGURE 12. OUTPUT VOLTAGE REGULATION vs V IN
(V OUT = 5V - 500kHz)
24.75
24.50
INPUT VOLTAGE (V)
FIGURE 13. OUTPUT VOLTAGE REGULATION vs V IN
(V OUT = 5V - 500kHz)
3.0
2.5
24.25
I OUT = 0A
I OUT = 1A
2.0
36V V IN
24.00
23.75
23.50
1.5
1.0
0.5
24V V IN
23.25
5
10
15
I OUT = 2A
20 25
30
35
40
0.0
0.0
0.5
12V V IN
1.0
1.5
2.0
INPUT VOLTAGE (V)
FIGURE 14. OUTPUT VOLTAGE REGULATION vs V IN
(V OUT = 5V - 500kHz)
8
OUTPUT LOAD (A)
FIGURE 15. POWER DISSIPATION vs LOAD
(V OUT = 3.3V - 500kHz)
FN6495.5
September 9, 2008
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