参数资料
型号: ISL8024IRTAJZ-T7A
厂商: Intersil
文件页数: 8/20页
文件大小: 0K
描述: IC REG BUCK SYNC ADJ 4A 16TQFN
标准包装: 1
类型: 降压(降压)
输出类型: 可调式
输出数: 1
输出电压: 0.6 V ~ 5.5 V
输入电压: 2.7 V ~ 5.5 V
PWM 型: 电流模式
频率 - 开关: 490kHz ~ 4.2MHz
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: 16-WFQFN 裸露焊盘
包装: 标准包装
供应商设备封装: 16-TQFN(3x3)
其它名称: ISL8024IRTAJZ-T7ADKR
ISL8023, ISL8024
Typical Operating Performance
SYNC = VIN, L = 1.0μH, C1 = 22μF, C2 = 2 x 22μF, I OUT = 0A to 4A .
100
90
Unless otherwise noted, operating conditions are: T A = +25°C, V VIN = 5V, EN = VIN,
100
90
80
1.2V OUT
1.5V OUT
1.8V OUT
2.5V OUT
80
1.2V OUT
1.5V OUT
1.8V OUT
2.5V OUT
70
60
50
70
60
50
40
0.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
40
0.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
I OUT (A)
FIGURE 4. EFFICIENCY vs LOAD (1MHz 3.3 V IN PWM)
100
90
I OUT (A)
FIGURE 5. EFFICIENCY vs LOAD (1MHz 3.3 V IN PFM)
100
90
80
70
1.2V OUT
3.3V OUT
1.5V OUT
1.8V OUT
2.5V OUT
80 1.2V OUT
70
1.5V OUT
1.8V OUT
2.5V OUT
3.3V OUT
60
50
60
50
40
0.0
0.5
1.0
1.5
2.0
I OUT (A)
2.5
3.0
3.5
4.0
40
0.0
0.5
1.0
1.5
2.0
I OUT (A)
2.5
3.0
3.5
4.0
FIGURE 6. EFFICIENCY vs LOAD (1MHz 5V IN PWM)
1.08
0.90
0.72
1.244
1.238
1.232
FIGURE 7. EFFICIENCY vs LOAD (1MHz 5V IN PFM)
0.54
0.36
0.18
3.3V IN PWM MODE
5V IN PWM MODE
1.226
1.220
1.214
3.3V IN PFM MODE
5V IN PFM MODE
0
0.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
3.3V IN PWM MODE
1.208
0.0 0.5 1.0 1.5 2.0
5V IN PWM MODE
2.5 3.0 3.5
4.0
I OUT (A)
FIGURE 8. POWER DISSIPATION vs LOAD (1MHz, V OUT = 1.8V)
I OUT (A)
FIGURE 9. V OUT REGULATION vs LOAD (1MHz, V OUT = 1.2V)
8
FN7812.3
March 24, 2014
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