参数资料
型号: ISL8033IRZ
厂商: Intersil
文件页数: 9/18页
文件大小: 0K
描述: IC REG BUCK SYNC ADJ 3A DL 24QFN
标准包装: 75
类型: 降压(降压)
输出类型: 可调式
输出数: 2
输出电压: 0.8 V ~ 6 V
输入电压: 2.85 V ~ 6 V
PWM 型: 电流模式
频率 - 开关: 1.1MHz
电流 - 输出: 3A
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: 24-VFQFN 裸露焊盘
包装: 管件
供应商设备封装: 24-QFN(4x4)
ISL8033, ISL8033A
Typical Operating Performance ISL8033
Unless otherwise noted, operating conditions are: T A = +25°C, V IN = 5V, EN = V IN , L1 = L2 = 1.5 μ H, C1 = C2 = C4 = 2x22μF, V OUT1 = 1.2V, V OUT2 = 1.8V,
I OUT1 = I OUT2 = 0A to 3A. (Continued)
2.490
3.270
2.485
5V IN
3.265
2.480
2.475
3.260
3.255
5V IN
2.470
2.465
3.3V IN
3.250
3.245
2.460
0.0
0.5
1.0
1.5
2.0
2.5
3.0
3.240
0.0
0.5
1.0
1.5
2.0
2.5
3.0
I OUT (A)
FIGURE 9. LOAD REGULATION, V OUT = 2.5V T A = +25°C
LX1 2V/DIV
V OUT1 RIPPLE 20mV/DIV
IL1 0.5A/DIV
FIGURE 11. STEADY STATE OPERATION AT NO LOAD CHANNEL 1
(PWM)
LX1 2V/DIV
V OUT1 RIPPLE 20mV/DIV
IL1 2A/DIV
FIGURE 13. STEADY STATE OPERATION WITH FULL LOAD
CHANNEL 1
9
I OUT (A)
FIGURE 10. LOAD REGULATION, V OUT = 3.3V T A = +25°C
LX2 2V/DIV
.
V OUT2 RIPPLE 20mV/DIV
IL2 0.5A/DIV
FIGURE 12. STEADY STATE OPERATION AT NO LOAD CHANNEL 2
(PWM)
LX1 2V/Div
LX2 2V/DIV
VOUT1 RIPPLE 20mV/Div
V OUT2 RIPPLE 20mV/DIV
2A/DIV IL2
IL1 2A/Div
FIGURE 14. STEADY STATE OPERATION WITH FULL LOAD
CHANNEL 2
FN6854.2
March 24, 2011
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