参数资料
型号: ISL8088IRZ-T
厂商: Intersil
文件页数: 12/18页
文件大小: 0K
描述: IC REG BUCK SYNC ADJ 0.8A 10DFN
标准包装: 6,000
类型: 降压(降压)
输出类型: 可调式
输出数: 2
输出电压: 0.6 V ~ 5.5 V
输入电压: 2.75 V ~ 5.5 V
PWM 型: 电流模式
频率 - 开关: 2.25MHz
电流 - 输出: 800mA
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-VFDFN 裸露焊盘
包装: 带卷 (TR)
供应商设备封装: 10-DFN(3x3)
ISL8088
Typical Operating Performance Unless otherwise noted, operating conditions are: TA = +25°C, VIN = 2.75V to 5.5V,
EN = V IN , L 1 = L 2 = 2.2μH, C 1 = 10μF, C 2 = C 4 = 10μF, V OUT1 = 2.5V, V OUT2 = 1.8V, I OUT1 = I OUT2 = 0A to 800mA. (Continued)
P HASE1      5V/DI         V
LX1 5V/DIV
I L1 0.5A/DIV
V O UT1 1V/DIV
V OUT1 1V/DIV
I L1 0.5A/DIV
PG 5V/DIV
10μs/DIV
500μs/DIV
PG 5V/DIV
FIGURE 38. OUTPUT SHORT CIRCUIT CHANNEL 1
FIGURE 39. OUTPUT SHORT CIRCUIT RECOVERY CHANNEL 1
10μs/DIV
P HASE2      5V/DI          V
500μs/DIV
LX2 5V/DIV
V OUT2 0.5V/DIV
I L2 0.5A/DIV
I L2 0.5A/DIV
V O UT2 1V/DIV
P G 5V/DI V
FIGURE 40. OUTPUT SHORT CIRCUIT CHANNEL 2
P G 5V/DI V
FIGURE 41. OUTPUT SHORT CIRCUIT RECOVERY CHANNEL 2
2.4
2.0
1.6
1.2
0.8
0.4
V IN 6V I OUT1 OC
V IN 3.5V I OUT2 OC
V IN 6V I OUT2 OC
V IN 3.5V I OUT1 OC
0
-50
-30
-10
10
20
50
70
90
110
TEMPERATURE (°C)
FIGURE 42. OUTPUT CURRENT LIMIT vs TEMPERATURE
12
FN6858.2
May 26, 2011
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