参数资料
型号: ISL8013IRZ
厂商: Intersil
文件页数: 9/17页
文件大小: 0K
描述: IC REG BUCK SYNC ADJ 3A 16QFN
产品培训模块: ISL8013/4 Synchronous Buck Regulators
标准包装: 75
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: 2.7 V ~ 5.5 V
PWM 型: 电流模式
频率 - 开关: 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: 16-VQFN 裸露焊盘
包装: 管件
供应商设备封装: 16-QFN(4x4)
产品目录页面: 1248 (CN2011-ZH PDF)
ISL8013
Typical Operating Performance
1.830
1.820
(Unless otherwise noted, operating conditions are: T A = +25°C,
V VIN = 2.5V to 5.5V, EN = V IN , SYNCH = 0V, L = 1.5μH,
C 1 = 2x22μF, C 2 = 2x22μF, I OUT = 0A to 3A) . (Continued)
1.830
1.820
1.810
1.800
3A LOAD PWM
0A LOAD PWM
1.810
1.800
3A LOA D
0A LOA D
1.790
1.780
1.770
1.760
1.790
1.780
1.770
1.760
1.750
2.0
2.5
3.0
3.5
4.0
4.5
5.0
5.5
1.750
2.0
2.5
3.0
3.5
4.0
4.5
5.0
5.5
INPUT VOLTAGE (V)
FIGURE 15. OUTPUT VOLTAGE REGULATION vs V IN
(PWM V OUT = 1.8 )
INPUT VOLTAGE (V)
FIGURE 16. OUTPUT VOLTAGE REGULATION vs V IN
(PFM V OUT = 1.8V)
LX 2V/DIV
LX 2V/DIV
V OUT RIPPLE 20mV/DIV
V OUT RIPPLE 20mV/DIV
IL 0.5A/DIV
IL 0.5A/DIV
FIGURE 17. STEADY STATE OPERATION AT NO LOAD
(PWM)
FIGURE 18. STEADY STATE OPERATION AT NO LOAD
(PFM)
LX 2V/DIV
LX 2V/DIV
IL 1A/DI V
V OUT RIPPLE 50mV/DIV
IL 1A/DI V
V OUT RIPPLE 20mV/DIV
FIGURE 19. STEADY STATE OPERATION WITH FULL
LOAD
9
FIGURE 20. MODE TRANSITION CCM TO DCM
FN6309.3
November 23, 2009
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