参数资料
型号: MAX8717ETI+
厂商: Maxim Integrated Products
文件页数: 7/30页
文件大小: 0K
描述: IC CNTRLR PWR SUP 28-TQFN
标准包装: 60
应用: 控制器,笔记本电脑电源系统
输入电压: 4 V ~ 26 V
输出数: 2
输出电压: 3.3V,5V,1 V ~ 5.5 V
工作温度: 0°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 28-WFQFN 裸露焊盘
供应商设备封装: 28-TQFN-EP(5x5)
包装: 管件
Interleaved High-Efficiency, Dual Power-Supply
Controllers for Notebook Computers
Typical Operating Characteristics
(Circuit of Figure 1, MAX8717, V IN = 12V, V DD = V CC = 5V, SKIP_ = GND, FSEL = REF, T A = +25°C, unless otherwise noted.)
100
SKIP
3.3V OUTPUT EFFICIENCY
vs. LOAD CURRENT
100
3.3V OUTPUT EFFICIENCY
vs. LOAD CURRENT
100
3.3V OUTPUT EFFICIENCY
vs. LOAD CURRENT
90
MODE
90
SKIP
MODE
90
SKIP
MODE
80
80
80
70
60
LOW-
NOISE
MODE
PWM
MODE
70
60
LOW-
NOISE
MODE
PWM
MODE
70
60
LOW-
NOISE
MODE
PWM
MODE
50
V IN = 6V
50
V IN = 12V
50
V IN = 20V
0.001
0.01
0.1
1
10
0.001
0.01
0.1
1
10
0.001
0.01
0.1
1
10
LOAD CURRENT (A)
3.3V OUTPUT VOLTAGE
vs. LOAD CURRENT
LOAD CURRENT (A)
5V OUTPUT EFFICIENCY
vs. LOAD CURRENT
LOAD CURRENT (A)
5V OUTPUT EFFICIENCY
vs. LOAD CURRENT
3.40
100
LOW-
100
LOW-
90
NOISE
MODE
90
SKIP
MODE
3.35
NOISE
MODE
80
80
SKIP
MODE
70
SKIP
MODE
PWM
MODE
70
LOW-
NOISE
MODE
PWM
MODE
3.30
PWM
60
60
3.25
MODE
V IN = 12V
50
V IN = 6V
50
V IN = 12V
0
1
2
3
4
5
0.001
0.01
0.1
1
10
0.001
0.01
0.1
1
10
100
LOAD CURRENT (A)
5V OUTPUT EFFICIENCY
vs. LOAD CURRENT
5.15
LOAD CURRENT (A)
5V OUTPUT VOLTAGE
vs. LOAD CURRENT
100
LOAD CURRENT (A)
2.5V OUTPUT EFFICIENCY
vs. LOAD CURRENT
V IN = 12V
L = 4.3 μ H
90
80
SKIP
MODE
5.10
LOW-
NOISE
MODE
90
80
SKIP
MODE
5.05
SKIP
70
LOW-
PWM
MODE
MODE
70
PWM
MODE
60
50
NOISE
MODE
V IN = 20V
5.00
4.95
PWM
MODE
V IN = 12V
60
50
LOW-NOISE
MODE
0.001
0.01
0.1
1
10
0
1
2
3
4
5
0.001
0.01
0.1
1
10
LOAD CURRENT (A)
LOAD CURRENT (A)
LOAD CURRENT (A)
_______________________________________________________________________________________
7
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