参数资料
型号: MAX1717BEEG+T
厂商: Maxim Integrated Products
文件页数: 6/33页
文件大小: 0K
描述: IC REG CTRLR BUCK PWM CM 24-QSOP
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 2,500
PWM 型: 电流模式
输出数: 1
频率 - 最大: 1MHz
占空比: 100%
电源电压: 4.5 V ~ 5.5 V
降压:
升压:
回扫:
反相:
倍增器:
除法器:
Cuk:
隔离:
工作温度: -40°C ~ 85°C
封装/外壳: 24-SSOP(0.154",3.90mm 宽)
包装: 带卷 (TR)
Dynamically Adjustable, Synchronous
Step-Down Controller for Notebook CPUs
Typical Operating Characteristics
(Circuit of Figure 1, components of Table 1, V+ = +12V, V DD = V CC = SKP/ SDN = +5V, V OUT = 1.6V, T A = +25°C, unless otherwise noted.)
EFFICIENCY vs. LOAD CURRENT
100
300kHz STANDARD APPLICATION,
CIRCUIT 1
SKIP MODE, V+ = 7V
100
EFFICIENCY vs. LOAD CURRENT
300kHz VOLTAGE POSITIONED, CIRCUIT 2
SKIP MODE, V+ = 7V
100
EFFECTIVE EFFICIENCY vs. LOAD CURRENT
300kHz VOLTAGE POSITIONED, CIRCUIT 2
SKIP MODE, V+ = 7V
90
SKIP MODE, V+ = 12V
90
SKIP MODE, V+ = 12V
90
SKIP MODE, V+ = 12V
SKIP MODE,
SKIP MODE,
SKIP MODE,
80
70
V+ = 20V
PWM MODE,
V+ = 7V
80
70
V+ = 20V
PWM
MODE,
V+ = 7V
80
70
V+ = 20V
PWM MODE,
V+ = 7V
PWM MODE,
PWM MODE, V+ = 12V
V+ = 12V
60
50
PWM MODE, V+ = 20V
60
50
PWM MODE,
V+ = 20V
60
50
PWM MODE, V+ = 12V
PWM MODE, V+ = 20V
0.01
0.1
1
10
0.01
0.1
1
10
0.01
0.1
1
10
100
LOAD CURRENT (A)
EFFICIENCY vs. LOAD CURRENT
550kHz VOLTAGE POSITIONED, CIRCUIT 3
SKIP MODE, V+ = 7V
100
LOAD CURRENT (A)
EFFECTIVE EFFICIENCY vs. LOAD CURRENT
550kHz VOLTAGE POSITIONED, CIRCUIT 3
SKIP MODE, V+ = 7V
100
NONPOSITIONED LOAD CURRENT (A)
EFFICIENCY vs. LOAD CURRENT
1000kHz, +5V, CIRCUIT 4
SKIP MODE
90
SKIP MODE, V+ = 12V
90
SKIP MODE, V+ = 12V
90
PWM MODE,
PWM MODE,
80
V+ = 7V
SKIP MODE,
80
V+ = 7V
SKIP MODE,
80
70
60
50
V+ = 20V
PWM MODE,
V+ = 12V
PWM MODE, V+ = 20V
70
60
50
V+ = 20V
PWM MODE,
V+ = 12V
PWM MODE, V+ = 20V
70
60
50
PWM MODE
0.01
0.1
1
10
0.01
0.1
1
10
0.01
0.1
1
10
LOAD CURRENT (A)
EFFECTIVE EFFICIENCY vs. LOAD CURRENT
1000kHz, +5V, CIRCUIT 4
100
SKIP MODE
100
NONPOSITIONED LOAD CURRENT (A)
EFFICIENCY vs. LOAD CURRENT
1000kHz VOLTAGE POSITIONED,
CIRCUIT 5
SKIP MODE, V+ = 7V
100
LOAD CURRENT (A)
EFFECTIVE EFFICIENCY vs. LOAD CURRENT
1000kHz VOLTAGE POSITIONED,
CIRCUIT 5
SKIP MODE, V+ = 7V
90
90
SKIP MODE, V+ = 12V
90
SKIP MODE, V+ = 12V
PWM MODE,
PWM MODE,
80
80
V+ = 7V
SKIP MODE,
80
V+ = 7V
SKIP MODE,
V+ = 20V
V+ = 20V
70
60
PWM MODE
70
60
PWM MODE,
V+ = 12V
PWM MODE,
V+ = 20V
70
60
PWM MODE,
V+ = 12V
PWM MODE,
V+ = 20V
50
50
50
0.01
0.1
1
10
0.01
0.1
1
10
0.01
0.1
1
10
NONPOSITIONED LOAD CURRENT (A)
LOAD CURRENT (A)
NONPOSITIONED LOAD CURRENT (A)
6
_______________________________________________________________________________________
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