参数资料
型号: MAX1545ETL+
厂商: Maxim Integrated Products
文件页数: 9/43页
文件大小: 0K
描述: IC QUICK-PWM DUAL-PHASE 40-TQFN
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 50
系列: Quick-PWM™
应用: 控制器,Intel Pentium? IV
输入电压: 2 V ~ 28 V
输出数: 1
输出电压: 0.6 V ~ 1.85 V
工作温度: -40°C ~ 100°C
安装类型: 表面贴装
封装/外壳: 40-WFQFN 裸露焊盘
供应商设备封装: 40-TQFN-EP(6x6)
包装: 管件
Dual-Phase, Quick-PWM Controllers for
Programmable CPU Core Power Supplies
Typical Operating Characteristics
(Circuit of Figure 1, V IN = 12V, V CC = V DD = 5V, SHDN = SKIP = V CC , D0–D4 set for 1.5V (SUS = GND), S0–S1 set
for 1V (SUS = V CC ), OFS = GND, T A = +25°C, unless otherwise specified.)
1.52
1.50
OUTPUT VOLTAGE vs. LOAD CURRENT
(V OUT = 1.50V)
100
90
EFFICIENCY vs. LOAD CURRENT
(V OUT = 1.50V)
V IN = 8V
1.02
1.00
OUTPUT VOLTAGE vs. LOAD CURRENT
(V OUT = 1.00V)
1.48
1.46
80
0.98
1.44
1.42
1.40
1.38
70
60
50
V IN = 12V
V IN = 20V
SKIP = REF
SKIP = V CC
0.96
0.94
0.92
0.90
0
10
20
30
40
50
60
0.1
1
10
100
0
10
20
30
40
50
60
LOAD CURRENT (A)
EFFICIENCY vs. LOAD CURRENT
(V OUT = 1.00V)
LOAD CURRENT (A)
OUTPUT VOLTAGE vs. LOAD CURRENT
(V OUT = 0.80V)
LOAD CURRENT (A)
DUAL-PHASE EFFICIENCY vs. LOAD CURRENT
(V OUT = 0.80V)
100
90
V IN = 8V
0.82
0.80
SUS = V CC
100
90
SKIP = REF
V IN = 8V
80
0.78
80
70
60
V IN = 12V
V IN = 20V
0.76
0.74
70
60
V IN = 20V
V IN = 12V
SKIP = REF
50
SKIP = V CC
0.72
50
0.1
1
10
100
0
10
20
30
40
0.1
1
10
100
LOAD CURRENT (A)
SINGLE-PHASE EFFICIENCY
vs. LOAD CURRENT
(V OUT = 0.80V)
LOAD CURRENT (A)
SWITCHING FREQUENCY
vs. LOAD CURRENT
LOAD CURRENT (A)
NO-LOAD SUPPLY CURRENT
vs. INPUT VOLTAGE (FORCED-PWM MODE)
100
90
SKIP = GND
V IN = 8V
400
150
120
SKIP = V CC
300
I CC + I DD
80
200
FORCED-PWM (SKIP = V CC )
90
70
60
V IN = 20V
V IN = 12V
100
SKIP MODE (SKIP = REF)
60
30
I IN
50
0
V OUT = 1V (NO LOAD)
0
0.1
1
10
100
0
10
20
30
40
0
5
10
15
20
25
30
LOAD CURRENT (A)
LOAD CURRENT (A)
INPUT VOLTAGE (V)
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9
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