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参数资料
| 型号： | MAX1545ETL+T |
| 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： | 2,500 |
| 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： | 带卷 (TR) |
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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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