参数资料
型号: MAX15026CATD+T
厂商: Maxim Integrated Products
文件页数: 5/23页
文件大小: 0K
描述: IC REG CTRLR BUCK PWM VM 14TDFN
产品培训模块: Obsolescence Mitigation Program
标准包装: 2,500
PWM 型: 电压模式
输出数: 1
频率 - 最大: 2.4MHz
占空比: 88%
电源电压: 4.5 V ~ 28 V
降压:
升压:
回扫:
反相:
倍增器:
除法器:
Cuk:
隔离:
工作温度: -40°C ~ 125°C
封装/外壳: 14-WFDFN 裸露焊盘
包装: 带卷 (TR)
MAX15026
Low-Cost, Small, 4.5V to 28V Wide Operating
Range, DC-DC Synchronous Buck Controller
Typical Operating Characteristics
(V IN = 12V, T A = +25°C. The following TOCs are for MAX15026B/C/D, unless otherwise noted.) (See the circuit of Figure 5.)
EFFICIENCY vs. LOAD CURRENT
EFFICIENCY vs. LOAD CURRENT
100
90
80
(MAX15026B/C)
100
90
80
(V IN = 12V, V CC = V DRV = 5V)
0
-0.1
-0.2
V OUT vs. LOAD CURRENT
70
60
50
40
30
V OUT = 3.3V
V OUT = 1.2V
V OUT = 5V
V OUT = 1.8V
70
60
50
40
30
V OUT = 5V
V OUT = 3.3V
V OUT = 1.8V
V OUT = 1.2V
-0.3
-0.4
-0.5
-0.6
-0.7
20
10
0
20
10
0
-0.8
-0.9
-1.0
0
2
4
6
8
10
12
0
2
4
6
8
10
12
0
2
4
6
8
10
12
LOAD CURRENT (A)
V CC vs. LOAD CURRENT
LOAD CURRENT (A)
V CC LINE REGULATION
LOAD CURRENT (A)
V CC vs. TEMPERATURE
5.265
5.260
5.255
5.250
5.245
5.240
5.235
5.230
5.225
5.3
5.2
5.1
5.0
4.9
4.8
4.7
4.6
4.5
4.4
4.3
5mA
50mA
5.248
5.246
5.244
5.242
5.240
5.238
5.236
0
20
40
60
80
100
0
5
10
15
20
25
30
-40
-15
10
35
60
85
2500
LOAD CURRENT (mA)
SWITCHING FREQUENCY
vs. RESISTANCE
2500
V IN (V)
SWITCHING FREQUENCY
vs. TEMPERATURE
90
80
TEMPERATURE ( ° C)
SUPPLY CURRENT
vs. SWITCHING FREQUENCY
2000
1500
1000
2000
1500
1000
R RT = 7.2k ?
R RT = 15.7k ?
R RT = 27k ?
R RT = 85k ?
70
60
50
40
30
500
0
500
0
20
10
0
0
20
40
60
80
100
-40
-15
10
35
60
85
100
1000
10,000
Maxim Integrated
RESISTANCE (k ? )
TEMPERATURE ( ° C)
SWITCHING FREQUENCY (kHz)
5
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