参数资料
型号: MAX15026CATD+T
厂商: Maxim Integrated Products
文件页数: 6/23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 (continued)
(V IN = 12V, T A = +25°C. The following TOCs are for MAX15026B/C/D, unless otherwise noted.) (See the circuit of Figure 5.)
LIM REFERENCE CURRENT
SINK AND SOURCE CURRENT-LIMIT
70
vs. TEMPERATURE
0.2
THRESHOLDS vs. RESISTANCE (R ILIM )
LOAD TRANSIENT ON OUT
MAX15026 toc12
60
50
0.1
0
SINK CURRENT-LIMIT
V OUT
200mV/div
AC-COUPLED
40
30
-0.1
SOURCE CURRENT-LIMIT
20
10
0
-0.2
-0.3
-0.4
I OUT
10A
1A
-40
-15
10 35
TEMPERATURE ( ° C)
60
85
0
10
20
30 40
RESISTANCE (k ? )
50
60
70
400 μ s/div
STARTUP AND DISABLE FROM EN
STARTUP RISE TIME
(R LOAD = 1.5 ? )
MAX15026 toc13
(MAX15026B)
MAX15026 toc14
POWER-DOWN FALL TIME
MAX15026 toc15
V OUT
1V/div
PGOOD
5V/div
V IN
5V/div
V OUT
V IN
5V/div
4ms/div
STARTUP RISE TIME
V IN
5V/div
1ms/div
SOFT-START WITH 0.5V
1V/div
V OUT
1V/div
4ms/div
OUTPUT SHORT-CIRCUIT BEHAVIOR MONITOR
(MAX15026C/D)
MAX15026 toc16
V IN
5V/div
PREBIAS AT NO LOAD (MAX15026C/D)
MAX15026 toc17
V IN
5V/div
V OUT
OUTPUT VOLTAGE AND CURRENT
MAX15026 toc18
500mV/div
0
0V OUTPUT
V OUT
1V/div
0.5V OUTPUT PREBIAS
V OUT
1V/div
I OUT
20A/div
0
6
1ms/div
1ms/div
4ms/div
Maxim Integrated
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