参数资料
型号: MAX1937EEI+T
厂商: Maxim Integrated Products
文件页数: 10/24页
文件大小: 0K
描述: IC REG CTRLR PWM HYBRID 28-QSOP
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 2,500
PWM 型: 混合物
输出数: 1
频率 - 最大: 500kHz
占空比: 50%
电源电压: 6 V ~ 24 V
降压:
升压:
回扫:
反相:
倍增器:
除法器:
Cuk:
隔离:
工作温度: 0°C ~ 85°C
封装/外壳: 28-QSOP
包装: 带卷 (TR)
Two-Phase Desktop CPU Core Supply
Controllers with Controlled VID Change
Typical Operating Characteristics (continued)
(V IN = 12V, V OUT = 1.45V, T A = +25°C, unless otherwise noted.)
VID CODE CHANGE ON-THE-FLY WITH 40A
LOAD 1.2V TO 1.45V TO 1.2V
MAX1937 toc20
POK SIGNAL
OUTPUT VOLTAGE:
200mV/div
VID CODE CHANGE ON-THE-FLY WITH 1A
LOAD 1.2V TO 1.45V TO 1.2V
MAX1937 toc21
POK SIGNAL
OUTPUT VOLTAGE:
200mV/div
VID CODE CHANGE
CONTROL SIGNAL
VID CONTROL
SIGNAL
2.000
40 μ s/div
REFERENCE VOLTAGE vs. TEMPERATURE
0.810
40 μ s/div
FB VOLTAGE vs. TEMPERATURE
1.998
0.805
1.996
1.994
0.800
V OUT = 0.8V
1.992
1.990
V IN = 12V
V OUT = 1.45V
NO LOAD
0.795
0.790
V IN = 12V
NO LOAD
-40
-20
0
20
40
60
80
100
-40
-15
10
35
60
85
TEMPERATURE ( ° C)
1.465
1.460
FB VOLTAGE vs. TEMPERATURE
TEMPERATURE ( ° C)
1.455
1.450
1.445
V IN = 12V
NO LOAD
V OUT = 1.45V
-40
-20
0
20
40
60
80
100
TEMPERATURE ( ° C)
10
______________________________________________________________________________________
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