参数资料
型号: MAX5069EVKIT
厂商: Maxim Integrated Products
文件页数: 7/19页
文件大小: 0K
描述: EVAL KIT FOR MAX5069
标准包装: 1
主要目的: DC/DC,步降
输出及类型: 1,隔离
输出电压: 12V
电流 - 输出: 10A
输入电压: 36 ~ 72V
稳压器拓扑结构: 降压
频率 - 开关: 500kHz
板类型: 完全填充
已供物品:
已用 IC / 零件: MAX5069
High-Frequency, Current-Mode PWM Controller
with Accurate Oscillator and Dual FET Drivers
Typical Operating Characteristics (continued)
(V IN = +23.6V for MAX5069A/B at startup, then reduces to +12V, V IN = +12V for the MAX5069C/D, C IN = C REG5 = 0.1μF, C VCC = 1μF,
R RT = 100k ? , NDRV_ = floating, V FB = 0V, V COMP = floating, V CS = 0V, T A = +25°C, unless otherwise noted.)
NDRVA SWITCHING FREQUENCY (f SW)
FLTINT CURRENT vs. TEMPERATURE
HYST R ON vs. TEMPERATURE
vs. R RT
63.0
62.9
62.8
62.7
62.6
62.5
62.4
62.3
62.2
62.1
62.0
13.0
12.5
12.0
11.5
11.0
10.5
10.0
9.5
9.0
8.5
8.0
V IN = 24V
SINKING 50mA
2
1
0.1
0.01
-40
-15
10
35
60
85
110
-40
-15
10
35
60
85
110
0.03
0.1
1
2
TEMPERATURE ( ° C)
NDRV SWITCHING FREQUENCY
vs. TEMPERATURE
TEMPERATURE ( ° C)
NDRV SWITCHING FREQUENCY
vs. TEMPERATURE
R RT (M ? )
NDRV SWITCHING FREQUENCY
vs. TEMPERATURE
52.0
51.6
f SW = 50kHz
505
504
f SW = 500kHz
1.40
f SW = 1.25MHz
51.2
50.8
50.4
50.0
49.6
49.2
48.8
48.4
48.0
503
502
501
500
499
498
497
496
495
1.35
1.30
1.25
1.20
1.15
1.10
-40
-15
10
35
60
85
110
-50
-25
0
25
50
75
100
125
-40
-15
10
35
60
85
110
TEMPERATURE ( ° C)
DEAD TIME vs. TEMPERATURE
TEMPERATURE ( ° C)
TEMPERATURE ( ° C)
DEAD TIME vs. R DT
70
65
60
55
50
45
40
V IN = 24V
R DT = 24.9k ?
R RT = 100k ?
200
180
160
140
120
100
80
60
40
20
0
-40
-15
10
35
60
85
110
1
10
100
TEMPERATURE ( ° C)
R DT (k ? )
_______________________________________________________________________________________
7
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