参数资料
型号: MAX5975BETE+T
厂商: Maxim Integrated Products
文件页数: 6/20页
文件大小: 0K
描述: IC REG CTRLR FLYBK ISO CM 16TQFN
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 2,500
PWM 型: 电流模式
输出数: 1
频率 - 最大: 600kHz
占空比: 84%
电源电压: 12 V ~ 24 V
降压:
升压:
回扫:
反相:
倍增器:
除法器:
Cuk:
隔离:
工作温度: -40°C ~ 85°C
封装/外壳: 16-WFQFN 裸露焊盘
包装: 带卷 (TR)
Current-Mode PWM Controllers with Frequency
Dithering for EMI-Sensitive Power Supplies
Typical Operating Characteristics (continued)
(V IN = 12V (for MAX5975A, bring V IN up to 21V for startup), V CS = V CSSC = V DITHER/SYNC = V FB = V FFB = V DCLMP = V GND , V EN =
+2V, NDRV = SS = COMP = unconnected, R RT = 34.8k I , unless otherwise noted.)
10.06
10.05
10.04
10.03
10.02
10.01
10.00
9.99
9.98
SOFT-START CHARGING CURRENT
vs. TEMPERATURE
1000
100
SWITCHING FREQUENCY
vs. R RT VALUE
252
251
250
249
248
247
246
245
SWITCHING FREQUENCY
vs. TEMPERATURE
9.97
-40
-15
10
35
60
85
10
10
100
244
-40
-15
10
35
60
85
14
12
10
8
6
4
2
TEMPERATURE (°C)
FREQUENCY DITHERING
vs. R DITHER
84.0
83.8
83.6
83.4
83.2
83.0
82.8
82.6
82.4
82.2
R RT VALUE (k ? )
MAXIMUM DUTY CYCLE
vs. SWITCHING FREQUENCY
83.0
82.9
82.8
82.7
82.6
82.5
82.4
82.3
82.2
82.1
TEMPERATURE (°C)
MAXIMUM DUTY CYCLE
vs. TEMPERATURE
0
300
400
500
600
700
800
900
1000
82.0
0
100 200 300 400 500 600 700 800
82.0
-40
-15
10
35
60
85
R DITHER (k ? )
MAXIMUM DUTY CYCLE
vs. SYNC FREQUENCY
SWITCHING FREQUENCY (kHz)
TEMPERATURE (°C)
MAXIMUM DUTY CYCLE
vs. V SS
45
40
35
30
25
20
15
10
5
V SS = 0.5V
100
90
80
70
60
50
40
30
20
10
0
250
300
350
400
450
500
0
0
0.5
1.0
1.5
2.0
2.5
6
SYNC FREQUENCY (kHz)
V SS (V)
相关PDF资料
PDF描述
H2BBG-10103-Y4-ND JUMPER-H1501TR/A2015Y/H1501TR 3"
VI-24H-EW-F2 CONVERTER MOD DC/DC 52V 100W
VI-24F-EY-B1 CONVERTER MOD DC/DC 72V 50W
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