参数资料
型号: MAX5975BETE+T
厂商: Maxim Integrated Products
文件页数: 8/20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.)
ENABLE RESPONSE
MAX5975A/B toc26
V EN
2V/V
V NDRV
10V/div
SHUTDOWN RESPONSE
MAX5975A/B toc27
V EN
2V/V
SHUTDOWN RESPONSE
MAX5975A/B toc28
V EN
2V/ V
V NDRV
10V/div
8
10ms/div
V SS RAMP RESPONSE
MAX5975A/B toc29
10μs/div
NDRV 90% TO 10% FALL TIME
MAX5975A/B toc32
0ns
1 3.8n    s
10ns/div
V SS
5V/div
V SS
2V/div
V NDRV
10V/div
V NDRV
2V/div
10μs/div
V DCLMP RAMP RESPONSE
MAX5975A/B toc30
10μs/div
PEAK NDRV CURRENT
MAX5975A/B toc33
PEAK SOURCE CURRENT
PEAK SINK CURRENT
200ns/div
V NDRV
10V/div
V DCLMP
2V/div
V NDRV
10V/div
I NDRV
0.5A/div
1ms/div
NDRV 10% TO 90% RISE TIME
MAX5975A/B toc31
2 7.6n    s
0ns
10ns/div
SHORT-CIRCUIT BEHAVIOR
MAX5975A/B toc34
40ms/div
V SS
5V/div
V NDRV
2V/div
V IN
V NDRV
I LX
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