参数资料
型号: 4TPB220ML
厂商: National Semiconductor Corporation
英文描述: N-Channel FET Synchronous Buck Regulator Controller for Low Output Voltages
中文描述: N沟道场效应管同步降压稳压控制器输出电压低
文件页数: 19/22页
文件大小: 602K
代理商: 4TPB220ML
Typical Performance Characteristics (Continued)
R
FADJ vs PWM Frequency
(in 100 to 800kHz range), T
A = 25C
R
FADJ vs PWM Frequency
(in 900 to 2000kHz range), T
A = 25C
20049418
20049419
V
CC Operating Current Plus Boot Current vs
PWM Frequency (Si4826DY FET, T
A = 25C)
Switch Waveforms (HG Falling)
V
IN = 5V, VO = 1.8V
I
O = 3A, CSS = 10nF
F
SW = 600kHz
20049420
20049423
Switch Waveforms (HG Rising)
V
IN = 5V, VO = 1.8V
I
O = 3A, FSW = 600kHz
Start-Up (No-Load)
V
IN = 10V, VO = 1.2V
C
SS = 10nF, FSW = 300kHz
20049424
20049421
LM2727/LM2737
www.national.com
6
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