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RT9245PC bảng dữ liệu(PDF) 16 Page - Richtek Technology Corporation

tên linh kiện RT9245PC
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nhà sản xuất  RICHTEK [Richtek Technology Corporation]
Trang chủ  http://www.richtek.com
Logo RICHTEK - Richtek Technology Corporation

RT9245PC bảng dữ liệu(HTML) 16 Page - Richtek Technology Corporation

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RT9245
16
DS9245-06
March 2007
www.richtek.com
Figure 23. Gain-Bandwidth Measurement by signal A
divided by signal B
Figure 24. EA Frequency Response with closed loop gain set at 0db to observe gain-bandwidth product; -3dB at
10.86MHz
+
-
EA
4.7k
B
A
VREF
4.7k
Error Amplifier Characteristic
For fast response of converter to meet stringent output
current transient response, RT9245 provides large slew
rate capability and high gain-bandwidth performance.
0dB
Figure 21. EA Rising Transient with 10pF Loading; Slew
Rate=10V/us
Figure 22. EA Falling Transient with 10pF Loading;
Slew Rate=8V/us
180
°
CH1:(500mV/Div)
CH2:(2V/Div)
EA Falling Slew Rate
Time (250ns/Div)
VCOMP
VFB
CH1:(500mV/Div)
CH2:(2V/Div)
EA Rising Slew Rate
Time (250ns/Div)
VCOMP
VFB



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