mic4782 Micrel Semiconductor, mic4782 Datasheet - Page 16
mic4782
Manufacturer Part Number
mic4782
Description
1.8 Mhz Dual 2a Integrated Switch Buck Regulator
Manufacturer
Micrel Semiconductor
Datasheet
1.MIC4782.pdf
(23 pages)
- Current page: 16 of 23
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Micrel, Inc.
The graph above shows the effects on the gain and
phase of the system caused by feedback resistors and a
feedforward capacitor. The maximum amount of phase
boost achievable with a feedforward capacitor is
graphed below.
August 2009
-10
-15
-20
-5
0
100
Gain and Phase
1000
vs. Frequency
FREQUENCY (Hz)
10000
100000
1000000
35
30
25
20
15
10
5
0
16
By looking at the graph, phase margin can be affected to
a greater degree with higher output voltages.
60
50
40
30
20
10
0
0
Obtainable Using Cff vs. Output
Max. Amount of Phase Boost
1
OUTPUT VOLTAGE (V)
Voltage
2
3
4
M9999-081709-D
5
MIC4782
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