rt9245c Richtek Technology Corporation, rt9245c Datasheet - Page 19

• Manufacturer Part Number: rt9245c
• Description: Multi-phase Controller Core Power Supply
• Manufacturer: Richtek Technology Corporation

Error Amplifier Characteristic
For fast response of converter to meet stringent output
current transient response, RT9245C provides large slew
rate capability and high gain-bandwidth performance.
DS9245C-02 March 2007
Figure 24. EA Rising Transient with 10pF Loading; Slew
V
COMP
V
FB
PGOOD
CH1:(500mV/Div)
CH2:(2V/Div)
V
V
OUT
(SS)
Figure 23. Waveform for OV
EA
Rate = 8V/us
OV
Time (250ns/Div)
Falling Slew Rate
V
Figure 26. Gain-Bandwidth Measurement by signal A
Figure 25. EA Falling Transient with 10pF Loading;
COMP
V
FB
B
Slew Rate = 8V/us
divided by signal B
4.7k
EA
Time (250ns/Div)
Rising Slew Rate
V
-
+
4.7k
EA
DAC
RT9245C
CH1:(500mV/Div)
CH2:(2V/Div)
A
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