SRP Hitachi Semiconductor, SRP Datasheet - Page 22

• Manufacturer Part Number: SRP
• Description: High Speed Current Mode PWM Control IC for Switching Power Supply
• Manufacturer: Hitachi Semiconductor

HA17384SPS/SRP, HA17384HPS/HRP, HA17385HPS/HRP
22
100
75
50
25
25
0
Figure 10 Open Loop Gain Characterisrics of Error Amplifier
10
V
IN
= 15V, Ta = 25 C
100
Error Amplifier Input Signal Frequency f (Hz)
1k
Gain A
Phase
Phase margin
at f
VO
10k
T
100k
Unit gain frequency
f
T
O
= 1MHz Typ
= 60 Typ
1M
10M
0
60
120
180