HA17384 Hitachi Semiconductor, HA17384 Datasheet - Page 22

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HA17384

Manufacturer Part Number
HA17384
Description
High Speed Current Mode PWM Control IC for Switching Power Supply
Manufacturer
Hitachi Semiconductor
Datasheet

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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

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