HA16121 データシートの表示（PDF） - Hitachi -> Renesas Electronics
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HA16121 Datasheet PDF : 34 Pages
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• Error Amplifier Block
60
40
20
HA16116FP/FPJ, HA16121FP/FPJ
Open Loop Gain Characteristics
AVO
0
φ
45
90
0
1k
3k
10 k 30 k 100 k 300 k 1 M
Error amplifier input frequency fIN (Hz)
Common Mode Input Characteristics
+100
BW
3M
135
180
10 M
0
−100
−200
−+EA
VO
VI − +
Vref
−300
0
1
2
3
4
Input voltage VI (V)
• On Duty Characteristics
On Duty Characteristics
100
Step-down
80 PWM output
(HA16116-1, 2ch
HA16121-1ch)
60
600 kHz
40
On Duty Characteristics
100
Boost PWM output
(HA16121-2 ch)
80
60
40
20
20
0
0.8 1.0 1.2 1.4 1.6 1.8
VDB or VE/O (V)
Notes: 1. The percentage of a single timing cycle
during which the output is low.
0
0.8 1.0 1.2 1.4 1.6 1.8
VDB or VE/O (V)
2. The percentage of a single timing cycle
during which the output is high.
27
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