HA16116FP/FPJ, HA16121FP/FPJ
• Error Amplifier Block
Open Loop Gain Characteristics
60
AVO
40
0
φ
45
20
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
135
BW
180
3 M 10 M
0
−100
−200
Vref
−+EA
VO
VI − +
−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
On Duty Characteristics
100
Boost PWM output
(HA16121-2 ch)
80
60
40
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.
Rev.2.0, Sep.18.2003, page 27 of 33