HA16114P Datasheet, PDF (25/38 Pages) Hitachi Semiconductor – Switching Regulator for Chopper Type DC/DC Converter

HA16114P/PJ/FP/FPJ, HA16120FP/FPJ
Oscillator Frequency Change
with Ambient Temperature (1)
10
V_IN = 12 V
f_OSC = 100 kHz
5
SPEC
Oscillator Frequency Change
with Ambient Temperature (2)
10
V_IN = 12 V
f_OSC = 350 kHz
5
0
0
−5
−5
−10
−20
0
20 40 60
80
Ambient temperature (°C)
−10
−20
0
20 40
60 80
Ambient temperature (°C)
Error Amplifier Gain, Error Amplifier Phase vs. Error Amplifier Input Frequency
60
40
20
0
1k
A_VO
0
φ
45
90
135
BW
180
3k
10 k
30 k
100 k
300 k
1M
3M
10 M
Error amplifier input frequency f_IN (Hz)
25