HA16114P Datasheet, PDF (28/38 Pages) Hitachi Semiconductor – Switching Regulator for Chopper Type DC/DC Converter

HA16114P/PJ/FP/FPJ, HA16120FP/FPJ
Operating Current vs. Output Duty Cycle
20
Ta = 25°C
V _IN = 12 V
f _OSC = 100 kHz
15 _{CL= 1000 pF}
SPEC
10
5
0
0
20 40 60 80 100
Output duty cycle (%)
PWM Comparator Input vs. Output Duty Cycle (1)
100
• HA16114
80
PWM Comparator Input vs. Output Duty Cycle (2)
100
• HA16120
80
60
40
f_OSC
600 kHz
20
300 kHz
50 kHz
0
0.6 0.8 1.0 1.2 1.4 1.6 1.8
V_DB or V_E/O (V)
Note: The on-duty of the HA16114 is the proportion
of one cycle during which output is low.
60
f_OSC
600 kHz
40
300 kHz
20
50 kHz
0
0.6 0.8 1.0 1.2 1.4 1.6 1.8
V_DB or V_E/O (V)
Note: The on-duty of the HA16120 is the proportion
of one cycle during which output is high.
28