HA16107P Datasheet, PDF (30/40 Pages) Hitachi Semiconductor – PWM Switching Regulator for High-performance Voltage Mode Control

HA16107P/FP, HA16108P/FP
Error Amplifier Characteristic
60
40
0
45
φ
A_VO
20
90
135
0
180
10 k 30 k 100 k 300 k 1 M 3 M 10 M 30 M 100 M
Input signal frequency f_IN (Hz)
Examples of Drooping Characteristics of Power Supplies Using these Ics
5.0
ON
Normal operation
Latch state here
2.5
A
B
OFF
0
1
2
3
I_OUT (DC) (A)
HA16107 (Latch shut-down)
Pulse by pulse
Current limiter operation
A Heavy load
B Light load
4
5.0
ON
OFF
Pulse by pulse
Current limiter operation
2.5
A
B
A Heavy load
B Light load
0
1
2
3
4
I_OUT (DC) (A)
HA16108 (Intermittent operation by means of ON/OFF timer)
Rev.4.00 Jun 15, 2005 page 30 of 39